query stringlengths 17 395 | pos list | neg list | task stringclasses 1
value | instruction dict |
|---|---|---|---|---|
Are weight bearing radiographs necessary for measurement of polyethylene penetration in total hip prostheses : a radiostereometric study of 111 patients examined in weight-bearing and supine position? | [
"Controversy exists as to whether polyethylene (PE) penetration of hip prostheses is underestimated when the measurements are made on radiographs obtained in supine position as compared to weight-bearing position. We examined 111 patients by radiostereometric analysis (RSA) in the supine and weight-bearing position... | [
"Bisphosphonates may improve implant fixation by inhibition of bone resorption and stimulation of osteoblasts by up regulation of BMP-2. However, there are few clinical studies in this area. Does treatment with oral bisphosphonates improve implant fixation and bone remodelling around the acetabular component after ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Is the homeostasis model assessment-insulin resistance index inversely associated with serum carotenoids in non-diabetic subjects? | [
"Carotenoids may reduce the risk for diabetes mellitus, but little is known about the association of insulin resistance with serum carotenoids in non-diabetic subjects. This study aimed to investigate whether the homeostasis model assessment-insulin resistance (HOMA-IR) index would be lower in the presence of high ... | [
"What is already known about this subject • Asians with metabolic complications associated with obesity, a low body mass index and a low waist circumference have a greater proportion of visceral adipose tissue for a given amount of total body fat compared with Europeans. • Apparent obese humans and obese animal m... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is a G1103R mutation in CRB1 co-inherited with high hyperopia and Leber congenital amaurosis? | [
"To identify the genetic basis of recessive inheritance of high hyperopia and Leber congenital amaurosis (LCA) in a family of Middle Eastern origin. The patients were examined using standard ophthalmic techniques. DNA samples were obtained and genetic linkage was carried out using polymorphic markers flanking the k... | [
"Microphthalmia is a condition in which eyes are small in size, often associated with coloboma, as a result of aberrant eye development. Isolated microphthalmia is a model disease for studying early development of the human eye, and mutations in several key genes related to eye development have been linked to this ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Are commensal isolates of methicillin-resistant Staphylococcus epidermidis also well equipped to produce biofilm on polystyrene surfaces? | [
"To study biofilm production and to detect icaAD, atlE and aap genes in 137 isolates of methicillin-resistant Staphylococcus epidermidis (MRSE) obtained from healthy individuals from the community (35 isolates), from hospitalized patients at the Antônio Pedro University Hospital (25 isolates) and from individuals f... | [
"To test the antimicrobial and antibiofilm properties of a nitric oxide (NO)-releasing polymer against wound-relevant bacterial pathogens. Using a variety of 96-well plate assay systems that include standard well plates and the minimum biofilm eradication concentration biofilm assay well plate, a NO-releasing polym... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does freezing infective-stage larvae from Anisakis simplex and their produce at -20 degrees C for 24 h prevent the occurrence of autonomic imbalance in rat ileum? | [
"In the present report, we analyze the efficacy of the sanitary regulations to kill the Anisakis simplex larvae (As L3) (heat or freeze) to avoid the gastrointestinal alterations that it provokes. We studied the effects on intestinal contractility (muscular tone, amplitude, and frequency of the twitches and choline... | [
"Nearly 700 million people remain infected with hookworms. Although allergy is intuitively linked to immunity against helminths, few positive examples have been characterized. Larval migration through the lungs has been considered the likely interface at which hookworm attrition occurs. As part of a study evaluatin... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does tumor transcriptome reveal the predictive and prognostic impact of lysosomal protease inhibitors in non-small-cell lung cancer? | [
"Insight into clinical response to platinum-based chemotherapy (PBC) in non-small-cell lung cancer (NSCLC). Matched tumor and nontumor lung tissues from PBC-treated NSCLC patients (four nonresponders and four responders) and tumor tissue from an independent test set (four nonresponders and four responders), were pr... | [
"KLF4 is a transcription factor with divergent functions in different malignancies. We analyzed KLF4 expression and DNA methylation, and their clinical relevance and biological function in urothelial cancer. Immunohistochemistry and Sequenom™ MassARRAY® were done to detect the expression and promoter methylation of... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does expression profile-defined classification of lung adenocarcinoma show close relationship with underlying major genetic changes and clinicopathologic behaviors? | [
"This study was conducted to gain insight into the relationship between expression profiles and underlying genetic changes, which are known to be important for the pathogenesis of lung cancers. Expression profiles of 18,175 unique genes and three major targets for genetic changes, p53, epidermal growth factor recep... | [
"Lymphovascular space invasion plays a critical role in the progression of cervical cancer and is an indicator of an unfavorable prognosis, even in patients with early-stage disease. Identification and functional characterization of molecules that are predominantly expressed in tumors able to penetrate lymphatic ve... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does roux-en-Y gastric bypass improve the nonalcoholic steatohepatitis ( NASH ) of morbid obesity? | [
"Hepatic steatosis and nonalcoholic steatohepatitis (NASH) have been increasingly implicated in the genesis of hepatic fibrosis and cirrhosis. However, no consensus exists about whether weight reduction may reverse this process. To assess the effect of Roux-en-Y gastric bypass (RYGBP) on the histological evolution ... | [
"The prevalence of metabolic syndrome and its possible impact on the severity of liver histological lesions have not been studied prospectively in chronic liver diseases. To investigate the prevalence of metabolic syndrome in patients with chronic viral hepatitis or non-alcoholic steatohepatitis, and to determine i... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Do cLLU1 expression levels predict time to initiation of therapy and overall survival in chronic lymphocytic leukemia? | [
"Chronic lymphocytic leukemia (CLL) is an incurable disease with a highly variable clinical course. IgV(H) mutational status, chromosomal aberrations, CD38 expression and ZAP-70 expression are prognostic markers in CLL, however, they are not exclusively confined to this disease. We recently identified a novel CLL-s... | [
"RECQ helicase family members act as guardians of the genome to assure proper DNA metabolism in response to genotoxic stress. Hematological malignancies are characterized by genomic instability that is possibly related to underlying defects in DNA repair of genomic stability maintenance. We have investigated the ex... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Is postprandial gastrointestinal hormone production different , depending on the type of reconstruction following total gastrectomy? | [
"The present study examines the differences in gastrointestinal hormone production at 3 different reconstruction types after total gastrectomy. Total gastrectomy causes significant weight loss, mainly due to a reduced caloric intake probably because of a lack of initiative to eat or early satiety during meals. Behi... | [
"The change in the route of food passage after pancreaticoduodenectomy (PD) is quite similar to the change after gastric bypass surgery; both procedures bypass the duodenum and directly connect to the distal jejunum. Moreover, both procedures result in resolution of type 2 diabetes mellitus. Therefore, more distal ... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is down-regulated nucleoside diphosphate kinase nm23-H1 expression unrelated to high-risk human papillomavirus but associated with progression of cervical intraepithelial neoplasia and unfavourable prognosis in cervical cancer? | [
"One of the factors leading to an invasive phenotype is the nm23 family of metastases-associated genes. Of the six known members, nm23-H1 is the most frequently studied potential anti-metastatic gene in cervical cancer. However, the possible molecular links to oncogenic human papillomavirus (HPV) are completely une... | [
"It is supposed that increased glycolysis is crucial for the energy supply during tumor progression. Unfortunately, the relevance of glycolysis in cervical neoplasia is unknown, but what is certain is the fact that cervical cancer shows a high expression of glucose membrane transporters, which are necessary for glu... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does treatment of obstructive sleep apnoea lead to improved microvascular endothelial function in the systemic circulation? | [
"Obstructive sleep apnoea (OSA) is a common and potentially reversible cause of systemic hypertension. The mechanisms whereby OSA leads to hypertension and the effects of treatment on arterial function, however, are not well established. Microvascular arterial endothelial and smooth muscle function was assessed in ... | [
"In cirrhotic patients with renal failure, renal blood flow autoregulation curve is shifted to the right, which is consequent upon sympathetic nervous system activation and endothelial dysfunction. Albumin infusion improves renal function in cirrhosis by mechanisms that are incompletely understood. We aimed to dete... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does patient-controlled epidural analgesia in labor always improve maternal satisfaction? | [
