title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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Comparative studies on the structure of reproductive organs of four botryllid ascidians. | Reproductive organs of four botryllid ascidians, Botryllus primigenus, Botryllus schlosseri, Botrylloides violaceus and Botrylloides leachi, were studied histologically. In every species, the egg follicle consisting of an egg and its inner and outer follicles, is attached to the follicle stalk, the vesicle being compos... | 559,771 | [
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[24 hour recording of gastric movements in the conscious dog (author's transl)]. | Gastric movements were monitored in five conscious dogs weighing 9 to 13 kg by extraluminal force transducers (EFTs) which were independently developed and constructed in our own laboratory. After chronically implanting EFTs both in the canine gastric body and antrum we succeeded in making continuous recordings of thei... | 559,860 | [
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[The influence of stimulation of the glossopharyngeal nerve on the gastric inhibitory and excitatory motor reflexes (author's transl)]. | The influence of electrical stimulation of central cut end of the glossopharyngeal nerve on the vagal inhibitory and excitatory reflexes of gastric movements were investigated. Frogs and bullfrogs were employed in all experiments under urethan anaesthesia and also immobilized with 1% solution of d-tubocurarine chloride... | 559,861 | [
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[An extraluminal strain gage force transducer: its construction and implantation (author's transl)]. | 1. Extraluminal strain gage force transducers have been designed and constructed in this laboratory. This device was originally developed to measure contractile force of the heart by Walton et al in 1950, however, we concentrated our effort upon durability and waterproof of the transducer in the present study. 2. Strai... | 559,862 | [
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[Social development and state of the illness in hemophilic boys (author's transl)]. | Data on state of the illness and social development are reported in 43 hemophilic boys. The items cover factor activity, degree of physical handicap, frequency of bleedings and hospitalisations as well as the topic of a psychophysiological mechanism in the genesis of bleedings. Further items of social development perta... | 559,876 | [
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Amatoxins and phallotoxins in Amanita species of the northeastern United States. | The amatoxin and phallotoxin content of some American specimens of green A. phalloides and white A. bisporigera, A. verna and A. virosa was determined. The analytical procedure consisted of extracting the toxins from dried mushroom tissue, defatting, fractionating the toxins by adsorption chromatography on Sephadex LH-... | 559,898 | [
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Retinal detachment treated by argon laser photocoagulation. | Argon laser photocoagulation was applied 2-3 weeks after implantation of episcleral silicone sponges as a second-step operation in 130 cases of retinal detachment. The chorioretinal scar for the occlusion of the tears was obtained exclusively with this procedure. Argon Laser used in cases with pronounced retinal elevat... | 559,923 | [
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Imitation synkinesia and sensory control of movement. | Immitation synkinesia is usually associated with thalamic or parietal lesions. Analysis of three cases shows that the lesions may affect the posterior columns of the spinal cord or even the peripheral nervous system. In our cases, two facts stand out, a large measure of integrity of motor activity and predominant distu... | 559,970 | [
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Polyneuropathy, skin hyperpigmentation, edema, and hypertrichosis in localized osteosclerotic myeloma. | 1 61-year-old man had osteosclerotic myeloma that was localized in the eleventh thoracic vertebral body and associated with sensorimotor polyneuropathy, skin hyperipigmentation, edema, hypertrichosis, gynecomastia, and white nails. Cases of osteosclerotic myeloma with and without polyneuropathy in the literature were r... | 559,975 | [
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Unusual protozoal infestation of the cervical mucus. | The transient colonization of the female genital tract with an unusual multiflagellated protozoan is reported. The presence of active organisms in large numbers in the mucus of the endocervical canal and their absence from the gastrointestinal tract and other areas indicates true colonization rather than contamination.... | 559,988 | [
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Release of adenosine, inosine and hypoxanthine from the isolated guinea pig heart during hypoxia, flow-autoregulation and reactive hyperemia. | In an attempt to test the hypothesis whether adenosine is involved in the regulation of coronary flow adenosine, inosine and hypoxanthine were measured in the effluent perfusate and in the tissue of isolated guinea pig hearts under various experimental conditions. In addition, the release of 14C-adenosine, 14C-inosine ... | 560,002 | [
