query stringlengths 17 395 | pos list | neg list | task stringclasses 1
value | instruction dict |
|---|---|---|---|---|
Is benefits of magnesium in acute myocardial infarction : timing crucial? | [
"To evaluate magnesium deficiency during and after acute myocardial infarction (AMI) and the role of intravenous magnesium therapy given in the early postinfarction period. One hundred patients with AMI were randomly assigned to 2 equal groups and monitored over a 4-week period. The placebo group received intraveno... | [
"Adherence issues with the use of available aminosalicylates for the treatment of ulcerative colitis (UC) are discussed."
] | 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 synovial fluid glycosaminoglycan concentration correlate with severity of chondropathy or predict progression of osteoarthritis in a canine cruciate deficiency model? | [
"Considerable interest exists today in biochemical or immunochemical tests for monitoring the progression of osteoarthritis (OA). It has been suggested that measurements made on synovial fluid (SF) will more accurately reflect the magnitude of cartilage destruction in an index joint than those performed on serum. H... | [
"To evaluate the effect of osteoporosis (OP) in cartilage damage developed in an experimental model of osteoarthritis (OA) in mature female rabbits in order to investigate the relationship between OP and OA. OA was experimentally induced by anterior cruciate section and partial medial meniscectomy in the left knee ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is ultradian rapid cycling in prepubertal and early adolescent bipolarity in transmission disequilibrium with val/met COMT alleles? | [
"Prepubertal children and early adolescents with bipolar disorders (PEA-BP) who participate in the ongoing study \"Phenomenology and Course of Pediatric Bipolar Disorders\" have a high prevalence of ultradian (within 24-hour periods) rapid cycling. Based on a case-control finding reported in bipolar (BP) adults of ... | [
"Increased dopaminergic activity may play a primary role in psychotic depression. Dopamine beta-hydroxylase (DbetaH) catalyses the key step in biosynthesis of the neurotransmitter noradrenaline from dopamine, and low DbetaH activity is a possible risk factor for developing psychotic depression. An exon 2 polymorphi... | 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 human chorionic gonadotropin with C-elongated alpha-subunit retain full receptor binding and partial agonist activity? | [
"To test whether extension of the C-terminus of human chorionic gonadotropin (hCG) alpha-subunit (halpha) alters the bioactivity of the recombined alphabeta heterodimer. The stop codon of halpha was mutated to produce a 24 amino acid extension. The extended halpha (alpha(+24)) was co-expressed with hCGbeta in COS-7... | [
"We propose that regions outside the bioactive 7-amino acid carboxyl terminus of cholecystokinin (CCK)-58 influence its biological activity. Here we evaluate if sequence variation of the N-terminal regions of rabbit and canine CCK-58 changes their biological activities. Cholecystokinin-like immunoreactivity was pur... | 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 mycophenolic acid-induced GTP depletion also affect ATP and pyrimidine synthesis in mitogen-stimulated primary human T-lymphocytes? | [
"Mycophenolate mofetil (MMF) is an effective immunosuppressant developed for use in organ transplantation. It specifically targets lymphocyte purine biosynthesis. However, side effects do occur. Understanding how the active metabolite of MMF, mycophenolic acid (MPA) affects the normally integrated interaction betwe... | [
"The fruits of Theobroma cacao L. (Sterculiaceae) have been used as food and a remedy for more than 4000 years. Today, about 100 therapeutic applications of cacao are described involving the gastrointestinal, nervous, cardiovascular and immune systems. Pro-inflammatory cytokine interferon-gamma and related biochemi... | 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 in vivo T-cell depletion enhance production of anti-GALalpha1,3GAL natural antibodies in alpha1,3-galactosyltransferase-deficient mice? | [
"It has been reported that T-cell depletion by in vivo treatment with monoclonal antibodies results in polyclonal B-cell activation. However, its effects on B cells responding to Galalpha1,3Gal (Gal) epitopes remain unknown. alpha1,3-Galactosyltransferase-deficient (GalT-/-) mice were treated with depleting anti-CD... | [
"Do N-acetylglucosaminyltransferase (GnT-V) and N-acetylglucosaminyltransferase III (GnT-III) play an important role in early spontaneous miscarriage (ESM) in humans."
] | 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 synovial fluid lymphocyte proliferation in response to crude microbial antigens useful as a diagnostic test to specifically indicate a bacterial cause of arthritis? | [
"To determine the role of lymphocyte proliferation assay of synovial fluid mononuclear cells (SFMC) with whole fraction bacteria in the diagnosis of reactive arthritis (ReA) or arthritis of unknown origin. We stimulated SFMC of 52 unselected patients who consecutively presented in our rheumatology outpatient clinic... | [
"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:"
} |
Does the flow rate significantly influence the leukocyte depletion rate during prestorage in-line filtration of platelet concentrates? | [
"White cell reduction of blood products minimizes the risks of alloimmunization against HLA-antigens, the transmission of viral diseases and the incidence of platelet transfusion reactions. One modern strategy is leukocyte depletion with an integrated filter system immediately after preparation and prior to storage... | [
"Autologous blood transfusion has been avoided in cancer surgery because of the metastatic potential of reinfused tumour cells. This study evaluated the efficacy of a blood transfusion filter in removing tumour cells from blood. Whole human blood was admixed with two different malignant cell lines (breast cancer PM... | 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 variation in axillary node dissection influence the degree of nodal involvement in breast cancer patients? | [
"The number of positive axillary lymph nodes predicts prognosis and is often important in determining adjuvant chemotherapy in breast cancer patients. This study was undertaken to determine if differences in the extent of axillary node dissection would alter the number of reported positive nodes. The study populati... | [
"To evaluate whether the extent of surgery and of the pathology evaluation affects the outcome of patients with bladder cancer after radical cystectomy. The data from 637 patients with invasive bladder cancer who underwent radical cystectomy and pelvic lymph node dissection were analyzed. Associations between surgi... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is a newly created splice donor site in exon 25 of the MyBP-C gene responsible for inherited hypertrophic cardiomyopathy with incomplete disease penetrance? | [
"Hypertrophic cardiomyopathy is a myocardial disorder resulting from inherited sarcomeric dysfunction. We report a mutation in the myosin-binding protein-C (MyBP-C) gene, its clinical consequences in a large family, and myocardial tissue findings that may provide insight into the mechanism of disease. History and c... | [
"Lamin A and C are nuclear filament proteins encoded by the LMNA gene. Mutations in the LMNA gene cause many congenital diseases known as laminopathies, including Emery-Dreifuss muscular dystrophy, Hutchinson-Gilford progeria syndrome, and familial dilated cardiomyopathy (DCM) with conduction disease. A missense mu... | 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 childhood injuries and deaths due to fall from windows? | [
"Unintentional injuries are the leading cause of death in children, and falls are the most common type of unintentional injury in the US. The incidence of falls from windows, a common cause of death in urban areas, has not been described outside major cities such as New York and Chicago, and rates in urban and subu... | [
"To analyse the relationship between motor vehicle collision factors and TBI. Retrospective design analysed the difference between the types of brain injuries sustained in distinct collision configurations. Medical charts and police accident reports were reviewed for individuals sustaining TBI in 168 motor vehicle ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Do quantitative 15 steps exercise oximetry as a marker of disease severity in patients with chronic obstructive pulmonary disease? | [
"Hypoxemia is a common complication of chronic obstructive pulmonary disease and a major factor in patients' prognosis and quality of life. The response to exercise has been evaluated by various means but no standardization has been accepted. To suggest a simple outpatient technique for evaluating the response of a... | [
"Asymmetric dimethylarginine (ADMA) and nitric oxide (NO) show their mechanism of action reciprocally, the balance between these molecules contributes to the tight regulation of airways tone and function. The aim of this study to determine the serum levels of ADMA and NO in patients with chronic obstructive pulmona... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Do cyclo-oxygenase-2 inhibitors ameliorate the severity of experimental colitis in rats? | [
"Both in experimental colitis and in inflammatory bowel disease, colonic eicosanoid generation is enhanced and may contribute to the pathogenesis of the inflammatory response. To evaluate the effect of selective cyclo-oxygenase-2 (COX-2) inhibitors on the extent and severity of two models of experimental colitis. C... | [
"Does high mobility group box protein 1 (HMGB1) regulate inflammatory reactions in a rat model of experimental autoimmune orchitis (EAO)?"