"We investigated whether patient-controlled epidural analgesia in labor with bupivacaine and fentanyl provides more satisfaction to mothers than intermittent bolus epidural analgesia or patient-controlled epidural analgesia with plain bupivacaine. Ninety mothers with term, uncomplicated pregnancies were randomized ... | [
"Total knee replacement (TKR) produces severe postoperative pain. Peripheral nerve blocks can be used as analgesic adjuncts for TKR, but the efficacy of femoral nerve blocks alone is controversial. The sciatic nerve innervates posterior regions of the knee; thus, performance of both sciatic and femoral nerve blocks... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Are vKORC1 haplotypes associated with arterial vascular diseases ( stroke , coronary heart disease , and aortic dissection )? | [
"The haplotypes in the gene vitamin K epoxide reductase complex subunit 1 (VKORC1) have been found to affect warfarin dose response through effects on the formation of reduced-form vitamin K, a cofactor for gamma-carboxylation of vitamin K-dependent proteins, which is involved in the coagulation cascade and has a p... | [
"Albuminuria has been reported to be a marker of cardiovascular risk factors and disease morbidity and mortality, but its relationship with intracerebral atherosclerotic disease is less clear. The aim of this study was to investigate the association between albuminuria and intracranial and extracranial vascular inv... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does prevalence and correlate of post-prandial hyperglycaemia in a large sample of patients with type 2 diabetes mellitus? | [
"Post-prandial glucose may be a risk factor for cardiovascular disease and chronic diabetic complications. We tested the hypothesis that post-prandial hyperglycaemia is common in type 2 diabetes, even among patients in apparently good glycaemic control, and that simple clinical characteristics identify subsets of d... | [
"Idiopathic neuropathy patients are at high risk of impaired glucose tolerance (IGT). Hyperglycemia, low high density lipoprotein (HDL), elevated triglycerides (TRG), hypertension and central obesity co-associate and constitute the metabolic syndrome. Patients with hyperglycemia are at high risk of having the syndr... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Is adiponectin in umbilical cord blood inversely related to low-density lipoprotein cholesterol but not ethnicity? | [
"Adiponectin is a recognized protective risk marker for cardiovascular disease in adults and is associated with an optimal lipid profile. The role of adiponectin at birth is not well understood, and its relationship with the neonatal lipid profile is unknown. Because ethnic disparities in cardiovascular risk have b... | [
"Obesity is associated with a state of chronic low-grade inflammation. Myeloperoxidase (MPO) plays an important role in the initiation and progression of acute and chronic inflammatory diseases, such as cardiovascular disease (CVD). The objectives of the current study were to evaluate plasma MPO levels in prepubert... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Do [ Analysis of recurrence and prognosis after surgical resection for I stage lower rectal carcinoma ]? | [
"To investigate the clinicopathologic factors related with recurrence and prognosis after surgical resection for I stage lower rectal carcinoma. The related clinicopathologic factors for recurrence and prognosis of 166 patients with I stage lower rectal carcinoma after surgical resection were retrospectively analyz... | [
"One of the sites most frequently invaded by gastric cancer is the mesocolon; however, the UICC does not mention this anatomical site as an adjacent structure involved in gastric cancer. The purpose of this study was to characterize and classify mesocolon invasion from gastric cancer. We examined 806 patients who u... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Is the programmable adult Codman Hakim valve useful even in very small children with hydrocephalus . A 7-year retrospective study with special focus on cost/benefit analysis? | [
"Ventriculo-peritoneal shunting is the most commonly used method for the treatment of paediatric hydrocephalus. The programmable valve with the ability to adjust the opening pressure non-invasively has made it easier to find exactly the right opening pressure for each child and reduce the risk of over- or under-dra... | [
"Treatment of hydrocephalus is accomplished primarily through a ventricular-peritoneal shunt (VPS). This study aims to describe the application of retrograde ventricle-sinus shunt (RVSS) in patients with hydrocephalus after surgical treatment of myelomeningocele. A prospective, randomized and controlled pilot study... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does antisense inhibition of Entamoeba histolytica cysteine proteases inhibit colonic mucus degradation? | [
"The exact role Entamoeba histolytica cysteine proteases play in overcoming the colonic mucus barrier, as a prerequisite to epithelial cell disruption, is not known. Herein, we determined whether E histolytica trophozoites expressing the antisense transcript to cysteine protease 5 (EhCP5) could degrade colonic muci... | [
"Mixed intestinal infections with Entamoeba histolytica, Entamoeba dispar and bacteria with exacerbated manifestations of disease are common in regions where amoebiasis is endemic. However, amoeba-bacteria interactions remain largely unexamined. Trophozoites of E. histolytica and E. dispar were co-cultured with ent... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does electroporative interleukin-10 gene transfer ameliorate carbon tetrachloride-induced murine liver fibrosis by MMP and TIMP modulation? | [
"Liver fibrosis represents a process of healing and scarring in response to chronic liver injury. Effective therapies for liver fibrosis are lacking. Interleukin-10 (IL-10) is a cytokine that downregulates pro-inflammatory responses and has a modulatory effect on hepatic fibrogenesis. The aim of this study was to i... | [
"Liver fibrosis is a common scarring response to chronic liver injury. It is a precursor to cirrhosis and liver carcinoma. Hepatic stimulator substance (HSS), a known liver-specific but species-nonspecific growth factor, has been shown to protect hepatocytes from various toxins. We have investigated the effects of ... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does simvastatin inhibit leptin-induced hypertrophy in cultured neonatal rat cardiomyocytes? | [
"To test the hypothesis that statins inhibit leptin-induced hypertrophy in cultured neonatal rat cardiomyocytes. Cultured neonatal rat cardiomyocytes were used to evaluate the effects of simvastatin on leptin-induced hypertrophy. Intracellular reactive oxygen species (ROS) levels were determined by using 2',7'-dich... | [
"Does the phytochemical compound resveratrol inhibit vascularization of endometriotic lesions?"
] | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is estrogen receptor beta polymorphism associated with prostate cancer risk? | [
"After cloning of the second estrogen receptor, estrogen receptor beta (ERbeta) in 1996, increasing evidence of its importance in prostate cancer development has been obtained. ERbeta is thought to exert an antiproliferative and proapoptotic effect. We examined whether sequence variants in the ERbeta gene are assoc... | [
"Is protein expression of the muscle segment homeobox gene family member MSX1 altered in the human secretory endometrium by cell type, developmental stage or fertility?"
] | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does simvastatin influence the intestinal P-glycoprotein and MPR2 , and the disposition of talinolol after chronic medication in healthy subjects genotyped for the ABCB1 , ABCC2 and SLCO1B1 polymorphisms? | [
"To evaluate whether simvastatin influences (i) the intestinal expression of P-glycoprotein (P-gp) and MRP2, and (ii) the disposition of the beta(1)-selective blocker talinolol, a substrate of these transporter proteins. The disposition of talinolol after intravenous (30 mg) and single or repeated oral administrati... | [
"This study aimed to determine the influence of gene candidates on mycophenolic acid (MPA) response during the first year of renal transplantation. A total of 218 renal transplant recipients who received MPA from the first day of transplantation at a fixed dose of 2 g/day were genotyped for ABCB1, ABCC2, UGT2B7, UG... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does topoisomerase II-alpha expression increase with increasing Gleason score and with hormone insensitivity in prostate carcinoma? | [
"To investigate and compare topoisomerase II-alpha expression in benign prostatic hyperplasia (BPH), prostate cancer of varying Gleason scores and hormone-insensitive prostate cancer. The immunohistochemical expression of topoisomerase II-alpha antibody in the above-mentioned diagnostic categories was investigated ... | [
"Autophagy has recently been found to play important roles in tumorigenesis and leucine-rich pentatricopeptide repeat motif-containing protein (LRPPRC) has been identified as an inhibitor that suppresses autophagy and mitophagy and maintains mitochondrial activity. The authors hypothesized that LRPPRC levels can be... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does furosemide reverse multidrug resistance status in bladder cancer cells in vitro? | [
"Multidrug resistance (MDR) has a potentially serious influence on cancer treatment and should be taken into consideration in the design and application of therapeutic regimens. It is mediated through the activity of cellular pumps. To investigate whether furosemide, itself a pump-blocker, reverses MDR in an in vit... | [
"Do platelets play any role in the development of endometriosis?"
] | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Do mALT lymphoma associated genetic aberrations occur at different frequencies in primary and secondary intestinal MALT lymphomas? | [
"Limited data are available on intestinal MALT lymphoma owing to its relatively rare occurrence. The frequency of associated genetic changes was therefore analysed in intestinal MALT lymphoma to determine whether primary and secondary examples may be distinguished by their genetic profile. Patients diagnosed with M... | [
"In vitro studies have shown that the 30 and 69 base pair (bp) deletion variants of the latent membrane protein (LMP)-1 gene of the Epstein-Barr virus (EBV) have a higher transforming capacity than the wild-type variant. In recent years these studies have triggered an in vivo search for such potentially oncogenic v... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does sonographic recognition of three cases of septate uteri diminish failures of quinacrine sterilization? | [
"Using sonography, the bicornate and septate uterus as causes of failure of quinacrine sterilization (QS) are explored. Whether QS can be effectively performed on women with a bicornate or septate uterus is a question answered by a presentation of three such cases. Three cases presented were part of a prospective n... | [
"Clinical experience in the management of post-abortion hemorrhage is limited. Two women with severe post-abortion hemorrhage were reported. One case occurred after methotrexate treatment of Cesarean scar pregnancy and the other occurred after abortion surgery. Both patients were successfully treated with a double-... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Are leukemia inhibitory factor gene mutations in the population of infertile women restricted to nulligravid patients? | [
"Leukemia inhibitory factor (LIF) is one of the key cytokines in the embryo implantation regulation. We investigated the prevalence of the LIF gene mutations in the population of infertile women that consisted of nulligravid and secondary infertile patients. We designed a LIF gene mutation screening method that is ... | [
"The modulatory domain of the human androgen receptor gene contains a polymorphic CAG repeat coding for a polyglutamine tract. The length of the polyglutamine tract is inversely correlated with transcriptional activity of the androgen receptor. As androgens are crucial to spermatogenesis, decreased transcriptional ... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Are smaller cerebellar volumes in very preterm infants at term-equivalent age associated with the presence of supratentorial lesions? | [
"Traditionally cerebellar functions are thought to be related to control of tone, posture, gait, and coordination of skilled motor activity. However, there is an increasing body of evidence implicating the cerebellum in cognition, language, memory, and motor learning. Preterm infants are at increased risk of neurod... | [
"To examine whether neonatal seizures are associated with neurodevelopmental outcomes in infants with hypoxia-ischemia independent of the presence and severity of brain injury seen on magnetic resonance imaging (MRI). We used multivariate regression to examine the independent effect of clinical neonatal seizures an... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Is iL-4 induced MUC4 enhancement in respiratory epithelial cells in vitro mediated through JAK-3 selective signaling? | [
"Recent studies have identified MUC4 mucin as a ligand for activation of ErbB2, a receptor tyrosine kinase that modulates epithelial cell proliferation following epithelial damage in airways of asthmatics. In this study, we investigated the potential role of IL-4, one of the Th2 inflammatory cytokines persistent in... | [
"Growth Arrest Specific gene product 6 (gas6) is a gamma-carboxylated protein that protects endothelial cells against apoptosis. Gas6 has previously been shown to induce phospatidyl-3-inositol-kinase (PI3K)/Akt signaling. Other studies have demonstrated a link between PI3K/Akt signaling and forkhead transcription f... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does 3-phosphoinositide-dependent protein kinase-1 ( PDK1 ) promote invasion and activation of matrix metalloproteinases? | [
"Metastasis is a major cause of morbidity and mortality in breast cancer with tumor cell invasion playing a crucial role in the metastatic process. PDK1 is a key molecule that couples PI3K to cell proliferation and survival signals in response to growth factor receptor activation, and is oncogenic when expressed in... | [
"Growth Arrest Specific gene product 6 (gas6) is a gamma-carboxylated protein that protects endothelial cells against apoptosis. Gas6 has previously been shown to induce phospatidyl-3-inositol-kinase (PI3K)/Akt signaling. Other studies have demonstrated a link between PI3K/Akt signaling and forkhead transcription f... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does platelet function of newborns as tested by cone and plate ( let ) analyzer correlate with gestational Age? | [
"The issue of platelet function in infants and neonates is of interest, and current data are debatable. A new method for assessing platelet function involves using the cone and plate(let) analyzer (CPA), applicable for small (0.2 ml) whole blood volumes. We used polystyrene surface-coated plates to evaluate cord bl... | [
"Progressive functional impairment is known to occur in platelet concentrates through the storage period. Standardized methods providing direct measurement of residual platelet function in stored platelets are lacking. The purpose of this study was to determine whether a new platelet function analyzer (PFA-100 ) co... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does abeta42 gene vaccination reduce brain amyloid plaque burden in transgenic mice? | [
"To demonstrate that in APPswe/PS1DeltaE9 transgenic mice, gene gun mediated Abeta42 gene vaccination elicits a high titer of anti-Abeta42 antibodies causal of a significant reduction of Abeta42 deposition in brain. Gene gun immunization is conducted with transgenic mice using the Abeta42 gene in a bacterial plasmi... | [
"Recent studies have suggested that children undergoing surgery under anesthesia could be at an increased risk for the development of learning disabilities, but whether anesthetics contribute to this learning disability is unclear. Therefore, the authors set out to assess the effects of sevoflurane, the most common... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does simvastatin attenuate hypertrophic responses induced by cardiotrophin-1 via JAK-STAT pathway in cultured cardiomyocytes? | [
"Cardiotrophin-1 (CT-1) is a cytokine involved in the growth and survival of cardiac cells via activation of the Janus activated kinase/signal transducer activator of transcription (JAK/STAT). Statins, 3-Hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors, have effects that extend beyond cholesterol ... | [
"Sepsis is a systemic inflammatory response accompanied by excessive production of inflammatory cytokines and cardiovascular dysfunction. Importantly, macrophage-derived pro-inflammatory agents play a key role in cardiovascular impairment in sepsis. Here we have investigated the effects of trimetazidine (TMZ) on pr... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Do stromal cells modulate ephrinB2 expression and transmigration of hematopoietic cells? | [
"Ephrin ligands and Eph receptors play important roles for cell behavior and movement by transducing bidirectional signaling into interacting cells. Since we found that the expression of ephrinB2 in the hematopoietic progenitor cell line was changed by coculture with stromal cells, we tried to examine the function ... | [
"The hedgehog (Hh) pathway has been implicated in the pathogenesis of cancer including pancreatic ductal adenocarcinoma (PDAC). Recent studies have suggested that the oncogenic function of Hh in PDAC involves signaling in the stromal cells rather than cell autonomous effects on the tumor cells. However, the origin ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Is the orthology of HLA-E and H2-Qa1 hidden by their concerted evolution with other MHC class I molecules? | [
"Whether MHC molecules undergo concerted evolution or not has been the subject of a long-standing debate. By comparing sequences of eight functional homologues of HLA-E from primates and rodents with those of MHC class Ia molecules from the same eight species, we find that different portions of MHC class I molecule... | [
"Cytotoxic T lymphocytes (CTLs) contribute to the rejection of transplanted tissues through two pathways: first, by direct recognition of foreign graft major histocompatibility complex (MHC) class I molecules; and second, by recognition of foreign graft-derived peptides presented by classical MHC class Ia molecules... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Do admission serum lactate levels predict mortality in the acutely injured patient? | [
"The conventional view that admission lactate levels predict outcome in trauma patients stems from simple comparisons of mean blood levels between groups and small sample sizes. To better address this question, we performed more rigorous statistical analyses of lactate in a larger patient sample. We prospectively c... | [
"Obesity is an independent risk factor for a variety of diseases, including postinjury morbidity and mortality. Obesity is associated with a proinflammatory state that could affect the postinjury inflammatory response and increase risk of organ dysfunction. The purpose of this study was to determine the relationshi... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Is heme oxygenase ( HO ) -1 upregulated in the nasal mucosa with allergic rhinitis? | [