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Adrenocortical involution in rats during oestrus synchronisation with medroxyprogesterone. | Daily treatment of female rats with medroxyprogesterone acetate in aqueous suspension resulted in adrenocortical atrophy. The doses given were those used for oestrus synchronisation. Intramuscular injections of 2-0 mg medroxyprogesterone acetate were used to investigate the atrophic process. Adrenocortical involution w... | 560,035 | [
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Goblet cells in embryonic intestine: accelerated differentiation in culture. | If duodenal tissue from 14-day chick embryos is cultured in chemically defined medium, more than twice as many goblet cells appear within 48 hours as in intact embryos during the same time. The increase in goblet cell number is further accelerated by 10(-9) molar thyroxine but is prevented by 10(-6) molar hydrocortison... | 560,059 | [
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Catecholamine accumulation in neural crest cells and the primary sympathetic chain. | Catecholamine accumulation in chick embryos of stages 16 to 24 was investigated using formaldehyde-induced fluorescence. Fluorescence first appeared at stage 21 in the anterior sympathetic chain. After L-DOPA treatment, this fluorescence appeared at stage 18. Noradrenaline could not advance the onset of fluorescence or... | 560,119 | [
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Nonrandom frequency distribution of mitoses in rat lobuloaveolar mammary gland epithelium. | A quantitative microscopic technique was employed to examine the distribution of mitotic activity in the rat mammary gland. The frequency distribution of mitoses per unit volume of lobuloalveolar mammary gland epithelium in virgin Lewis/Mai rats at each phase of the estrous cycle were determined and compared to the exp... | 560,125 | [
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Suspected sodium nitroprusside-induced cyanide intoxication. | Sodium nitroprusside-induced cyanide intoxication has been demonstrated in the laboratory animal and has been experienced clinically during induced hypotensive anesthesia. This is a care report of a successful resuscitation of a severe cardiovascular collapse secondary to suspected sodium nitroprusside-induced cyanide ... | 560,140 | [
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Fatal hepatic necrosis after halothane anesthesia in a boy with juvenile rheumatoid arthritis: a case report. | Hepatitis from halothane is usually diagnosed by excluding other possible causes. Whether preexisting hepatic damage, which can occur in certain autoimmune disorders, contraindicates the use of halothane has yet to be proven. The case of a 14-year-old boy with early-onset juvenile rheumatoid arthritis who developed fat... | 560,152 | [
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Hog cholera virus : sensitivity to hydrolytic enzymes. | The actions of trypsin and phospholipase C on th infectivity of Hog Cholera virus (HCV) were studied. Inactivation kinetics reveal a marked decrease of the infectivity of HC virus in the presence of these two agents. The particular sensitivity of this virus towards proteolytic action sheds light on certain of its behav... | 560,170 | [
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Central anticholinergic effects of N-ethyl-2-pyrrolidylmethyl-cyclopentylphenyl glycollate. | The following effects of N-ethyl-2-pyrrolidyl-methyl-cyclopentylphenyl glycollate (PMCG) have been studied: effects on aggressive behaviour in mice and on general behaviour in rats, protective effects against central action of arecoline and nicotine in mice, thermo-regulatory effects in mice, protective action in poiso... | 560,177 | [
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Quadruplet hallucinations. Phenotypic variations of a schizophrenic genotype. | This article provides an in-depth analysis of hallucinations in monozygous quadruplets concordant for schizophrenia. Since all four are genetically identical, deviations among them with regard to various aspects of hallucinations probably represent the effects that nongenetic factors can produce in hallucinating schizo... | 560,180 | [
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Conformational prediction for snake venom toxins and laser Raman scattering of a cardiotoxin from Taiwan cobra (Naja naja atra) venom. | Secondary structure regions in snake venom toxins were predicted using the prediction method of Chou and Fasman (Chou, P. Y., and Fasman, G. D. (1974), biochemistry 13,222) and an averaging scheme assuming structural homology in each type of toxins. The results indicate that, in general, snake toxins contain only some ... | 560,203 | [
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Effect of heparin modification on its activity in enhancing the inhibition of thrombin by antithrombin III. | Studies were conducted to determine the effect of modifying specific functional groups of heparin on its antithrombin III-enhancing activity. The derivatives employed were heparin methyl ester, heparinylglycine and N-desulfated heparin. The carboxyl-modified derivatives increase the rate of inhibition of thrombin by an... | 560,216 | [