] | 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 infection with virulent strains of Helicobacter pylori associated with ischaemic heart disease : evidence from a population-based case-control study of myocardial infarction? | [
"Although the majority of evidence does not support association between Helicobacter pylori infection and ischaemic heart disease, the nature of this relationship may differ when virulence of the infecting strains are examined. The prevalence of IgG antibody evidence of infection with CagA positive stains of H. pyl... | [
"Iron is suspected to play a role in the development of atherosclerosis and in the progression of the disease, and consequently in myocardial infarction. Authors of a recent study identified a mutation in HLA-H gene, C282Y, that is an excellent marker for hemochromatosis, which is the most common cause of iron over... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is hypertonic saline attenuation of polymorphonuclear neutrophil cytotoxicity : timing everything? | [
"The potential to modulate the inflammatory response has renewed interest in hypertonic saline (HTS) resuscitation of injured patients. However, the effect of the timing of HTS treatment with respect to polymorphonuclear neutrophil (PMN) priming and activation remains unexplored. We hypothesized that HTS attenuatio... | [
"Cardiac oxytocin (OT) is structurally identical to that found in the hypothalamus, which thereby indicates that cardiac OT is derived from the same gene and is an active form of OT. The abundance of OT and OT receptors in atrial myocytes shows that, directly and/or via the release of the cardiac hormone atrial nat... | 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 an immune-enhancing enteral diet reduce mortality rate and episodes of bacteremia in septic intensive care unit patients? | [
"To determine whether early enteral feeding in a septic intensive care unit (ICU) population, using a formula supplemented with arginine, mRNA, and omega-3 fatty acids from fish oil (Impact), improves clinical outcomes, when compared with a common use, high protein enteral feed without these nutrients. A prospectiv... | [
"To define the clinical characteristics and outcome of preoperative hypoalbuminemia in adult cardiovascular surgery. Inception cohort. Adult cardiovascular intensive care unit (CVICU). Admissions to CVICU between January 1 and December 31, 1993. Preoperative hypoalbuminemia (serum albumin < or = 3.5 g/dL) was class... | 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 [ 10 year result with a cemented fine-grit-blasted titanium-aluminum-vanadium hip endoprosthesis shaft ]? | [
"Are the results of cemented titanium hip arthroplasty as bad as described in literature? We present the 10-year results of a cemented mild grid blasted Titanium-Aluminium-Vanadium Stem in Total-Hip-Arthroplasty. The clinical and radiological reexamination was documented in standardized questionnaire in which sever... | [
"INTRODUCTION The long-term stability in cemented hip arthroplasty depends not only on the mechanical properties of the acrylic bone cements but also on an improvement of cementing techniques. The bending strengths of 15 commonly used bone cements (CMW 3 Gentamycin; CMW 3; Refobacin Palacos R; Palacos R; Palamed 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:"
} |
Is there substantial nuclear and cellular disintegration before detectable phosphatidylserine exposure during the camptothecin-induced apoptosis of HL-60 cells? | [
"An early sign of apoptosis in many cells is the appearance of phosphatidylserine (PS) on the outside of the plasma membrane, whilst the cells still retain the ability to exclude DNA-binding molecules such as propidium iodide and 7-aminoactinomycin D (7-AAD). The protein annexin V binds preferentially to PS and has... | [
"Cell cycle specificity, an important feature of anticancer drugs, is commonly used in the design of combined chemotherapy. Paclitaxel is widely accepted as an G2/M phase-specific agent. However, cumulative evidences revealed that the cell cycle specificity of anticancer drugs in vitro is not always consistent as i... | 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 luminal short-chain fatty acid butyrate modulate NF-kappaB activity in a human colonic epithelial cell line? | [
"The transcription factor nuclear factor-kappaB (NF-kappaB) plays a central role in regulating immune and inflammatory responses. Because butyrate deficiency has been associated with inflammatory bowel disease, we examined the effect of butyrate on NF-kappaB activity in the human HT-29 colonic cell line. The influe... | [
"Ileal Crohn's disease is related to NOD2 mutations and to a gut barrier dysfunction. Pseudomonas fluorescens has also been associated with ileal Crohn's disease. The aim of this study was to determine the impact of P. fluorescens on the paracellular permeability in ileum and Peyer's patches. To explore this questi... | 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 intravenous pantoprazole rapidly control gastric acid hypersecretion in patients with Zollinger-Ellison syndrome? | [
"Parenteral control of gastric acid hypersecretion in conditions such as Zollinger-Ellison syndrome (ZES) or idiopathic gastric acid hypersecretion is necessary perioperatively or when oral medications cannot be taken for other reasons (e.g., during chemotherapy, acute upper gastrointestinal bleeding, or in intensi... | [
"Helicobacter pylori eradication reduces the recurrence of duodenal ulcers. It is unclear why duodenal ulcers rarely recur in the absence of reinfection with H. pylori or NSAID treatment. Basal, gastrin-releasing peptide- and pentagastrin-stimulated peak acid outputs in patients with ulcer relapse after H. pylori e... | 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 epithelium-dependent bronchodilatory activity preserved in pig bronchioles after normothermic cardiopulmonary bypass? | [
"Analogous to vascular endothelium, bronchial epithelium modulates bronchomotor activity by releasing epithelium-derived relaxing factors. Cardiopulmonary bypass (CPB) is associated with endothelial dysfunction. We examined whether CPB may be associated with bronchiolar epithelial dysfunction in pigs. Pigs were exp... | [
"To investigate the effects of intestinal ischemia and reperfusion (I/R) on the pulmonary vascular endothelium and smooth muscle. Respiratory failure is an important cause of death and complications after intestinal I/R. Although the mechanism of respiratory failure in this setting is complex and poorly understood,... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Are children goldfish -- mark/recapture techniques and their application to injury data? | [
"Mark/recapture (or capture-recapture) is a simple technique commonly applied to estimate the hypothetical total (including undercount) in a register composed of cases from two or more independent and separately incomplete case lists. This paper seeks to illustrate serious drawbacks in the use of the mark/recapture... | [
"This article aims to promote a better understanding of the nature of measurement, the special problems posed by measurement in the social sciences, and the inevitable limitations on inferences in science (so that results are not overinterpreted), by using the measurement of blood pressure as an example. As it is n... | 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 stent design favorably influence the vascular response in normal porcine coronary arteries? | [
"The purpose of this study was to compare the arterial response following implantation of a stainless-steel, balloon-expandable, tubular slotted stent with that of a novel computer-designed, multi-cellular stent in normal porcine coronary arteries. Intracoronary stent placement has evolved into the primary strategy... | [
"This study examined whether sirolimus-eluting stent (SES) implantation may affect endothelial vasomotor dysfunction in resistance and epicardial infarct-related coronary arteries in acute myocardial infarction (AMI). Myocardial ischemia-reperfusion causes endothelial injury entirely in the vasculature of the infar... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Do veteran athletes exercise at higher maximum heart rates than are achieved during standard exercise ( stress ) testing? | [
"The stress electrocardiogram (sECG) is routinely used to screen individuals for underlying cardiac pathology before an exercise programme is prescribed. The underlying assumption is that the cardiac responses elicited during the sECG test are similar to those achieved during participation in sporting activities. H... | [
"Whether or not isolated endurance training of the respiratory muscles improves whole-body endurance exercise performance is controversial, with some studies reporting enhancements of 50% or more, and others reporting no change. Twenty fit (VO2 max 56.0 ml/kg/min), experienced cyclists were randomly assigned to thr... | 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 b lymphopenia in uremia related to an accelerated in vitro apoptosis and dysregulation of Bcl-2? | [
"Lymphopenia has been described in patients with chronic renal failure (CRF). It is postulated that the decline in lymphocytes is due to accelerated apoptosis. We investigated whether dysregulation of programmed cell death plays a role in the immunodeficiency described in CRF. Peripheral blood lymphocytes (PBL) fro... | [
"Mucosa-associated lymphoid tissue (MALT) lymphoma comprises approximately 8% of all non-Hodgkin lymphomas and is the most common lymphoma in the gastro-intestinal tract. It is caused by genetic abnormalities or bacterial infections/chronic inflammation. B-cell lymphoma/leukemia 10 (BCL10) overexpression and nuclea... | 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 intradialytic glucose infusion increase polysulphone membrane permeability and post-dilutional haemodiafiltration performances? | [
"During real-time monitoring of the ultrafiltration coefficient (Kuf) in haemodiafiltration (HDF), it was noticed that the ultrafiltration performance of polysulphone membrane dialysers increased when hypertonic glucose (D50%) was administered through the venous blood return. This observation was explored in six no... | [
"Protein-calorie malnutrition is present in 30-50% of dialysis patients. The lack of biocompatibility of the dialysis membrane, which results in low-grade inflammation, could be responsible for this malnutrition. We investigated whether protein-energy malnutrition could be partly due to incompatibility of the dialy... | 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 galectin 1 involved in vascular smooth muscle cell proliferation? | [
"Smooth muscle cell (SMC) migration and proliferation are the key steps in the development of atherosclerosis and restenosis. Matricellular proteins have been implicated in cell adhesion, migration and proliferation. Here we investigated the role of the matricellular protein galectin-1 (Gal-1), a beta-galactoside-b... | [
"Does NEDD8-mediated neddylation regulate human endometrial stromal proliferation and decidualization?"
] | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Do t cells expressing the gamma delta T cell receptor induce apoptosis in cardiac myocytes? | [
"Enterovirus infections are major etiological factors in myocarditis and dilated cardiomyopathy. Using an experimental murine model of this disease, previous studies have shown that myocarditis susceptibility depends upon activation of T lymphocytes expressing the gamma delta T cell receptor (TcR), and that only mo... | [
"AGM-1470 is a newly synthesized molecule developed as an analog of the potent anti-angiogenic fumagillin. Its efficacy in restraining tumor growth in vivo and the absence of major side effects have already led to phase I clinical trials in patients with solid cancers. However, neither the exact mechanisms of actio... | 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 youth perceptions of comprehensive adolescent health services through the Boston happen program? | [
"The Boston HAPPENS (HIV Adolescent Provider and Peer Education Network for Services) program is a collaborative network of care made up of 8 organizations that serve youth and provide coordinated care for human immunodeficiency virus (HIV)-positive, homeless, and at-risk youth aged 12 to 24 years. Learning youth p... | [
"To provide an update on the representational approach to patient education. The representational approach to patient education to guide a wide-range of educational interventions. Four intervention trials based on the representational approach are discussed: the representational intervention to decrease cancer pain... | 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 area under the serum creatinine time-curve a strong predictor of chronic renal allograft rejection? | [
"A number of risk factors for chronic renal allograft rejection have been identified; in particular the number and severity of acute rejections, hypertension, hyperlipidemia, and insufficient immunosuppression. In a retrospective case control study, all histologically confirmed cases of chronic rejection (n=45) tha... | [
"Apart from their important role in mediating calcium homeostasis, vitamin D derivatives regulate numerous vitamin D receptor-mediated renoprotective cellular functions including cell differentiation, negative regulation of inflammation, and fibrosis. Renal models of chronic kidney injury and clinical observational... | 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 early increased chemokine expression and production in murine allogeneic skin grafts mediated by natural killer cells? | [
"Increased expression of chemokine mRNA is observed in allogeneic but not syngeneic skin grafts 3-4 days after transplantation. The recipient cells mediating this early inflammatory response in allografts remain unidentified. Isogeneic and allogeneic skin grafts were transplanted to euthymic and athymic nude mice. ... | [
"IL-6 is an inflammatory cytokine that controls effector T cell responses but the mechanisms by which it controls allogeneic immune responses and vascular rejection that leads to transplant arteriosclerosis (TA) are poorly understood. We have examined the mechanism by which IL-6 contributes to the pathogenesis of v... | 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 lubricin a product of megakaryocyte stimulating factor gene expression by human synovial fibroblasts? | [
"The boundary lubricating ability of human synovial fluid has been attributed to lubricin, a mucinous glycoprotein. We investigated the primary structure of lubricin and its cellular origin. Lubricin was purified from pooled synovial fluid aliquots with normal lubricating activity obtained from patients with osteoa... | [
"To characterize the molecular changes that occur in normal fibroblasts, adhesion fibroblasts, and mesothelial cells as a result of exposure to modified hyaluronic acid and carboxymethylcellulose (Seprafilm). University research laboratory. Human mesothelial and fibroblast cell culture. Multiplex reverse transcript... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant paragraphs:",
"pos": "Represent the Biomedical paragraph for retrieval:",
"neg": "Represent the Biomedical paragraph for retrieval:"
} |
Do igG antibodies to type II collagen reflect inflammatory activity in patients with rheumatoid arthritis? | [
"To determine the clinical significance of IgG antibodies to type II collagen (CII) and to define any correlation of antibodies to CII with the inflammatory response in patients with rheumatoid arthritis (RA). IgG antibodies to native human type II collagen (IgG anti-CII) were measured in sera and synovial fluid (S... | [
"Is there a non-invasive biomarker for the diagnosis of testicular inflammatory 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 methylation of the estrogen receptor-alpha gene promoter selectively increased in proliferating human aortic smooth muscle cells? | [
"Atherosclerosis is a multigenic process leading to the progressive occlusion of arteries of mid to large caliber. A key step of the atherogenic process is the proliferation and migration of vascular smooth muscle cells into the intimal layer of the arterial conduit. The phenotype of smooth muscle cells, once withi... | [
"The functional changes associated with endothelial senescence may be involved in human aging and age-related vascular disorders. Since the inflammatory cytokine interleukin (IL-)1 inhibits endothelial growth, we evaluated the expression of IL-1alpha, IL-1beta and their antagonist, the IL-1 receptor antagonist (IL-... | 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 sphingosine 1-phosphate induce sinus tachycardia and coronary vasoconstriction in the canine heart? | [
"Sphingosine 1-phosphate is a naturally occurring biologically active lysophospholipid. Recent studies suggested that sphingosine 1-phosphate is released into the blood flow from activated platelets upon stimulation to exert multiple biological phenomenon. The purpose of this study was to assess the effects of sphi... | [
"The role of the nitric oxide/cGMP/cGMP-dependent protein kinase G pathway in myocardial protection and preconditioning has been the object of intensive investigations. The novel soluble guanylate cyclase activator cinaciguat has been reported to elevate intracellular [cGMP] and activate the nitric oxide/cGMP/cGMP-... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is response to methotrexate in early rheumatoid arthritis associated with a decrease of T cell derived tumour necrosis factor alpha , increase of interleukin 10 , and predicted by the initial concentration of interleukin 4? | [
"This study was performed to assess whether there is any change in the T cell cytokine pattern in early rheumatoid arthritis (RA) patients treated with methotrexate (MTX) and whether the lymphocytic cytokine pattern correlates with disease activity. Eight patients with RA (disease duration < six months) were studie... | [
"To investigate whether the immunomodulatory capacities of leflunomide are associated with clinical efficacy in the treatment of primary Sjögren's syndrome (SS) in a phase II pilot study. Peripheral blood mononuclear cells from 13 primary SS patients were obtained at baseline and after 24 weeks of leflunomide treat... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Do psychiatric symptoms and distress differ between patients with postherpetic neuralgia and peripheral vestibular disease? | [
"No previous studies have investigated the psychiatric characteristics of patients with postherpetic neuralgia (PHN). Similarly, no studies have been performed on patients with different chronic somatic symptoms due to a defined medical disease to compare the characteristics of psychiatric morbidity associated with... | [
"The distinction between neuropathic and non-neuropathic pain reflects partially distinct mechanisms and patterns of treatment response. It was therefore hypothesized that patients with neuropathic and non-neuropathic pain have different profiles of symptoms and signs. To test this hypothesis, pain intensity, unple... | 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 depression strongly associated with alexithymia in the general population? | [
"This study examines how alexithymia and depression are related to each other in men and women in a sample of Finnish general population (n = 2018). Alexithymia was screened using the 20-item version of the Toronto Alexithymia Scale. Level of depression was assessed using the 21-item Beck Depression Inventory (BDI)... | [
"Vitamin D plays an important role in brain development and functioning. Low levels of vitamin D have been described in several psychiatric and neurologic conditions including autism spectrum disorder. Alexithymia that shows high comorbidity with autism is also present in the general population as well as hypovitam... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Do endothelin-dependent effects limit flow-induced dilation of conductance coronary vessels after blockade of nitric oxide formation in conscious dogs? | [
"To determine whether endothelin (ET)-dependent effects limit shear stress-induced dilation of large epicardial coronary arteries after blockade of nitric oxide (NO) formation. In conscious dogs instrumented for measuring coronary blood flow (CBF) and external diameter (CD) of the circumflex coronary artery, flow-d... | [