"Heme oxygenase (HO) is considered to be an antioxidant enzyme that catabolizes heme to produce carbon monoxide (CO) and biliverdin. Three isoforms of HO have been discovered. Recently, HO-1 has been found to be upregulated after allergic inflammations of the lower airway. The objective of this study was to address... | [
"The key features of aspirin-exacerbated respiratory diseases (AERDs) include chronic, severe asthma and a high prevalence (60-80%) of chronic rhinosinusitis with nasal polyps, all of which are exacerbated by exposure to aspirin and other NSAIDs. Although the pathogenic mechanisms of AERD are not completely underst... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does hyperbaric oxygen suppress NADPH oxidase in a rat subarachnoid hemorrhage model? | [
"One of the major contributors to brain injury after subarachnoid hemorrhage (SAH) is oxidative stress, and 1 of the major enzymatic sources of superoxide anion production in the brain is NADPH oxidase. Therefore, we studied whether hyperbaric oxygen (HBO) suppresses neuronal NADPH oxidase in a rat model of SAH. Ei... | [
"The blood-brain barrier (BBB) is a selectively permeable cerebrovascular endothelial barrier that maintains homeostasis between the periphery and the central nervous system. BBB disruption is a consequence of ischemic stroke and BBB permeability can be altered by infection/inflammation, but the complex cellular an... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
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Is antibiotic treatment effective in patients infected with Helicobacter pylori suffering from extragastric MALT lymphoma? | [
"Apart from anecdotal reports implicating Helicobacter pylori (HP) in the development of extragastric mucosa associated lymphoid tissue (MALT) lymphoma, no large scale prospective studies have been performed on this topic. A total of 77 patients with extragastric MALT lymphoma were prospectively studied. The presen... | [
"Gastric metaplasia in duodenum is a common phenomena in duodenal ulcer patients. However, the role of gastric metaplasia in patients with non-ulcer dyspepsia is not clear. It is not known either whether Helicobacter pylori infected non-ulcer patients who are CagA-seropositive have gastric metaplasia in duodenum mo... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
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Does sterility testing of platelet concentrate prepared from deliberately infected blood donations? | [
"In general the bacterial count in freshly donated blood is low and even lower in the corresponding platelet concentrates (PCs). By use of flow cytometry (FACS) for sterility testing, the reliability of early versus later sampling times was evaluated. Blood donations were spiked with various numbers of Staphylococc... | [
"Polymorphonuclear leukocytes contain a large number of enzymes and bactericidal proteins stored in granules. Neutrophil activation induces degranulation and immediate release of these bioactive substances, including human neutrophil elastase (HNE) also known as elastase-2 (ELA2), which may contaminate whole blood ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
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Is hypoxia-induced resistance to cisplatin and doxorubicin in non-small cell lung cancer inhibited by silencing of HIF-1alpha gene? | [
"Hypoxia is associated with human non-small cell lung cancers (NSCLC), which are highly resistant to chemotherapy. The hypoxia inducible factor (HIF) as a transcription factor in response to hypoxia indicates that it could be a novel, tumor-specific target for anticancer therapy. We hypothesized that disruption of ... | [
"AIMS, MATERIALS & METHODS: As heat-shock proteins are associated with tumor proliferation, differentiation, invasion and metastasis, we investigated whether targeting Hsp90 with the geldanamycin derivative 17-allylamino-17-demethoxygeldanamycin (17AAG) can inhibit the viability of hepatocellular carcinoma cell lin... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
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Are alpha-2-macroglobulin and albumin useful serum proteins to detect subclinical peritonitis in the rat? | [
"In experimental peritoneal dialysis (PD) studies, the occurrence of peritonitis is a confounder in the interpretation of effects of chronic peritoneal exposure to dialysis solutions. Since fluid cannot be drained in most experimental PD models in the rat, it is impossible to diagnose peritonitis based on dialysate... | [
"Cirrhotic patients with spontaneous bacterial peritonitis show a marked activation of the cytokine cascade, and cytokines induce the synthesis of nitric oxide in vitro. Our aim was to assess whether patients with ascitic fluid infection show increased levels of nitric oxide, and whether this is related to the deve... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
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Does improvement of contractility accompany angiogenesis rather than arteriogenesis in chronic myocardial ischemia? | [
"Growth factor therapy provides a therapeutic alternative for \"no option\" patients with coronary disease. Fibroblast Growth Factor-2 (FGF-2) predominantly stimulates angiogenesis, the growth of new capillaries, whereas Monocyte Chemoattractant Protein-1 (MCP-1) is considered an arteriogenic agent. We hypothesised... | [
"Salusins are multifunctional endogenous bioactive peptides simultaneously biosynthesized from their precursor prosalusin. Salusin-β stimulates proliferation of vascular smooth muscle cells and fibroblasts and regulates myocardial growth and hypertrophy. Salusin-β has potent hypotensive, bradycardic and proatherosc... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
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} |
Does fDG-PET status following chemoradiotherapy provide high management impact and powerful prognostic stratification in oesophageal cancer? | [
"The purpose of this study was to evaluate the impact of FDG-PET following chemoradiotherapy (CRT) on treatment planning and survival in patients with oesophageal cancer (OC). Fifty-three consecutive OC patients had a post-treatment PET scan to evaluate tumour response to CRT prior to possible surgery. Baseline pre... | [
"The timing of surgery and postoperative radiotherapy--especially if combined with chemotherapy--has been a subject of interest over the past years. This analysis was based on a literature review of mostly retrospective publications. Data concerning the interval between surgery and radiotherapy were correlated with... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
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} |
Does fMRI show atypical language lateralization in pediatric epilepsy patients? | [
"The goal of this study was to compare language lateralization between pediatric epilepsy patients and healthy children. Two groups of subjects were evaluated with functional magnetic resonance imaging (fMRI) by using a silent verb-generation task. The first group included 18 pediatric epilepsy patients, whereas th... | [
"Although there is some evidence that methamphetamine (MA) abuse may play a causative role in the development of schizophrenia, studies directly linking these 2 are rare. In our study, the effect of MA abuse on the development of schizophrenia was investigated in 15 MA abusers who are offspring of patients with sch... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
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Does peroxisome proliferator activated receptor gamma in colonic epithelial cells protect against experimental inflammatory bowel disease? | [
"Peroxisome proliferator activated receptor gamma (PPARgamma) is expressed in epithelial cells, macrophage, and T and B lymphocytes. Ligand induced activation of PPARgamma was reported to attenuate colitis activity but it is not clear whether this protection is mediated by epithelial or leucocyte PPARgamma. Mice wi... | [
"ClC-3 channel/antiporter plays a critical role in a variety of cellular activities. ClC-3 has been detected in the ileum and colon. To determine the functions of ClC-3 in the gastrointestinal tract. After administration of dextran sulfate sodium (DSS) or 2,4,6-trinitrobenzenesulfonic acid (TNBS), intestines from C... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
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Is ketamine , but not propofol , anaesthesia regulated by metabotropic glutamate 5 receptors? | [
"Group I metabotropic glutamate receptors (mGluRs) have been reported to regulate N-methyl-d-aspartate (NMDA) receptor function in various brain regions. The selective mGluR5 antagonist 2-methyl-6-(phenylethynyl)-pyridine (MPEP) can potentiate NMDA antagonists such as PCP and MK-801-induced behavioural responses. I... | [
"Recurrent hypoglycaemia is primarily caused by repeated over-administration of insulin to patients with diabetes. Although cognition is impaired during hypoglycaemia, restoration of euglycaemia after recurrent hypoglycaemia is associated with improved hippocampally mediated memory. Recurrent hypoglycaemia alters g... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
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} |
Does over-expression of PTEN sensitize human ovarian cancer cells to cisplatin-induced apoptosis in a p53-dependent manner? | [
"Resistance to cisplatin-centered chemotherapy is a major cause of treatment failure in human ovarian cancer. Whereas PTEN, a tumor suppressor gene product, is believed to promote apoptosis primarily via inactivation of the PI3K/Akt cell survival pathway, recent evidence suggests that PTEN may function independentl... | [