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[Effect of lithium chloride on ethanol uptake by rats]. | A selective uptake of ethanol by presenting its 5% solution as the only source of fluid was elaborated in rats for 2 months. It was found that lithium chloride injected intravenously in a dose of 35 mg/kg twice per 24 hours for 14 days depressed the ethanol preference causing a motivation inversion whose mechanism was ... | 560,226 | [
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[Influence of psychotropic substances on elaboration of a defensive conditioned reflex in experimental neurosis]. | Neurosis resulting in alteration of the motor-defense conditioned reflex development occurred in rats subjected to a long-term action of a negative-emotional factor--neighbour-rat's reaction to pain. Benactyzine, diazepam, chlordiazepoxide, and sodium hydroxybutyrate improved the formation of defense conditioned reflex... | 560,227 | [
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The determination of molecular-motion parameters from proton-relaxation-enhancement measurements in a number of Gd(III) - antibody-fragment complexes. A comparative study. | Longitudinal and transverse proton relaxation rates for water in the hydration spheres of Gd(III) bound to the non-immune rabbit IgG fragments Fc (C-terminal half of heavy-chain dimer), pFc' (C-terminal quarter of heavy-chain dimer) and Fab (N-terminal half of heavy and light chain) have been measured at a number of fr... | 560,299 | [
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[Pharmacological studies of Shikon and Tooki. (3) Effect of topical application of the ether extracts and Shiunko on inflammatory reactions]. | Pharmacological effects of topical application of Shiunko, a main prescription of Shikon (Lithospermum Officinale Linńe var. erythrorhizon Maximowicz), were studied in comparison with that of ether extracts of Shikon and Tooki. Ointment of Shikon ether extract (50 mg/site) inhibited markedly an increased vascular perme... | 560,340 | [
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Estrous cycle variations of food and water intake in rats in the heat. | Effects of heat and estrous cycle on food and water intake and on the kinetics of water metabolism were studied in Holtzmann rats, 12 adult females per group. The animals were housed individually in metabolic cages, in series, in a controlled-environment room at (24.5 degrees C) followed by two experimental temperature... | 560,365 | [
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Sera and the in vitro induction of immune responses. III. Adjuvant obtained from gliding bacteria with properties distinct from enteric bacterial lipopolysaccharide. | We have extended our studies on the role of bacterial contamination in the generation of fetal calf sera which support primary in vitro humoral responses by cultured mouse spleen cells. Gram-negative, gliding bacteria were isolated from a strongly supportive sample of fetal calf sera. Medium conditioned by the growth o... | 560,415 | [
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0.09346642,
-0.008831137,
-0.2531356,
-0.06587915,
0.04531098,
0.02137603,
-0.1592225,
-0.008044991,
-0.02692822,
0.104655,
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0.03223663,
-0.2200371,
-0.45004,
-0.3609395,
0.3640923,
0.1625367,
0.19936,
-0.1255554,
... |
Zinc requirement of the young guinea pig. | The zinc requirement and signs of zinc deficiency of the young guinea pig were investigated. One-week-old Hartley guinea pigs were fed low-zinc, semipurified diets with either 30% EDTA-treated casein or 30% EDTA-treated soybean protein as the protein source. Zinc was supplemented as ZnCO3 at 0, 3, 6, 9, 12, and 60 ppm ... | 560,431 | [
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0.2113061,
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0.1175622,
0.03791748,
0.5295836,
-0.00183176... |
Growth orientation of heart cells on nylon monofilament. Determination of the volume-to-surface area ratio and intracellular potassium concentration. | A new method is described for orienting the growth of embryonic chick heart cells as thin annuli about nylon monofilament. Analytical measurements of cell water, intracellular potassium, cell volume, and cell surface area incorporate several new techniques and provide the quantitative basis for characterizing the respe... | 560,487 | [
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0.5431909,
0.1183546,
0.01379814,
-0.... |
[Evoked skin potential reflex during sleep (author's transl)]. | The evoked skin potential reflex (SPR) to a 1-sec tone (80 dB, 1000 Hz) was examined on ten subjects during sleep. The magnitude of evoked SPR was larger than that of spontaneous SPR, and the per cent appearance of SPR showed a cyclic decrease and SPR was never absent in any sleep stages. Thus, contrary to previous stu... | 560,581 | [
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0.00637193,
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0.1794315,
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-... |