"Behavioral stress has been proposed to contribute to the occurrence of myocardial ischemia. Objective To investigate the effect of chronic exposure to behavioral stress on the function and structure of the coronary artery of borderline hypertensive rats (BHR). BHR were either exposed to an air-jet stress for 2 h/d... | 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 optimal debulking surgery an independent prognostic factor in patients with FIGO IIIC primary epithelial ovarian carcinoma? | [
"Ovarian cancer is a well-known disease with a poor prognosis. Due to the relatively small number of cases in Taiwan, the outcome and prognostic factors of patients with primary epithelial ovarian carcinoma are unknown. We retrospectively studied patients with proven surgical and pathologic (Federation Internationa... | [
"To explore the association between epithelial ovarian cancer (EOC) and common benign gynecological disorders. The medical records of 226 patients with EOC treated at Peking Union Medical College Hospital between March 2011 and March 2012 were reviewed. Histological evaluations had been performed to determine the p... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant paragraphs:",
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"neg": "Represent the Biomedical paragraph for retrieval:"
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Does resection with cryotherapy of colorectal hepatic metastases have the same survival as hepatic resection alone? | [
"Hepatic resection is well established as a potentially curative treatment for hepatic colorectal cancer metastases. However, only a small proportion of patients with liver metastases are suitable for resection because they either have extrahepatic disease, or the extent and/or the distribution of their hepatic dis... | [
"The role for repeat pulmonary metastasectomy for colorectal carcinoma has not been well defined. To identify the class of patients who benefit from pulmonary resection of recurrent pulmonary metastases, we herein reviewed our institutional experience. Between 1990 and 2007, 84 patients with pulmonary metastases fr... | 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 treatment of established tumor associated with ICAM-1 upregulation and reversed by CD8 depletion in a tumor necrosis factor-alpha gene transfected mouse mammary tumor? | [
"We have performed TNF-alpha gene transfection in a mouse mammary cancer line and found significant antitumor effects. We hypothesize that the antitumor effects observed in this model are mediated by ICAM-1 and by the recruitment of CD4+ and CD8+ T cells. In vivo (Balb/c mice) tumor growth inhibition, treatment of ... | [
"Osteosarcoma is the most common primary malignancy of bone, and patients often develop pulmonary metastases. In a previous study, tumor necrosis factor (TNF)-α treatment of human osteosarcoma cells increases their metastatic ability in an animal model. TNF-α can act as a tumor necrosis factor and also as a tumor-p... | 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 specific angiotensin II receptor blockage improve intestinal perfusion during graded hypovolemia in pigs? | [
"To investigate the potential of specific angiotensin II subtype 1 (AT1) receptor blockade to modify the mesenteric hemodynamic response to acute hypovolemia and retransfusion. Prospective, randomized, controlled experimental study. University-affiliated animal research laboratory. Fasted, anesthetized, ventilated,... | [
"Ischaemic renal dysfunction is present in many clinical settings, including cardiovascular surgery. Renal hypoperfusion seems to be the most important pathophysiologic mechanism. Arginine plasma levels are rate limiting for NO synthesis, and low arginine plasma levels are seen after major vascular surgery. to esta... | 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 paroxetine affect metoprolol pharmacokinetics and pharmacodynamics in healthy volunteers? | [
"To investigate the effect of multiple-dose paroxetine intake on the stereoselective pharmacokinetics and the pharmacodynamics of metoprolol. We conducted an open trial with two sessions in eight healthy male volunteers. Racemic metoprolol (100 mg single oral dose) was administered before and after paroxetine treat... | [
"Elevated plasma histamine levels are considered to play a part in the pathophysiology of hemodialysis-related pruritus. However, antihistaminic therapy often fails to provide sufficient relief. Elevated serotonin levels in patients on dialysis therapy have also been described but the effects of 5-HT3 receptor anta... | 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 right atrial pressure predict hemodynamic response to apneic positive airway pressure? | [
"To evaluate if the preexistant filling state, assessed by right atrial pressure (RAP), pulmonary artery occlusion pressure (PAOP), and right ventricular end-diastolic volume index (EDVI), would define the subsequent hemodynamic effects of increases in airway pressure (Paw). Prospective open clinical study. Postope... | [
"In acute respiratory failure, gas exchange improves with spontaneous breathing during airway pressure release ventilation (APRV). The mechanisms for this improvement are not fully clear. We have shown that APRV with spontaneous breathing reopens nonaerated lung tissue in dorsal juxtadiaphragmatic regions. We hypot... | 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 incentive spirometry enhance recovery after thoracic surgery? | [
"To investigate the additional effect of incentive spirometry to chest physiotherapy to prevent postoperative pulmonary complications after thoracic surgery for lung and esophageal resections. Randomized controlled trial. University hospital, intensive care unit, and surgical department. Sixty-seven patients (age, ... | [
"Hand-assisted Thoracoscopic Surgery (HATS) is a novel minimally invasive technique for performing procedures conventionally performed by posterolateral thoracotomy. HATS overcomes a major drawback of thoracoscopic surgery in allowing full manual palpation of the lungs via a subcostal (mini-Kocher's) incision under... | 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 molecular characterization of HHV-8 positive primary effusion lymphoma reveal pathogenetic and histogenetic features of the disease? | [
"Primary effusion lymphoma (PEL) associates with HHV-8 infection, preferentially develops in immunodeficient patients and grows in the serous body cavities. PEL derives from post-germinal center, pre-terminally differentiated B-cells. The pathogenesis of PEL is unclear and the sole identified genetic lesions are hu... | [
"Double-hit lymphomas (DHL) with chromosomal rearrangements affecting the avian myelocytomatosis viral oncogene homolog (cMYC) and either the B-cell lymphoma-2 (BCL2) or -6 (BCL6) locus are uncommon neoplasms with an aggressive clinical course and dismal prognosis. Most cases exhibit a phenotype intermediate betwee... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Are memory disturbances in `` Ecstasy '' users correlated with an altered brain serotonin neurotransmission? | [
"Methylenedioxymethamphetamine (MDMA) is known to damage brain pre-synaptic serotonin (5-HT) neurons. Since loss of 5-HT neurons has been implicated in memory loss, it is important to establish whether MDMA use may produce changes in postsynaptic 5-HT receptors and memory function in humans. To investigate whether ... | [
"The involvement of serotonin in aggression has traditionally been attributed to impaired prefrontal serotonergic inhibitory control of emotional reactions to provocations in antisocial individuals. However, it is unclear which specific serotonergic receptors are involved in the effects. A large body of preclinical... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is amphetamine-induced activation of forebrain EEG prevented by noradrenergic beta-receptor blockade in the halothane-anesthetized rat? | [
"Amphetamine (AMPH)-like stimulants represent an intensively studied class of psychoactive drugs. Despite the well-known and potent arousal-enhancing effects of these drugs, the neurobiological substrates of AMPH-induced arousal have rarely been examined explicitly. Activity of the locus coeruleus-noradrenergic sys... | [
"The effects of long-term administration of the tricyclic antidepressant agent desipramine on the hypnotic, antinociceptive, anesthetic-sparing, and central norepinephrine turnover suppressant action of short-term dexmedetomidine, a highly selective alpha2-adrenergic agonist, were studied in rats. Rats were given a... | 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 lactose enhance calcium bioavailability in lactose-tolerant , healthy adults? | [
"There is evidence from animal studies that lactose has a beneficial effect on intestinal calcium absorption. However, data concerning the effect of lactose on calcium absorption in lactose-tolerant adults are inconclusive. Our objective was to investigate the effect of lactose on calcium bioavailability in humans ... | [
"What are the associations between the dietary intake of antioxidant nutrients and semen parameters in young men?"
] | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Are postprandial chylomicrons and VLDLs in severe hypertriacylglycerolemia lowered more effectively than are chylomicron remnants after treatment with n-3 fatty acids? | [
"n-3 Fatty acids lower plasma triacylglycerols not only in the fasting state but also in the postprandial state. However, it is not known whether chylomicrons, chylomicron remnants, and VLDLs are all affected equally or whether some lipoprotein species are lowered preferentially. Lipoproteins, including large and s... | [
"Postprandial hyperlipidaemia is known to be a high-risk factor for atherosclerotic disease because of rapid and lasting accumulations of triglyceride-rich lipoproteins and remnants. The Niemann-Pick C1-Like 1 (NPC1L1) protein acts as an intestinal cholesterol transporter and ezetimibe, which inhibits NPC1L1, has b... | 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 thigh adipose tissue distribution associated with insulin resistance in obesity and in type 2 diabetes mellitus? | [
"Adipose tissue (AT) content of the thigh is generally not considered to be associated with insulin resistance (IR), but it is unclear whether the distribution of AT in the thigh is a determinant of IR. We investigated whether subcompartments of AT within the thigh are determinants of IR. Midthigh AT, muscle compos... | [
"Do teenage girls with a history of menstrual irregularity and/or elevated androgen levels in adolescence exhibit an increased risk of polycystic ovary syndrome (PCOS) and/or infertility later on in adulthood?"
] | 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 age influence early and late tumor-related outcome for bronchogenic carcinoma? | [
"The influence of age on early and late outcome after surgical resection of bronchogenic carcinoma is unknown. In an attempt to clarify this issue, we reviewed the outcome of 212 consecutive patients with primary lung cancer who had surgical treatment for bronchogenic carcinoma. Ninety-two patients were younger tha... | [
"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 passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is overexpression of the 27 KDa heat shock protein associated with thermoresistance and chemoresistance but not with radioresistance? | [
"The heat shock protein (hsp27) correlates with thermotolerance and chemoresistance. Our main objective was to assess the response to radiotherapy both in vitro and in vivo in correlation with various concentrations of hsp27. The second objective was to evaluate the relation between hsp27 and glutathione-s-transfer... | [
"A major therapeutic challenge for breast cancer is the ability of cancer cells to evade killing of conventional chemotherapeutic agents. We have recently reported the actin-bundling protein (fascin) as a major regulator of breast cancer metastasis and survival. Survival of breast cancer patients that received chem... | 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 propofol directly depress lumbar dorsal horn neuronal responses to noxious stimulation in goats? | [
"We tested the hypothesis that propofol, acting in the brain, would either enhance, or have no effect, on lumbar dorsal horn neuronal responses to a noxious mechanical stimulus applied to the hindlimb. We recorded the response of lumbar dorsal horn neurons during differential delivery of propofol to the brain and t... | [
"The protein kinase mammalian target of rapamycin (mTOR) regulates mRNA translation and is inhibited by rapamycin. Signaling pathways involving mTOR are implicated in physiological and pathophysiological processes. We determined the spinal effects of the rapamycin analogue cell cycle inhibitor (CCI)-779 on neuronal... | 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 iL-10 and antibodies to TGF-beta2 and PDGF inhibit RPE-mediated retinal contraction? | [
"Retinal pigment epithelial (RPE) cells are believed to play a pivotal role in the formation and contraction of epiretinal membranes in proliferative vitreoretinopathy (PVR). In the present study, an organ culture method was used that mimics the contractile stage of PVR, to investigate the contribution of a variety... | [
"The efficacy of the peptide Ac-EEED on reducing cell adhesion and proliferation in vitro and choroidal neovascularization (CNV) in vivo was examined. The peptide chimera containing the Ac-EEED sequence was chemically linked to the N terminus of the XMTM delivery peptide from the E(rns) viral surface protein. Ac-EE... | 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 an update in the palliative management of malignant dysphagia? | [
"Oesophageal cancer is generally associated with late presentation and poor prognosis. Therefore palliative surgery has been largely superseded by less invasive non-surgical techniques. Once palliation is indicated, the aims of the management should be: the maintenance of oral intake, minimizing hospital stay, reli... | [
"Is there a non-invasive biomarker for the diagnosis of testicular inflammatory lesions?"
] | 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 iCAM-1 deficiency suppress host allosensitization and rejection of MHC-disparate corneal transplants? | [
"We used a murine model of orthotopic corneal transplantation to determine whether host deficiency in ICAM-1 promotes survival of corneal grafts with different degrees of allodisparity. ICAM-1-/- and wild-type C57BL/6 (ICAM-1+/+) received corneal grafts from the following strains of mice: BALB/c (fully mismatched),... | [
"Clinical application of islet transplantation to treat type 1 diabetes has been limited by islet allograft destruction by both allogeneic and autoimmune diabetogenic T-cell responses. The current study aims at determining whether an anti-T-cell receptor (TCR) monoclonal antibody (mAb) has potential as a novel and ... | 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 induced-hyperglycemia attenuate erythromycin-induced acceleration of hypertonic liquid-phase gastric emptying in type-I diabetic patients? | [
"Erythromycin has been found to be a gastrointestinal prokinetic agent of hypertonic liquids, while acute hyperglycemia has been associated with delayed gastric emptying in diabetic patients. To investigate whether hyperglycemia, per se, reduces gastric motility during erythromycin-induced acceleration on gastric e... | [
"Although ketamine has many beneficial effects in a rat model of noninfectious inflammation with lipopolysaccharide (LPS), its effects on gut ileus are unknown. We hypothesized that ketamine would improve LPS-induced ileus and therefore examined its effects on gastric emptying and intestinal transit as well as duod... | 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 aged mice exhibit greater mortality concomitant to increased brain and plasma TNF-alpha levels following intracerebroventricular injection of lipopolysaccharide? | [
"Age-related defects in the development of peripheral inflammatory responses have been observed in rodents and humans. We examined the effects of age on a centrally injected endotoxin-induced cytokine production and cellular activation in mice. Male C57BL/6J (B6) mice, C3H/HeN mice, and C3H/HeJ mice received an int... | [
"The acylethanolamides oleoylethanolamide and palmitoylethanolamide are endogenous lipid mediators with proposed neuroprotectant properties in central nervous system (CNS) pathologies. The precise mechanisms remain partly unknown, but growing evidence suggests an antiinflammatory/antioxidant profile. We tested whet... | 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 radiofrequency application to the posteroseptal region alter retrograde accessory pathway activation? | [
"Radiofrequency applications to the posteroseptal region can ablate the atrioventricular accessory pathway residing in this area. In conjunction with the adjacent anatomic structures, however, ablative lesions which do not effectively ablate the accessory pathway could markedly alter retrograde atrial activation se... | [
"The importance of anatomic barriers in the atrial flutter reentry circuit has been well demonstrated in canine models. It has been shown previously that the crista terminalis and its continuation as the eustachian ridge form a posterior barrier. In this study we tested the hypothesis that the tricuspid annulus for... | 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 off-pump bypass graft operation significantly reduce oxidative stress and inflammation? | [
"This study investigated whether off-pump coronary bypass graft operations on the beating heart under normothermic conditions reduces the systemic oxidative stress and inflammatory reaction seen in patients operated under cardiopulmonary bypass (CPB). A cardiac stabilizer (Octopus Tissue Stabilizer; Medtronic Inc, ... | [
"Uremia-associated immune deficiency is a well-known complication of loss of renal function and contributes significantly to the overall mortality and morbidity of patients with end-stage renal disease. Chronic inflammation and increased oxidative stress are underlying the uremia-associated immune deficiency."