"Despite recent advances in chemotherapeutic agents for Hepatocellular carcinoma (HCC) treatment, the results of chemotherapy remain unsatisfactory. Doxorubicin (DOX) still represents the cornerstone in HCC chemotherapy, but resistance and toxicity to normal cells are major obstacles to successful chemotherapy. The... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does a systematic review identify a lack of standardization in methods for handling missing variance data? | [
"To describe and critically appraise available methods for handling missing variance data in meta-analysis (MA). Systematic review. MEDLINE, EMBASE, Web of Science, MathSciNet, Current Index to Statistics, BMJ SearchAll, The Cochrane Library and Cochrance Colloquium proceedings, MA texts and references were searche... | [
"Uncertainty about the applicability of controlled trial findings is an increasing concern for clinicians and policy decision makers. This study aimed to determine whether information reported in studies included in systematic reviews was adequate enough to assess their applicability. We used the databases of four ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
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"neg": "Represent the Biomedical passage for retrieval:"
} |
Do sARS patients-derived human recombinant antibodies to S and M proteins efficiently neutralize SARS-coronavirus infectivity? | [
"To develop a specific SARS virus-targeted antibody preparation for emergent prophylaxis and treatment of SARS virus infection. By using phage display technology, we constructed a naive antibody library from convalescent SARS patient lymphocytes. To obtain the neutralizing antibody to SARS virus surface proteins, t... | [
"Human rhinoviruses (HRVs) are the predominant cause of common cold. In addition, HRVs are implicated in the worsening of COPD and asthma, as well as the loss of lung transplants. Despite significant efforts, no anti-viral agent is approved for the prevention or treatment of HRV-infection. In this study we demonstr... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does the key to improving prognosis for aneurysmal subarachnoid hemorrhage remain in the pre-hospitalization period? | [
"Despite advances in neurosurgical management, aneurismal subarachnoid hemorrhage (aSAH) still has high mortality and morbidity. This study aimed to clarify how delaying hospital admission after aSAH contributes to worse prognosis even today and to find the possibility for an improvement of its prognosis by early a... | [
"In recent years, four specific strategies have emerged which have proven clinical benefit in treating acute stroke. These are the administration of tissue plasminogen activator (tPA), aspirin, management in a stroke care unit (SCU) and the use of hemicraniectomy in patients with severe cerebral oedema. This articl... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
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} |
Does sucrose concentration influence the rate of human oocytes with normal spindle and chromosome configurations after slow-cooling cryopreservation? | [
"Recently described slow-cooling cryopreservation protocols involving elevated sucrose concentration have improved survival frequencies of human oocytes, potentially overcoming a major hurdle that has limited the adoption of oocyte storage. Because implantation rates of embryos from frozen oocytes remain generally ... | [
"A reduced number of progressively motile sperm (as may occur in cases of asthenozoospermia or when cryopreserved spermatozoa are used for fertilization) limits the possibility of applying various assisted reproductive techniques (ARTs). We previously showed that incubation of sperm with the phosphatidylinositol 3-... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
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Do variation of microvascular blood flow augmentation -- supercharge in esophageal and pharyngeal reconstruction? | [
"A gastric tube is commonly used in thoracic esophageal reconstruction. When a gastric tube is not available, pedicled jejunum transfer and colonic interposition are alternative methods. Oral end of the reconstructed esophagus occasionally has poor blood flow and may result in partial necrosis of the oral segment. ... | [
"To explore a method for the repairment of laryngeal fistula following electrical burn. Sternocleidomastoid myocutaneous flap was applied to restore laryngeal fistula following electrical injuries. The patient was cured with good repairment of cutaneous defect and laryngeal function following operation."
] | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
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Does tumor size improve the accuracy of TNM predictions in patients with renal cancer? | [
"Current staging for renal cancer (RC) does not directly rely on tumor size. We examined the increment in accuracy related to inclusion of pathologically determined tumor size in prediction of nodal metastases (N+), distant metastases (M+), and cancer-specific survival (CSS). Partial or radical nephrectomy was perf... | [
"Snail (known as SNAI1), a zinc-finger transcription factor, is best known for the induction of epithelial-to-mesenchymal transition, which has emerged as a recognized mechanism underlying epithelial cancer progression. Herein, the aim is to determine the effect of Snail expression on recurrence and survival of pat... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Are the catechol O-methyltransferase Val158Met polymorphism and herpes simplex virus type 1 infection risk factors for cognitive impairment in bipolar disorder : additive gene-environmental effects in a complex human psychiatric disorder? | [
"Bipolar disorder is associated with deficits in cognitive functioning. The etiology of cognitive impairment in bipolar disorder may relate to both genetic and environmental factors. A valine/methionine polymorphism of the catechol O-methyltransferase gene at amino acid 158 (COMT Val158Met polymorphism) has been id... | [
"Brain-derived neurotrophic factor (BDNF) is a modulator of synaptic and neural plasticity. Considering the association between dystonia and abnormal sensorimotor cortex plasticity, BDNF may be a candidate gene that confers susceptibility to dystonia. However, the association between Val66Met polymorphism of BDNF g... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
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Does non-invasive Mechanical Ventilation enhance Patient Autonomy in Decision-Making Regarding Chronic Ventilation? | [
"Patients with respiratory failure due to progressive muscle weakness often require chronic ventilatory support, but many do not make decisions regarding ventilation prior to a crisis. We studied the use of non-invasive ventilation as a tool to enable communication and facilitate decision-making regarding chronic v... | [
"The aim of the present study was to examine the characteristics of patients referred to occupational therapists (OTs), physiotherapists (PTs) and social workers (SWs) at a rehabilitation unit in a hospital specializing in rheumatology, and the rehabilitation needs that clinicians and patients agreed should be addr... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
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Are stimulation of the subthalamic nucleus in Parkinson 's disease : cognitive and affective changes linked to the motor outcome? | [
"Subthalamic nucleus deep brain stimulation (STN0 DBS) is a widely performed surgical treatment in PD. However, the relationship between motor results and cognitive/behavioural modifications is unclear. This study investigated the correlation patterns of the motor, cognitive and behavioural consequences of STN DBS ... | [
"Drug resistant neurogenic pain can be relieved by repetitive transcranial magnetic stimulation (rTMS) of the motor cortex. This study was designed to assess the influence of pain origin, pain site, and sensory loss on rTMS efficacy. Sixty right handed patients were included, suffering from intractable pain seconda... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Is drug expectancy necessary for stimulus control of human attention , instrumental drug-seeking behaviour and subjective pleasure? | [
"It has been suggested that drug-paired stimuli (S+) control addictive behaviour by eliciting an explicit mental representation or expectation of drug availability. The aim of the present study was to test this hypothesis by determining whether the behavioural control exerted by a tobacco-paired S+ in human smokers... | [
"Although considerable progress has been made, we do not yet fully understand the behavioral and neurobiological basis of nicotine reinforcement, and without this knowledge, treatment strategies aimed at reducing smoking remain deficient. This review describes an original perspective on nicotine reinforcement, whic... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Is androgen regulation of prostasin gene expression mediated by sterol-regulatory element-binding proteins and SLUG? | [
"Prostasin is downregulated in hormone-refractory prostate cancers (HRPC). The mechanisms by which androgens regulate prostasin expression are unclear. LNCaP cells were treated with dihydrotestosterone (DHT), and mRNA expression of prostasin, SREBPs, SNAIL, and SLUG was examined by real-time PCR following reverse t... | [
"Small ubiquitin-like modifiers (SUMO) are covalently conjugated to other proteins including nuclear receptors leading to modification of various cellular processes. Ligand-dependent SUMOylation of farnesoid X receptor (FXR) negatively regulates the expression of its target genes."
] | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
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Do normal and prostate cancer cells display distinct molecular profiles of alpha-tubulin posttranslational modifications? | [
"Multiple diverse posttranslational modifications of alpha-tubulin such as detyrosination, further cleavage of the penultimate glutamate residue (Delta2-tubulin), acetylation, and polyglutamylation increase the structural and functional diversity of microtubules. Herein, we characterized the molecular profile of al... | [
"FOXL2 is a transcription factor essential for ovarian development and maintenance. It is mutated in the genetic condition called Blepharophimosis Ptosis Epicantus inversus Syndrome (BPES) and in cases of isolated premature ovarian failure. We and others have previously shown that FOXL2 undergoes several post-trans... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Are the gene overexpressed in polycythemia rubra vera , PRV-1 , and the gene encoding a neutrophil alloantigen , NB1 , alleles of a single gene , CD177 , in chromosome band 19q13.31? | [
"PRV-1 mRNA is overexpressed by neutrophils from polycythemia vera patients and is homologous to NB1 a gene overexpressed in reactive neutrophilia. These investigations were designed to confirm searches of genome databases suggesting that PRV-1 and NB1 are alleles of the same gene, CD177, and confirm a pseudogene a... | [
"In D category V types, the RHD exon 5 or parts thereof are replaced by the corresponding RHCE DNA segments. In D category V types I and II, the amino acid at position 226 is alanine, which is typical of the prevalent RHD allele and is observed in all RHCE alleles encoding the antigen e. A proline at position 226 i... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
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} |
Do consistent relationships between sensory properties of savory snack foods and calories influence food intake in rats? | [
"Determine the influence of experience with consistent or inconsistent relationships between the sensory properties of snack foods and their caloric consequences on the control of food intake or body weight in rats. Rats received plain and BBQ flavored potato chips as a dietary supplement, along with ad lib rat cho... | [
"Age-related deficits in salt taste perception are said to increase preferences for salty foods, thereby leading potentially to greater sodium consumption. This study examined the link between salt taste perceptions and preferences and sodium intakes as a function of age and gender. We studied 24 young adults (aged... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
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Is kLK31P a novel androgen regulated and transcribed pseudogene of kallikreins that is expressed at lower levels in prostate cancer cells than in normal prostate cells? | [
"Fifteen human tissue kallikrein (KLK) genes have been identified as a cluster on chromosome 19. KLK expression is associated with various human diseases including cancers. Noncoding RNAs such as PCA3/DD3 and PCGEM1 have been identified in prostate cancer cells. Using massively parallel signature sequencing (MPSS) ... | [
"The HP1 family of evolutionarily conserved proteins regulates heterochromatin packaging, in addition to a less defined role in the regulation of euchromatic genes. To examine the possible role of HP1 proteins in fetal prostate development and prostate cancer the protein expression of HP1alpha, beta and gamma was e... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does fetal hemoglobin induction by histone deacetylase inhibitors involve generation of reactive oxygen species? | [
"Several compounds, including butyrate and trichostatin A, have been shown to activate gamma-gene expression via p38 mitogen-activated protein kinase (MAPK) signaling. In eukaryotic cells, reactive oxygen species (ROS) act as signaling molecules to mediate phosphorylation of tyrosine kinases such as p38 MAPK to reg... | [
"Mounting evidence suggests that oxidative stress contributes to the pathogenesis of many ocular diseases, including glaucoma and diabetic retinopathy. No treatments are available to prevent the neuronal degeneration that occurs in these disorders. The purpose of this study was to determine whether flavonoids, natu... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
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} |
Is the aciclovir metabolite CMMG detectable in the CSF of subjects with neuropsychiatric symptoms during aciclovir and valaciclovir treatment? | [
"Neuropsychiatric symptoms related to aciclovir or valaciclovir treatment have been a problem since aciclovir was introduced in the early 1980s. We have previously found that subjects with aciclovir-related neuropsychiatric symptoms have increased serum concentrations of aciclovir's main metabolite, 9-carboxymethox... | [
"Cryptococcus neoformans, a common opportunistic pathogen among patients with human immunodeficiency virus (HIV) infection, lymphoproliferative disorders and other conditions causing immunosuppression, can be differentiated from other yeasts using biochemical tests as well as culture results and direct histopatholo... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
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Is charlson Index associated with one-year mortality in emergency department patients with suspected infection? | [
"A patient's baseline health status may affect the ability to survive an acute illness. Emergency medicine research requires tools to adjust for confounders such as comorbid illnesses. The Charlson Comorbidity Index has been validated in many settings but not extensively in the emergency department (ED). The purpos... | [
"To identify the independent variables associated with death within 4 days after the first sepsis-induced organ dysfunction. In this prospective observational study, severe sepsis and septic shock patients were classified into 3 groups: Group 1, survivors; Group 2, late non-survivors; and Group 3, early non-survivo... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
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} |
Are changes in maternal marital status associated with young adults ' cannabis use : evidence from a 21-year follow-up of a birth cohort? | [
"Relatively little is known about why almost half of young adults in Australia have used cannabis. Because the upwards trend in use of cannabis has been coincident with an increase in marital breakdown, this study examines the relationship between marital status, marital changes, and the onset of cannabis use. Data... | [
"Affecting 19% of women, postpartum depression is a major concern to the immediate health of mothers and infants. In the long-term, it has been linked to the development of early-onset asthma at school entry, but only if the depression persists beyond the postnatal period. No studies have tested whether association... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
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} |
Is the development of autoantibodies after allogeneic stem cell transplantation related with chronic graft-vs-host disease and immune recovery? | [
"Chronic graft-vs-host disease (GVHD) has certain similarities with autoimmune diseases and is associated with the development of various autoantibodies in some patients. In this study, we analyzed the occurrence of autoantibodies in 63 patients surviving longer than 3 months after an allogeneic haematopoietic stem... | [
"Matched unrelated bone marrow transplantation (BMT) for patients with hematological malignancies is associated with a high incidence of transplant-related complications due to high doses of chemoradiotherapy administered pre-BMT to ensure engraftment. The aim of this study was to investigate the feasibility of low... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does nasal vaccination with CpG oligodeoxynucleotide induce protective immunity against non-typeable Haemophilus influenzae in the nasopharynx? | [
"Nasal vaccination is an effective therapeutic regimen for preventing otitis media. Since cholera toxin (CT) is toxic, an alternative adjuvant is required for the development of a nasal vaccine. The efficacy of CpG oligodeoxynucleotide (ODN) as a mucosal adjuvant was examined. Mice were immunized intranasally with ... | [
"alpha-Galactosylceramide (alpha-GalCer), which is a specific ligand for CD1d restricted variable-alpha14chain natural killer T cells, has an important role in host defense against a range of microbial infections. We examined whether alpha-GalCer mediates bacterial clearance in a murine urinary tract infection (UTI... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does eGFR regulate the side population in head and neck squamous cell carcinoma? | [
"To identify the presence of side population (SP) cells in established head and neck squamous carcinoma cell (HNSCC) lines and to determine the role of EGFR in the regulation of the side population of these cells. SP cells were identified using flow cytometry analysis by the ability of these cells to extrude the Ho... | [
"Her2 (ErbB2) transforms cells when overexpressed and is an important therapeutic target in breast cancer. Contrary to breast cancer, studies on Her2 overexpression and gene amplification in squamous cell carcinomas of the head and neck region described largely different results. This study was undertaken to learn ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Is re-fixation in a lymph node revealing solution a powerful method for identifying lymph nodes in colorectal resection specimens? | [