Incidences and types of malformations in newborn infants. | The incidence of fetal malformations in a teaching hospital was determined by prospective study of 10,454 consecutively born infants. One or more major malformation was detected in 424 (4-1%) and one or more minor malformation was detected in 680 (6-5%). Major malformations were more common in stillborn infants (14-1%)... | 560,620 | [
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... |
Chicken kidney cell culture in medium without serum. | When chicken kidney cell (CKC) culture in a petri dish was prepared in medium with or without serum and incubated in a humidified incubator at 38 degreesC with no addition of CO2, monolayers of CKCs were formed completely on the 5th day of cultivation. Growth medium used for CKC culture was Eagle's minimum essential me... | 560,632 | [
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0.3662274,
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... |
Memory and cognitive function in man: does the cholinergic system have a specific role? | Interference with cholinergic function produces disruption of memory/cognitive (M/C) performance in both animals and man. It is uncertain whether this disruption is due to a specific relation of cholinergic neurons to M/C functions, or whether the effect is nonspecific, resulting either from alteration of alertness and... | 560,649 | [
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0.2652479,
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0.1646242,
... |
Intracranial involvement of giant-cell arteritis. | Two cases of giant-cell arteritis with cerebral arteritis are presented. The clinical situation and the suggestive but nonspecific angiographic features make the antemortem diagnosis possible. Greater awareness of this entity will facilitate its diagnosis and the institution of effective steroid therapy. | 560,650 | [
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0.04750099,
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0.09425245,
0.00494503... |
DDT and DDE in the blood and diet of eskimo children from Hooper Bay, Alaska. | An analysis of the levels of DDT and DDE in the blood of some Alaskan Eskimo children and in the fat of some local marine mammals taken for food suggests that the children's pesticide burdin is only modestly lower than that of other American children. Authors suggest that some other food source, perhaps packaged food, ... | 560,672 | [
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0.2083689,
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0.1177708,
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-0... |
Bile acid concentrations in systemic and portal serum in presumably normal man and in cholestatic and cirrhotic conditions. | Total bile acid concentration was determined in systemic and portal serum and in liver tissue from patients with presumably normal liver function, and from patients with extrahepatic cholestasis. Systemic and portal serum bile acids were also determined in patients with alcoholic liver cirrhosis. In 5 patients, in whom... | 560,715 | [
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0.100928,
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-0.1380231,
0.1652717,
0.170473,
0.1658918,
-0.0... |
The effect on reproductive performance of porcine parvovirus infection in a susceptible pig herd. | An acute episode of reproductive failure occurred following natural introduction of porcine parvovirus to a susceptible herd of 48 breeding sows. Serological data gave a close estimate of the time that infection spread through the herd, and enabled a correct forecast of the reproductive failure that followed. Severe fe... | 560,744 | [
-0.3262972,
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0.01984017,
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0.2011836,
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-0.002641834,
0.3270186,
0.2742629,
-0.28227... |
Alkaline phosphatase, leucine aminopeptidase, and alanine aminotransferase activities with obstructive and toxic hepatic disease in cats. | The activities of serum alkaline phosphatase (serum ALP), leucine aminopeptidase (serum LAP), and alanine aminotransferase (serum ALT) were determined in 15 cats before and after treatment by 3 methods: common bile duct occlusion, left hepatic duct(s) occlusion, and carbon tetrachloride administration. Significant incr... | 560,816 | [
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0.2356493,
0.3242805,
-0.320671,
0.4075699,
-0.08741458,
0.1540... |
Stimulation of lymphocytes by concanavalin A. Temperature-dependent effect of fatty acid replacements. | The membrane fatty acyl composition of lymphocytes was altered by growth in lipid-depleted serum containing fatty acid supplements, as well as avidin to block endogenous synthesis of fatty acids. Under these growth conditions over 50% of the total fatty acid in membrane phospholipid were derived from the added fatty ac... | 560,864 | [
0.02170382,
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0.2807905,
0.4188454,
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... |