] | 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 lazaroid reduce production of IL-8 and IL-1 receptor antagonist in ischemic spinal cord injury? | [
"21-aminosteroids (lazaroids) have demonstrated the protective effect against cerebral ischemic injury through the inhibition of lipid peroxidation. We examined whether lazaroids affected the production of proinflammatory and antiinflammatory cytokines in ischemic spinal cord injury model. Anesthetized New Zealand ... | [
"Acute pancreatitis (AP) is an inflammatory disease of the pancreas characterized by local inflammation. Secretory phospholipases A-II (sPLA2-II) have been implicated in triggering AP, but their exact role to evoke AP is largely unknown. NF-kB activation has previously been shown to induce acute pancreatitis. The a... | 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 organ system failures predict prognosis in critically ill patients with acute renal failure requiring dialysis? | [
"Despite the widespread availability of dialytic and intensive care unit technology, the probability of early mortality in critically ill patients with acute renal failure is still high. Previous efforts to predict the outcome in this population have been limited by small sample sizes. In addition, data obtained de... | [
"Hypophosphatemia is common in critically ill patients and has been associated with generalized muscle weakness, ventilatory failure and myocardial dysfunction. Continuous renal replacement therapy causes phosphate depletion, particularly with prolonged and intensive therapy. In a prospective observational cohort o... | 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 newborn circumcision decrease incidence and costs of urinary tract infections during the first year of life? | [
"To assess the effect of newborn circumcision on the incidence and medical costs of urinary tract infection (UTI) during the first year of life for patients in a large health maintenance organization. Kaiser Permanente Medical Care Program of Northern California (KPNC). The population consisted of members of KPNC. ... | [
"Previous studies reported that breast-feeding protects children against a variety of diseases, but these studies were generally conducted on \"high-risk\" or hospitalized children. This paper describes the results of our study on the effects of breast-feeding on rate of illness in normal children with a family his... | 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 elf-pulsed magnetic fields modulate opioid peptide gene expression in myocardial cells? | [
"Magnetic fields have been shown to affect cell proliferation and growth factor expression in cultured cells. Although the activation of endorphin systems is a recurring motif among the biological events elicited by magnetic fields, compelling evidence indicating that magnetic fields may modulate opioid gene expres... | [
"Low-level laser therapy (LLLT) has been reported to relieve pain with minimal side effects. Recent studies have demonstrated that opioid-containing immune cells migrate to inflamed sites and release beta-endorphins to inhibit pain as a mode of peripheral endogenous opioid analgesia. The present study investigates ... | 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 adenoma size and number predictive of adenoma recurrence : implications for surveillance colonoscopy? | [
"Three-year colonoscopic surveillance after initial polypectomy may not be required for all patients. Those with multiple baseline polyps and large adenomas, implicated as predictors of colon cancer, merit close observation. Conversely, patients with single small adenomas may be subjected to early endoscopic survei... | [
"Endometrial biopsy (EMBx) and colonoscopy performed under the same sedation is termed combined screening and has been shown to be feasible and to provide a less painful and more satisfactory experience for women with Lynch syndrome (LS). However, clinical results of these screening efforts have not been reported. ... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
Do cell-surface estrogen receptors mediate calcium-dependent nitric oxide release in human endothelia? | [
"Although estrogen replacement therapy has been associated with reduction of cardiovascular events in postmenopausal women, the mechanism for this benefit remains unclear. Because nitric oxide (NO) is considered an important endothelium-derived relaxing factor and may function to protect blood vessels against ather... | [
"The endocardial endothelium that lines the inner cavity of the heart is distinct from the microvascular endothelial cells and modulates cardiac muscle performance in a manner similar to the vascular endothelial modulation of vascular structure and vasomotor tone. Although the modulatory effects of endocardial endo... | 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 addition of inulin to breakfast acutely affect serum ionized calcium and parathyroid hormone concentrations? | [
"The aim of the present study was to investigate the effects of inulin on calcium metabolism. The study consisted of two separate parts both of which had a randomized two-period cross-over design. Fifteen young healthy women volunteered to participate in this study. During the first part of the study, cheese contai... | [
"Treatment with olanzapine (atypical antipsychotic drug) is frequently associated with various metabolic anomalies, including obesity, dyslipidemia, and diabetes mellitus. Recent data suggest that olanzapine orally disintegrating tablets (ODT), which dissolve instantaneously in the mouth, might cause less weight ga... | 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 ring annuloplasty prevent delayed leaflet coaptation and mitral regurgitation during acute left ventricular ischemia? | [
"Incomplete mitral leaflet coaptation during acute left ventricular ischemia is associated with end-diastolic mitral annular dilatation and ischemic mitral regurgitation. Annular rings were implanted in sheep to investigate whether annular reduction alone is sufficient to prevent mitral regurgitation during acute p... | [
"Long-term survival after atrioventricular septal defect repair is excellent; however, postoperative left atrioventricular valve regurgitation affects morbidity and quality of life. Left atrioventricular valve regurgitation is the most common reason for reoperation after repair and it is critical that clinicians re... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is re-creation of sinuses important for sparing the aortic valve : a finite element study? | [
"The treatment of choice for aortic valve insufficiency due to root dilatation has become root replacement with aortic valve sparing. However, root replacement with a synthetic graft may result in altered valve stresses. The purpose of this study was to compare the stress/strain patterns in the spared aortic valve ... | [
"Stem cells have multiple ways of differentiating and restoring healing. This feature may recommend their usage for decreasing the incidence of anastomotic fistulas in the colon in case of colorectal malignancy. To determine whether stem cells are improving digestive healing, we performed a literature review using ... | 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 spleno-renal shunt blood flow an accurate index of collateral circulation in different models of portal hypertension and after pharmacological changes in rats? | [
"Recently, we developed a new method to measure collateral blood flow in rats: splenorenal shunt (SRS) blood flow (BF). The aims were to evaluate the reproducibility of SRSBF measurement in different models of portal hypertension, and to investigate the ability of SRSBF to disclose pharmacological changes. Hemodyna... | [
"Extended partial hepatectomy (PH) in patients is leading to portal hyperperfusion but reduced hepatic arterial perfusion (HAP), and is invariably causing focal hepatic venous outflow obstruction (FHVOO). We observed in a rat model that PH in combination with right median hepatic vein ligation (RMHV-L) caused confl... | 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 serum laminin and type IV collagen accurate markers of histologically severe alcoholic hepatitis in patients with cirrhosis? | [
"Severe alcoholic hepatitis occurs mainly in patients with cirrhosis, and has a high death rate. Corticosteroid therapy has been particularly advocated as reducing mortality in patients with severe histologic lesions. However, identification of these patients is difficult, requiring transvenous liver biopsy. Extrac... | [
"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 cocaine abusers show a blunted response to alcohol intoxication in limbic brain regions? | [
"Cocaine and alcohol are frequently used simultaneously and this combination is associated with enhanced toxicity. We recently showed that active cocaine abusers have a markedly enhanced sensitivity to benzodiazepines. Because both benzodiazepines and alcohol facilitate GABAergic neurotransmission we questioned whe... | [