"To verify an impact of a lymph node revealing solution (LRS) on the number of lymph nodes (LN) revealed in colorectal resection specimens. Fifty-nine cases of rectosigmoid carcinomas divided into two subgroups-stage pT2&3 (20 cases) and ypT2&3 (with pre-operative radiotherapy-39 cases)-were formalin fixed for 42-7... | [
"The rising incidence of melanoma and the high prevalence of breast cancer have generated a new scientific problem-how do the regional lymph node basins function after radical lymphadenectomy and are lymphatic drainage patterns altered after radical lymphadenectomy? Furthermore, after radical lymphadenectomy, selec... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Is routine repeat head CT for minimal head injury unnecessary? | [
"Patients with MHI and a positive head computed tomography (CT) scan frequently have a routine repeat head CT (RRHCT) to identify possible evolution of the head injury requiring intervention. RRHCT is ordered based on the premise that significant injury progression may take place in the absence of clinical deterior... | [
"Arterial blood gas and serum lactate (ABG / SL) values have been shown to be markers for occult shock and poor outcome following blunt trauma. However, the utility of ABG / SL in blunt trauma patients who also receive computed tomographies (CT) of the chest, abdomen, and pelvis (CT C&A) remains unknown. A chart re... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is rehabilitation compromised by arousal and sleep disorders : results of a survey of rehabilitation centres? | [
"To investigate the impact of disorders of arousal and sleep disturbance on everyday living and participation in rehabilitation. Survey of rehabilitation centres based on naturalistic observation. One hundred and thirty-five adults with acquired brain injury were reported by rehabilitation staff in seven centres ac... | [
"Fibromyalgia is a syndrome characterized by chronic generalized pain in addition to different symptoms such as fatigue, sleep disturbances, stiffness, cognitive impairment, and psychological distress. Multidisciplinary treatment combining pharmacological and nonpharmacological therapies is advised. Publications de... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does a retrospective analysis of the impact of 18F-FDG PET scan on clinical management of 133 breast cancer patients? | [
"While it is well-known that there is 18F-FDG uptake in breast tumors, clinical impact of (18)F-FDG PET in managing breast cancer patients is not well-studied. One hundred and thirty-three consecutive breast cancer patients from May 1996 to June 2000 were studied. All patients were treated and being followed. Reaso... | [
"The purpose of this study was to compare the usefulness of gallium-67 citrate (67Ga) and technetium-99m tetrofosmin (Tc-TF) scan to detect Hodgkin's disease (HD). In this study, 24 patients with HD underwent 67Ga and Tc-TF scan before receiving any therapy. 67Ga scan could detect HD in all 24 (100%) patients. Tc-T... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does options in pediatric glaucoma after angle surgery have failed? | [
"Congenital glaucoma is primarily a surgical disease with medical management serving as a temporizing measure before surgery or as postoperative adjunctive treatment. First-line surgery for congenital glaucoma consists of incisional procedures on the anterior chamber angle: goniotomy and trabeculotomy. Angle surger... | [
"This study reviews the long-term follow-up (mean 11.2 years, range 9 months to 16 years 9 months) of Molteno drains used in the treatment of glaucoma presenting in childhood, in 34 eyes of 25 patients. Intraocular pressure control was achieved in 85% of eyes, and vision (where measurable) was maintained in 57% of ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does postprandial light physical activity blunt the blood glucose increase? | [
"The magnitude and duration of postprandial blood glucose elevation seem to be important risk factors for diabetes Type 2 and coronary heart disease. AIM.: To investigate whether post-meal light physical activity might reduce the blood glucose increase. Nine young (18-25 years) and 10 middle-aged (45-65 years) sede... | [
"A normal consequence of increased energy intake and insulin resistance is compensatory hyperinsulinaemia through increased insulin secretion and/or reduced insulin clearance. Failure of compensatory mechanisms plays a central role in the pathogenesis of type 2 diabetes mellitus; consequently, it is critical to ide... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Do `` Random '' gentamicin concentrations predict trough levels in neonates receiving once daily fixed dose regimens? | [
"Monitoring plasma gentamicin concentrations in neonates 24 hours after a once daily dose (4 mg/kg) often necessitates additional blood sampling. In adults a nomogram has been developed enabling evaluation of gentamicin doses by sampling concentrations with other blood tests, 4-16 hours after administration. We att... | [
"Aminoglycoside ototoxicity may be mitigated by administration of dexamethasone; however, dexamethasone could theoretically impair its antibacterial properties. The purpose of this experiment was to determine if dexamethasone decreases the antibacterial activity of gentamicin against Pseudomonas aeruginosa (PA) and... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does cD40L induce multidrug resistance to apoptosis in breast carcinoma and lymphoma cells through caspase independent and dependent pathways? | [
"CD40L was found to reduce doxorubicin-induced apoptosis in non Hodgkin's lymphoma cell lines through caspase-3 dependent mechanism. Whether this represents a general mechanism for other tumor types is unknown. The resistance induced by CD40L against apoptosis induced by a panel of cytotoxic chemotherapeutic drugs ... | [
"Advanced hepatocellular carcinoma (HCC) responds poorly to conventional systemic therapies. Therefore, new effective therapy strategies are urgently needed. Molecular targeted therapies have entered the field of anti-neoplastic treatment and are being used on their own and in combination with other drugs. Sorafeni... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does 5 mCi pretreatment scanning cause stunning when the ablative dose is administered within 72 hours? | [
"To determine the stunning effect of a tracer dose of 5 mCi iodine-131. We retrospectively analyzed 145 patients who received the first ablative treatment at our service. Patients were divided according to disease status determined upon post-treatment scanning (101 patients with thyroid remnants and 44 with pulmona... | [
"Acute and chronic brain injury are common sequelae of high-dose focused radiation, as in radiosurgery and brachytherapy. Development of protectors of radiation injury, which would work in brain but not in tumor, would help enhance the therapeutic ratio of focused-radiation therapy. Radiation protection by a clinic... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Is the imaginary line method reliable for identification of prosthetic heart valves on AP chest radiographs? | [
"To examine the utility of four criteria for distinguishing aortic from mitral valve prostheses on supine anteroposterior (AP) chest x rays in critically ill patients. Two reviewers independently examined the post operative chest X-rays (CXR) of all patients undergoing either an aortic or mitral valve replacement o... | [
"To determine the optimal method for detecting ascending aortic atheroma intraoperatively by comparing manual palpation by the operating surgeon, intraoperative transesophageal echocardiography, and epiaortic ultrasound (linear and phased-array imaging); and to assess risk factors for severe aortic atheroma. A long... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Is satisfying parents ' preferences with regard to various models of postnatal care cost-minimizing? | [
"This study describes three options for postnatal care in Sweden and contains a cost analysis of the options in various combinations. The aim of the study was to calculate the cost of a postnatal care model according to new parents' preferences. Staff costs were calculated for various models of postnatal care, comp... | [
"What are the lifestyle choices and dietary aspects of women about to undergo fertility treatment in New Zealand?"
] | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does surgical therapy attenuate abdominal and extra-abdominal inflammation in experimental peritonitis? | [
"This study examines the influence of surgical management (elimination of the infectious focus and abdominal lavage) on survival and the inflammatory response in the various compartments of the body: local (abdomen), systemic (blood) and distant organ (lungs). Peritonitis was established in mice by cecal ligation a... | [
"Is there a non-invasive biomarker for the diagnosis of testicular inflammatory lesions?"
] | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Are soap operas and talk shows on television associated with poorer cognition in older women? | [
"No information exists regarding whether a favorite television category choice affects attention, memory, or cognition among older women. Cross-sectional data from a population-based community sample of 289 older cognitively and physically intact women who were surveyed about television use. The cognitive battery i... | [
"What are the lifestyle choices and dietary aspects of women about to undergo fertility treatment in New Zealand?"
] | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Is seizure outcome after resection of cavernous malformations better when surrounding hemosiderin-stained brain also is removed? | [
"Considering the epileptogenic effect of cavernoma-surrounding hemosiderin, assumptions are made that resection only of the cavernoma itself may not be sufficient as treatment of symptomatic epilepsy in patients with cavernous malformations. The purpose of this study was to test the hypothesis whether seizure outco... | [
"Venous drainage of dural arteriovenous fistula (DAVF) with dementia has never been reported. The aim of this study was to discover if specific vascular conditions exist to develop dementia in patients with DAVF. Venous drainage in patients embolized in our centre between 1996 and 2012 for a DAVF with dementia were... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does integrin alpha2beta1 regulate neutrophil recruitment and inflammatory activity in experimental colitis in mice? | [
"Human inflammatory bowel disease (e.g., Crohn's disease and ulcerative colitis), is associated with leukocyte accumulation in the inflamed intestinal tissue. Recent studies strongly suggest a role of beta1 integrin receptors in regulating tissue damage and disease symptoms related to inflammatory bowel disease. Th... | [
"Tumor cells produce various cytokines and chemokines that attract leukocytes. Leukocytes can amplify parenchymal innate immune responses, and have been shown to contribute to tumor promotion. Neutrophils are among the first cells to arrive at sites of inflammation, and the increased number of tumor-associated neut... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does molecular tracing of the global hepatitis C virus epidemic predict regional patterns of hepatocellular carcinoma mortality? | [
"Molecular evolutionary analysis based on coalescent theory can provide important insights into epidemiologic processes worldwide. This approach was combined with analyses of the hepatitis C virus (HCV) epidemiologic-historical background and HCV-related hepatocellular carcinoma (HCC) in different countries. The HC... | [
"The risk and the predictors of liver disease progression in carriers of inactive hepatitis B virus (HBV) are unclear. Participants in the Risk Evaluation of Viral Load Elevation and Associated Liver Disease/Cancer-Hepatitis B Virus (REVEAL-HBV) study who were seronegative for hepatitis B e antigen; had serum level... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does tryptophan depletion modify response to CCK-4 challenge in patients with panic disorder after treatment with citalopram? | [
"Data by [Bell et al. J Psychopharmacol (2002) 16:5-14] suggest that a decrease in 5-HT neurotransmission predisposes to panic attacks and that the antipanic effect of SSRIs depends upon the availability of 5-HT in the brain. Our aim was to assess the effect of acute tryptophan depletion (TD) on cholecystokinin-tet... | [
"Non-selective serotonin (5-HT) receptor agonists like meta-chlorophenylpiperazine and MK-212 have been used to explore the role of 5-HT in obsessive compulsive disorder (OCD). The results of these studies and the findings of autoradiography and neuroimaging studies, pointed to a possible role of the 5-HT1B/1D rece... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Is leptin an endothelial-independent vasodilator in humans with coronary artery disease : Evidence for tissue specificity of leptin resistance? | [
"We sought to define the mechanisms and correlates of leptin's vascular actions in humans with coronary artery disease. In 131 patients (age 65.7+/-0.7 years mean+/-SEM), ex vivo vascular reactivity to leptin (10(-13)-10(-7) M) was assessed in saphenous vein (SV) rings. Leptin led to SV relaxation (maximal relaxati... | [
"Perivascular adipose tissue (PVAT) exerts an anticontractile effect in response to various vasoconstrictor agonists, and this is lost in obesity. A recent study reported that bariatric surgery reverses the damaging effects of obesity on PVAT function. However, PVAT function has not been characterized after weight ... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Do serum adiponectin levels increase after human chorionic gonadotropin treatment during in vitro fertilization? | [
"To determine whether or not serum adiponectin concentrations are influenced by ovarian hyperstimulation during in vitro fertilization (IVF). This study involved 52 women who were participating in IVF-ET cycles. Adiponectin levels in serum were determined by radioimmunoassay and compared. Serum adiponectin levels f... | [
"To investigate the effects of pioglitazone on controlled ovarian stimulation (COS), IVF outcomes, and follicular fluid (FF) cytokine concentrations in patients with polycystic ovary syndrome (PCOS). Eighty-six infertile patients with PCOS resistant to clomiphene citrate were randomized to receive pioglitazone (30 ... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Is human cathelicidin LL-37 a chemoattractant for eosinophils and neutrophils that acts via formyl-peptide receptors? | [
"Inflammatory lung diseases such as asthma and chronic obstructive pulmonary disease (COPD) are characterized by the presence of eosinophils and neutrophils. However, the mechanisms that mediate the influx of these cells are incompletely understood. Neutrophil products, including neutrophil elastase and antimicrobi... | [
"Apolipoprotein A-I (apoA-I) has been shown to possess several atheroprotective functions, including inhibition of inflammation. Protease-secreting activated mast cells reside in human atherosclerotic lesions. Here we investigated the effects of the neutral proteases released by activated mast cells on the anti-inf... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Are c-reactive protein and homocysteine associated with dietary and behavioral risk factors for age-related macular degeneration? | [
"We investigated whether age-related macular degeneration risk factors are associated with high-sensitivity C-reactive protein (CRP) and homocysteine (HCY), systemic biomarkers for cardiovascular disease. Subjects with a range of age-related macular maculopathies or no maculopathy at two centers in the United State... | [
"Aspirin is considered one of the most prescribed drugs worldwide, predominantly for its cardioprotective effects. However, its use may be precluded by gastrointestinal and haematological side-effects. To investigate the association between the prophylactic use of aspirin and the prevalence of anaemia among adults.... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Is tumor epithelial cell matrix metalloproteinase 9 a target for antimetastatic therapy in colorectal cancer? | [
"The current paradigm suggests that matrix metalloproteinase 9 (MMP-9) expressed by stromal cells is a therapeutic target in human colorectal tumors which presumably regulates metastatic disease progression. Conversely, whereas cancer cells within those tumors may induce stromal cells to produce MMP-9 and may be ta... | [
"Metastasis is thought to be governed partially by induction of epithelial-mesenchymal transition. Combination of proteasome and histone deacetylase inhibitors has shown significant promise, but no studies have investigated this in esophageal cancer. This study investigated effects of vorinostat (histone deacetylas... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does the distance-saturation product predict mortality in idiopathic pulmonary fibrosis? | [
"The 6-min walk test (6MWT) has prognostic value in various pulmonary disorders including idiopathic pulmonary fibrosis (IPF). We determined the individual prognostic accuracy of distance walked and oxygen saturation during the 6MWT in patients with IPF. We defined a new composite index, the distance-saturation pro... | [
"Is there a non-invasive biomarker for the diagnosis of testicular inflammatory lesions?"
] | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Do demographic factors influence cognitive recovery after shunt for normal-pressure hydrocephalus? | [
"Several studies have reported that ventriculoperitoneal shunt insertion for treatment of normal-pressure hydrocephalus results in improvement of gait and, less frequently, improvement of cognition. We sought to identify the demographic factors associated with cognitive improvement after shunt insertion to improve ... | [
"Treatment of obstructive hydrocephalus in children with tuberculous meningitis (TBM) depends on the level of the cerebrospinal fluid (CSF) block. Air-encephalography is regarded as the gold standard for differentiating communicating and non-communicating hydrocephalus. Since air-encephalography involves a lumbar p... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does the bifunctional dihydrofolate reductase thymidylate synthase of Tetrahymena thermophila provide a tool for molecular and biotechnology applications? | [
"Dihydrofolate reductase (DHFR) and thymidylate synthase (TS) are crucial enzymes in DNA synthesis. In alveolata both enzymes are expressed as one bifunctional enzyme. Loss of this essential enzyme activities after successful allelic assortment of knock out alleles yields an auxotrophic marker in ciliates. Here the... | [
"It is well-known that elevated amounts of nitric oxide and other reactive nitrogen species (RNS) impact negatively on the tricarboxylic acid (TCA) cycle and oxidative phosphorylation. These perturbations severely compromise O2-dependent energy production. While bacteria are known to adapt to RNS, a key tool employ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Does genetic variation in 11beta-hydroxysteroid dehydrogenase type 1 predict adrenal hyperandrogenism among lean women with polycystic ovary syndrome? | [
"Elevated adrenal androgen levels are common in polycystic ovary syndrome (PCOS), but the underlying pathogenetic mechanism is poorly understood. In the rare cortisone reductase deficiency, impaired regeneration of active cortisol from inert cortisone by 11beta-hydroxysteroid dehydrogenase (11beta-HSD1) results in ... | [
"Are interleukin-33 (IL-33) serum levels higher in women with uterine leiomyoma compared with controls without leiomyoma?"
] | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Does systemic nitric oxide augmentation lead to a rapid decrease of the bladder outlet resistance in healthy men? | [
"We examined the immediate effect of a systemic nitric oxide augmentation on the bladder outlet resistance in healthy men. Eleven healthy male volunteers with a mean age of 25.5 yr were included in the study. They were prepared for a standard urodynamic study, and a baseline pressure-flow study was obtained. The su... | [
"Neurogenic bladder dysfunction is a major issue in Multiple Sclerosis (MS). High intravesical pressure should be treated early. Available therapies are insufficient and there is need for drug development and investigation of pathogenesis. Experimental Autoimmune Encephalomyelitis (EAE) in rodents is a well validat... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Does vaccination with a HER2/neu peptide induce intra- and inter-antigenic epitope spreading in patients with early stage breast cancer? | [
"We are conducting clinical vaccine trials with the HER2/neu peptide, E75, in patients with breast cancer. The purpose of this study was to demonstrate clonal expansion of E75-specific CD8(+) T cells and to identify intra- and interantigenic epitope spreading. Pre- and postvaccination peripheral blood leukocyte sam... | [
"Numerous examples from animal models and clinical trials showed that HER-2-derived peptides are naturally processed as a CTL epitope and can be recognized by tumor-specific CTLs in several tumors with HER-2 overexpression. The humanized anti-HER-2 monoclonal antibody, Herceptin, has been designed to specifically a... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Are cardiac histones substrates of histone deacetylase activity in hemorrhagic shock and resuscitation? | [
"DNA transcription is regulated, in part, by acetylation of nuclear histones that are controlled by 2 groups of enzymes: histone deacetylases (HDAC) and histone acetyl transferases (HAT). Whether an imbalance in HDAC/HAT system plays a role in hemorrhage/resuscitation is unknown. The goals of this study were to det... | [
"Antithrombin (AT) is a plasma serpin inhibitor that regulates the proteolytic activity of procoagulant proteases of the clotting cascade. In addition to its anticoagulant activity, AT also possesses potent anti-inflammatory properties. The objective of this study was to investigate the anti-inflammatory activity o... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
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