Substrate-inhibiton by acetyl-CoA in the condensation reaction between oxaloacetate and acetyl-CoA catalyzed by citrate synthase from pig heart. | Deviations from Michealis-Menten kinetics in the pig-heart citrate synthase (citrate-oxaloacetate-lyase(pro-3S-CH2-COO-leads to acetyl-CoA), EC 4.1.3.7) system have been characterized and analyzed in view of the kinetic theory described in the preceding paper. The enzymic condensation reaction between acetyl-CoA and ox... | 560,867 | [
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0.2093073,
0.5361954,
0.03786447,
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0.19... |
Histochemical study of cholinergic activities in exocrine pancreas of dogs. Modifications related to chronic alcoholism. | An histochemical study has been made of pancreatic biopsies from 5 dogs with gastric and pancreatic Thomas cannulae. 3 dogs received 2 g kg-1 day-1 ethanol for 3, 4 and 48 months; 2 dogs which did not received alcohol served as controls. Acetylcholinesterase has been studied by the histochemical method of Koelle. Choli... | 560,887 | [
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0.05838974,
0.2669325,
... |
Urease activity in the digestive tract of the chick and its role in the utilisation of urea as a source of non-amino nitrogen. | Urease activity was found in caecal contents (about 10 mg urea metabolised/g h) and crop contents (about 0-5 mg urea metabolised/g h):there was very low activity in the contents of the colon but none in the rest of the digestive tract. 2. The urease activity of the crop contents was not bacterial in origin but the soya... | 560,898 | [
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0.2469806,
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0.0267719,
0.1705454,
0.3383993,
0.04554801... |
Growing human sarcomas in culture. | Efforts to establish human soft tissue and bone sarcomas in long-term cultures are described. Of 49 attempts 22 (45%) were successful, yielding cells that proliferated in vitro for 6 months or longer. Infrequent medium changes, maintenance of pH in physiologic range and avoidance of early trypsinization all appear to b... | 560,905 | [
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0.09221247,
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0.4504583,
0.219781,
0.06299302,
-0.2992674,... |
Quantitative method for estimating myoglobin in urine. | A simple, rapid, and quantitative immunochemical technique is described for quantitation of urinary myoglobin. The test is specific for myoglobin in the presence of hemoglobin or tissue constituents, can be completed within 1 h or less, and can detect 1 to 2 mg/liter. Normal urinary myoglobin concentrations are less th... | 560,922 | [
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0.03666929,
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0.2652156,
0.05067063,
0.02884381,
0.2628287,
0.00168525,
0.02183108... |
Design and synthesis of parathyroid hormone analogues of enhanced biological activity. | Three analogues of bovine parathyroid hormone (bPTH), [Tyr-34]bPTH-(1--34) amide, [Nle-8,Nle-18,Tyr-34]bPTH-(1--34)amide, and [Nle-8,Nle-18, o-NPS-Trp-23,Tyr-34]bPTH-(1--34)amide were synthesized by the solid-phase method. The synthetic peptides were found to be homogeneous in multiple analytical systems. These analogu... | 560,953 | [
-0.3010057,
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0.1842123,
0.3168676,
0.5346435,
0.4033267,
0.2685399,
-0.158... |
Calcium-binding subunit of myosin light chain kinase. | Myosin light chain kinase from frozen rabbit skeletal muscle was separated into two protein components by DEAE-cellulose column chromatography. One component (MW 20,000) was a Ca2+-binding protein. Both components and Ca2+ were essential for the enzyme activity. | 561,063 | [
-0.126934,
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0.2182938,
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0.2... |
Regulation of chondroitin sulfate synthesis. Effect of beta-xylosides on synthesis of chondroitin sulfate proteoglycan, chondroitin sulfate chains, and core protein. | Monolayer cultures of embryonic chick chondrocytes were incubated with 35SO42- in the presence and absence of 1.0 mM p-nitrophenyl-beta-d-xyloside for 2 days. The relative amounts of chondroitin sulfate proteoglycan and free polysaccharide chains were measured following gel filtration on Sephadex G-200. Synthesis of be... | 561,070 | [
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0.1185437,
0.5228149,
0.1488601,
-0.1017732,
-0.028... |
Effect of calcitonin on the phosphorylation of non-histones from cultured bone cells. | 32P-uptake into non-histones from bone cell cultures was selectively stimulated in the presence of calcitonin. Comparison of the control and experimental radioactivity profiles of non-histones fractionated by SDS gel electrophoresis showed that, in response to calcitonin stimulation, there was a 2- to 3-fold increase i... | 561,078 | [
0.003679156,
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0.08485768,
0.0108659,
-0.07284147,
-0.090407... |