"Erythropoietin (Epo) has neuroprotective and neurotrophic effects in animal models and affects cognitive and associated neural responses in humans. These effects have highlighted Epo as a candidate for treatment of psychiatric disease including schizophrenia and depression. The current study aimed to explore the 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 bladder stretch alter urinary heparin-binding epidermal growth factor and antiproliferative factor in patients with interstitial cystitis? | [
"The etiology of interstitial cystitis is unknown. Urine from patients with interstitial cystitis has been shown to inhibit urothelial proliferation through a putative antiproliferative factor and to contain decreased levels of heparin-binding epidermal growth factor-like growth factor (HB-EGF) compared to controls... | [
"We investigated the role of Tamm-Horsfall protein in interstitial cystitis. Urinary Tamm-Horsfall protein excretion was analyzed in interstitial cystitis patients and controls, and bladder biopsy specimens were stained immunohistochemically for Tamm-Horsfall protein. Urinary Tamm-Horsfall protein levels in 28 wome... | 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 aPOE-epsilon4 associated with memory decline in cognitively impaired elderly? | [
"To investigate whether the association between APOE-epsilon4 and memory decline is modified by baseline cognition and age in a population-based elderly sample. The study sample consisted of 1,243 subjects, 62 to 85 years old, with a Mini-Mental State Examination (MMSE) score between 21 and 30 and known APOE phenot... | [
"Recent findings suggest that Alzheimer's disease (AD) neuropathological features (neuritic plaques and NFTs) are not strongly associated with dementia in extreme old (over 90 years of age) and compel a search for neurobiological indices of dementia in this rapidly growing segment of the elderly population. We soug... | 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 the rate and anisotropy of impulse propagation in the postnatal terminal crest correlated with remodeling of Cx43 gap junction pattern? | [
"Disruptions to intermyocyte coupling have been implicated in arrhythmogenesis and development of conduction disturbances. At present, understanding of the relationship between the microscopic organization of intercellular coupling and the macroscopic spread of impulse in the normal and diseased heart is largely co... | [
"Myelinating Schwann cells compartmentalize their outermost layer to form actin-rich channels known as Cajal bands. Herein we investigate changes in Schwann cell architecture and cytoplasmic morphology in a novel mouse model of carpal tunnel syndrome. Chronic nerve compression (CNC) injury was created in wild-type ... | 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 urodilatin limit acute reperfusion injury in the isolated rat heart? | [
"Hypercontracture is an important mechanism of myocyte death during reperfusion. cGMP modulates the sensitivity of contractile myofilaments to Ca2+, and increasing cGMP concentration during the last minutes of anoxia prevents reoxygenation-induced hypercontracture in isolated cardiomyocytes. The purpose of this stu... | [
"Stroke is the third most common cause of death in industrialized countries. The main therapeutic target is the ischemic penumbra, potentially salvageable brain tissue that dies within the first few hours after blood flow cessation. Hence, strategies to keep the penumbra alive until reperfusion occurs are needed. T... | pubmedqa | {
"query": "Represent the Biomedical query for retrieving relevant passages:",
"pos": "Represent the Biomedical passage for retrieval:",
"neg": "Represent the Biomedical passage for retrieval:"
} |
Is protection of hearts from reperfusion injury by propofol associated with inhibition of the mitochondrial permeability transition? | [
"Diminishing oxidative stress may protect the heart against ischaemia-reperfusion injury by preventing opening of the mitochondrial permeability transition (MPT) pore. The general anaesthetic agent propofol, a free radical scavenger, has been investigated for its effect on the MPT and its cardioprotective action fo... | [
"Cilostazol is a type 3 phosphodiesterase inhibitor which has been previously demonstrated to prevent the occurrence of tachyarrhythmia and improve defibrillation efficacy. However, the mechanism for this beneficial effect is still unclear. Since cardiac mitochondria have been shown to play a crucial role in fatal ... | 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 slow N-acetyltransferase 2 genotype affect the incidence of isoniazid and rifampicin-induced hepatotoxicity? | [
"Japanese in-patients with pulmonary tuberculosis and normal liver function receiving treatment with isoniazid and rifampicin (INH + RMP). To elucidate the relationship between N-acetyltransferase 2 (NAT2) genotype and the incidence of isoniazid + rifampicin-induced hepatotoxicity. Prospective study. After NAT2* ge... | [
"While pharmacotherapy with intravenous ceftriaxone, a third-generation cephalosporin, is a potential treatment of Lyme neuroborreliosis, there is concern that it can cause the formation of biliary sludge, leading to hepatobiliary complications such as biliary colic, jaundice and cholelithiasis, which are reflected... | 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 abciximab reduce mortality in diabetics following percutaneous coronary intervention? | [
"We sought to determine whether abciximab therapy at the time of percutaneous coronary intervention (PCI) would favorably affect one-year mortality in patients with diabetes. Diabetics are known to have increased late mortality following PCI. Data from three placebo-controlled trials of PCI, EPIC, EPILOG, and EPIST... | [
"A prospective study. We estimated the impact of smoking cessation on long-term mortality and the need for a revascularization procedure in 1027 patients undergoing a first-ever coronary artery bypass-grafting."
] | 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 dietary vitamin B6 supplementation prevent ethanol-induced hypertension in rats? | [
"All known pathways of ethanol metabolism result in the production of acetaldehyde, a highly reactive compound. Acetaldehyde has been shown to deplete vitamin B6 in chronic alcoholics. It also binds with sulfhydryl groups of membrane proteins, altering membrane Ca2+ channels and increasing vascular cytosolic free c... | [
"Pharmacological approaches can potentially improve fatty liver condition in alcoholic and non-alcoholic fatty liver diseases. The salutary effects of reducing lipid synthesis or promoting lipid oxidation have been well reported, but the benefits of increasing lipid degradation have yet to be well explored. Macroau... | 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 low-dose radiotherapy selectively reduce adhesion of peripheral blood mononuclear cells to endothelium in vitro? | [
"The anti-inflammatory effect of low-dose radiotherapy (LD-RT) still is not understood. The adhesion of leukocytes to endothelial cells (EC) of the vessel wall is the initial event of tissue invasion, and thus, crucially contributes to the regulation of inflammation. We investigated the influence of LD-RT on the ad... | [
"To evaluate the role of hyaluronic acid in the attachment of endometrial cells to mesothelium. In vitro study of adhesion of endometrial stromal and epithelial cells to mesothelial cells. University medical center. Reproductive-age women without endometriosis undergoing surgery for benign conditions. None. The eff... | 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 recovery from optic neuritis associated with a change in the distribution of cerebral response to visual stimulation : a functional magnetic resonance imaging study? | [
"Recovery to normal or near normal visual acuity is usual after acute demyelinating optic neuritis, despite the frequent persistence of conduction abnormalities as evidenced by the visual evoked potential (VEP). This raises the possibility that cortical adaptation to a persistently abnormal input contributes to the... | [
"Severe stenosis of the internal carotid artery (ICA) has been associated with impaired cognition in patients, but its effect on rapid-onset cortical plasticity is not known. Carotid endarterectomy (CEA) in patients with severe ICA stenosis reduces stroke risk, but the impact on cognition or physiology of the respe... | 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 ara-C affect formation of cancer cell DNA synthesome replication intermediates? | [
"An intact and fully functional multiprotein DNA replication complex (DNA synthesome) from human as well as from murine mammary carcinoma cells was first isolated and characterized in our laboratory. The human cell synthesome supports the in vitro origin-specific simian virus 40 (SV40) DNA replication reaction in t... | [
"ATP-dependent proteases translocate and unfold their substrates. A human virus sequence with only Gly and Ala residues causes similar dysfunctions of eukaryotic and prokaryotic protease motors: unfolding failure."
] | 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 mechanism of formation of bony spur ( enthesophytes ) in the achilles tendon? | [
"To investigate the early stages in the formation of bony spurs in relation to normal enthesis development. Histologic sections of rat Achilles tendons, stained with toluidine blue or Masson's trichrome, were examined in animals ranging from 2 weeks to 1 year of age. Further material prepared for immunohistochemist... | [
"Dactylitis is a hallmark of psoriatic arthritis (PsA) where flexor tenosynovitis is common. This study explored the microanatomical basis of dactylitis using high-resolution MRI (hrMRI) to visualise the small entheses around the digits. Twelve patients with psoriatic dactylitis (4 fingers, 8 toes), and 10 healthy ... | 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 antioxidants attenuate myocyte apoptosis in the remote non-infarcted myocardium following large myocardial infarction? | [
"Increased oxidative stress and myocyte apoptosis co-exist in the remote non-infarcted myocardium (RM) following a large myocardial infarction. We proposed that these phenomena are causally related. On day 3 after induction of myocardial infarction, Sprague-Dawley rats were randomized to receive probucol and pyrrol... | [
"Recent studies suggest that G-CSF prevents cardiac remodeling following myocardial infarction (MI) likely through regeneration of the myocardium and coronary vessels. However, it remains unclear whether G-CSF administered at the onset of reperfusion prevents ischemia/reperfusion injury in the acute phase. We inves... | 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 inhibition of endogenous nitric oxide synthase potentiate ischemia-reperfusion-induced myocardial apoptosis via a caspase-3 dependent pathway? | [
"Apoptosis of cardiomyocytes may contribute to ischemia-reperfusion injury. The role of nitric oxide (NO) in apoptosis is controversial. Therefore, we investigated the effect of NO synthase inhibition on apoptosis of cardiomyocytes during ischemia and reperfusion and elucidated the underlying mechanisms. Isolated p... | [
"Sickle cell disease, a genetic red cell disorder inherited in an autosomal recessive manner, occurs throughout the world. Hepatic dysfunction and liver damage may be present in sickle cell disease, but the pathogenesis of these conditions is only partially understood. Transgenic mice with sickle cell disease (SAD ... | 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 necrosis factor-alpha induce apoptosis via inducible nitric oxide synthase in neonatal mouse cardiomyocytes? | [
"It has been demonstrated that tumor necrosis factor-alpha (TNF alpha) induces apoptosis in cardiac myocytes. However, its mechanism of action is still not well understood. In the present study, we hypothesized that TNF alpha induces myocardial apoptosis by induction of inducible nitric oxide synthase (iNOS). Neona... | [
"Eupatilin (5,7-dihydroxy-3,4,6-trimethoxyflavone) is a pharmacologically active ingredients in Stillen(TM), a drug for the gastric mucosal ulcers. Eupatilin has been known to possess anti-peptic, anti-cancer, and anti-allergy activity. In this report, we defined the effect of eupatilin on the endotoxin-induced inf... | 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 a blood-prostate barrier restrict cell and molecular movement across the rat ventral prostate epithelium? | [
"Blood-epithelial barriers have been described in the testis and epididymis, but the possibility of such barriers in other regions of the male genitourinary tract has received little investigation. The purpose of this study was to use in vivo micro-puncture to determine if the blood-epithelial barrier exists in the... | [
"To investigate the correlation of exogenous estrogens with the expression of FasL in Sertoli cells and the blood-testis barrier during the differentiation and maturation period of Sertoli cells, and to discuss the related factors that influence the blood-testis barrier of pubertal rats. Super-physiological doses o... | 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 heparin-coated circuits prevent renal dysfunction after open heart surgery? | [
"We examined whether heparin-coated (HC) circuits can improve the operative results in patients with chronic renal insufficiency. Elective cardiac surgery was performed in 24 patients with a serum creatinine (Cr) level of at least 1.5 mg/dl. Uncoated circuits were used in 12 patients, and HC circuits were used in 1... | [
"Off-pump coronary artery bypass grafting in patients with left ventricular dysfunction has proven to be advantageous. However, it carries risk of emergency conversion to cardiopulmonary bypass. We have successfully used an intra-aortic balloon pump to prevent such conversion. The objective of the present study was... | 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 intracavernous alprostadil alfadex ( EDEX/VIRIDAL ) effective and safe in patients with erectile dysfunction after failing sildenafil ( Viagra )? | [
"Sildenafil (Viagra), an oral treatment for erectile dysfunction, has proved popular since its introduction in 1998. However, not all patients respond to this form of therapy. Consequently, this study investigated the efficacy of intracavernous alprostadil alfadex (EDEX/VIRIDAL) treatment in patients not responding... | [
"Primary objective of the study was the evaluation of effects of a combination of plant extracts and aminoacids on erectile function (ED). The study was performed as a randomized, placebo-controlled, double-blind, cross-over study. 50 men with moderate ED received a combination of Pycnogenol®, roburins, L-arginine,... | 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 glucose intolerance predicted by low insulin secretion and high glucagon secretion : outcome of a prospective study in postmenopausal Caucasian women? | [
"To study the pathophysiological importance of changes in insulin sensitivity and islet function over time for alterations in glucose tolerance in a randomly selected large group of non-diabetic women aged 57-59 years over a 3-year period. At baseline and at the 3-year follow-up, glucose tolerance (WHO 75 g oral gl... | [
"To investigate glucose metabolism and insulin secretion on patients with pancreatic cancer compared with healthy control subjects. Open study. Linköping University Hospital, Sweden. 44 consecutive patients referred for radical operations for pancreatic carcinoma, and eight healthy age and sex matched volunteers. H... | 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 genetic variation in the 5 ' flanking region of the UCP3 gene associated with body mass index in humans in interaction with physical activity? | [
"In obese French Caucasian subjects we previously described a silent UCP3 Tyr99Tyr mutation, associated with body mass index. We hypothesised that an unknown polymorphism in the vicinity of the gene could contribute to obesity. Morbidly obese subjects were screened for mutations in 1 kb upstream from the UCP3 gene.... | [
"Apolipoprotein A1 (apoA1) is the major apolipoprotein constituent of the high-density lipoprotein (HDL) and is involved in reverse cholesterol transport. Variation in the apoA1 gene might influence the function of the protein and, thus, brain cholesterol metabolism, leading to an increased risk for Alzheimer's dis... | 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 endotoxemia augment neurogenic plasma exudation in guinea pig lungs? | [
"Lipopolysaccharide (LPS) is closely associated with the development of infection-induced deleterious pulmonary reactions. In this study, we investigated the enhancement effects of LPS on tachykinin-mediated plasma exudation in the lungs of guinea pigs. The role of oxidants was also explored. Intravenous LPS (100 m... | [
"To determine the putative role in the modulation of inflammation of a soluble form of Flt-1 (sFlt), a potent vascular endothelial growth factor antagonist, in experimental endotoxemia and sepsis. Randomized prospective experimental study. University medical laboratory. Male C56BL/6 strain mice. We investigated the... | 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 maternal serum levels of macrophage colony-stimulating factor associated with adverse pregnancy outcome? | [
"The aim of this study was the measurement of maternal serum levels of M-CSF throughout pregnancy, in a low risk obstetrical population, to examine the relationship of M-CSF and pregnancy outcome. Maternal serum was obtained at various stages of pregnancy and post partum, M-CSF levels were measured by ELISA, pertin... | [
"To determine if early pregnancy serum biomarkers in high-risk women who develop preeclampsia vary according to risk factor. We performed a secondary analysis of the Maternal-Fetal Medicine Units Network randomized controlled trial of low-dose aspirin for the prevention of preeclampsia in high-risk women. Serum bio... | 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 iL-8 an angiogenic factor in human coronary atherectomy tissue? | [
"Interleukin-8 (IL-8), a CXC chemokine that induces the migration and proliferation of endothelial cells and smooth muscle cells, is a potent angiogenic factor that may play a role in atherosclerosis. Previously, IL-8 has been reported in atherosclerotic lesions and circulating macrophages from patients with athero... | [
"Does the phytochemical compound resveratrol inhibit vascularization of endometriotic lesions?"
] | 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 ten weeks of rapid ventricular pacing create a long-term model of left ventricular dysfunction? | [
"Rapid ventricular pacing produces a reliable model of heart failure. Cessation after 4 weeks of rapid ventricular pacing results in rapid normalization of left ventricular function, but the left ventricle remains persistently dilated. We present novel data that show that prolonged rapid ventricular pacing (10 week... | [
"Cardiac resynchronization therapy using bi-ventricular pacing is proven effective in the management of heart failure (HF) with a wide QRS-complex. In the absence of QRS prolongation, however, device-based resynchronization is reported unsuitable. As an alternative, the present study tests a regenerative cell-based... | 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 the early response genes c-jun and HSP-70 induced in regional cardiac stunning in conscious mammals? | [
"A reversible contractile dysfunction without necrosis after transient myocardial ischemia has been termed stunning. The molecular mechanisms underlying this phenomenon are only now beginning to be unraveled. It is conceivable that the expression of early-response genes may play a crucial role in stunning. The expr... | [
"Stress-induced cardiomyopathy (SIC), also known as takotsubo cardiomyopathy, is an acute cardiac syndrome with substantial morbidity and mortality. The unique hallmark of SIC is extensive ventricular dysfunction (akinesia) involving apical segments with preserved function in basal segments. Adrenergic overstimulat... | 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 paclitaxel-induced apoptosis in non-small cell lung cancer cell lines associated with increased caspase-3 activity? | [
"Our objective was to determine whether paclitaxel-induced apoptosis in human lung cancer cells is Fas dependent. Human lung cancer cell lines were evaluated for morphologic evidence of apoptosis, DNA fragmentation (TUNEL positivity), and caspase-3 activation after paclitaxel treatment. Human lung adenocarcinoma, s... | [
"The five-year survival rates for head and neck squamous cell carcinoma (HNSCC) patients are less than 50%, and the prognosis has not improved, despite advancements in standard multi-modality therapies. Hence major emphasis is being laid on identification of novel molecular targets and development of multi-targeted... | pubmedqa | {
"query": "Represent the Biomedical question for retrieving relevant documents:",
"pos": "Represent the Biomedical document for retrieval:",
"neg": "Represent the Biomedical document for retrieval:"
} |
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