Plasma membrane intramembranous particle topography in 3T3 and SV3T3 cells: the effect of cytochalasin B. | The topography of plasma membrane intramembranous particles in contact-inhibited and transformed cells is a topic of current controversy. We have reported that particles are aggregated in 3T3 cells and that they are randomly distributed in SV3T3 cells. Other investigators have, however, proposed that these differences ... | 561,081 | [
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0.07412992,
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0.3132566,
0.1882356,
0.3262696,
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... |
Separation and biochemical characterization of the two cell types present in the pseudoplasmodium of Dictyostelium mucoroides. | The pseudoplasmodium (slug) of the cellular slime mould, Dictyostelium mucoroides consists of prestalk and prespore cells. These 2 differentiated types of cells were separated by modification of the previous methods using density-gradient centrifugation. Major improvements made in the present study were the use of a de... | 561,087 | [
-0.2242483,
-0.4198534,
-0.2589597,
-0.1272385,
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0.1718014,
0.3836774,
-0.1876768,
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0.02165708,
0.1634422,
0.4313814,
0.5749761,
0.3307721,
-0.1350409,
-... |
Analysis of formaldehyde in tobacco smoke by high performance liquid chromatography. | Formaldehyde in tobacco smoke is allowed to react with 2,4-dinitrophenylhydrazine to form the dinitrophenylhydrazone. This derivative is extracted with chloroform and concentrated. The residue in methylene chloride is separated and analyzed by high performance liquid chromatography. A column packed with 10-micron silic... | 561,117 | [
-0.3205666,
0.2014785,
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0.1462044,
0.1550381,
0.177623,
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0.1958057,
0.09237174,
0.2303065,
0.1734029,
0.1186328,
0.03974321,
-0... |
Symmetrical gangrene of the extremities associated with the use of dopamine subsequent to ergometrine administration. | The occurrence of symmetrical gangrene of all 4 extremities after the use of dopamine, subsequent to the administration of egometrine, is described. It is suggested that the concomitant use of these 2 agents should be avoided. | 561,121 | [
-0.2498828,
0.2523266,
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0.01517604,
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0.01405297,
0.01082107,
0.03604915,
0.07788566,
0.02780915,
-0.0024976... |
Partial purification of antigens from eggs of Schistosoma mansoni that elicit delayed hypersensitivity. | Schistosoma mansoni egg antigens that elicit delayed hypersensitivity in appropriately sensitized guinea pigs were partially characterized by using ion exchange chromatography and preparative electrophoresis. At least three skin-reactive antigens were found, one of which was purified to homogeneity, as analyzed by poly... | 561,125 | [
-0.2534154,
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0.1933006,
0.1337043,
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0.1109666,
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0.03402575,
0.140082,
-0.08270504,
0.05500288,
0.117774,
-0.2086763... |
On the mechanism of membrane damage by C: exposure of hydrophobic sites on activated C proteins. | In previous papers we have presented evidence that peptides from C proteins C5b, C7, C8, and C9 become inserted in the lipid bilayer membranes and form a transmembrane channel. Presumably, this insertion follows exposure of hydrophobic domains by C activation. In the present experiments liposomes were made with 14C-pho... | 561,127 | [
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-0.02501272,
0.3287103,
0.3892213,
0.3069144,
-0.047184... |
Oscillating contractions in protoplasmic strands of Physarum: simultaneous tensiometry of longitudinal and radial rhythms, periodicity analysis and temperature dependence. | 1. The construction of a 'twin-tension transducer' allows the simultaneous measurement of the same or different contraction rhythms at any selected sites of living plasmodia of Physarum polycephalum. This method has been used to analyse the relation of longitudinal and radial contraction activity within migrating plasm... | 561,153 | [
-0.1362318,
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0.3556085,
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0.09826369,
0.7409982,
0.3107171,
-0.09... |
Amantadine-resistance as a genetic marker for influenza viruses. | The infection of eggs, cell cultures or mice with a mixture of amantadine-resistant and amantadine-sensitive strains of influenza virus resulted in the transfer of amantadine-resistance or sensitivity between strains. The response of a recombinant virus to amantadine was not related to either of its surface antigens. R... | 561,163 | [
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0.2912316,
0.1972969,
-0.4366927,
-0.1578027... |
A twin study of temperament in young children. | Temperament was assessed in 182 young children (91 pairs of twins, average age of 3.6 years) with use of the Colorado Childhood Temperament Inventory (CCTI). The CCTI represents a merger of dimensions suggested by two approaches to the study of the development of temperament: the New York Longitudinal Study and Buss an... | 561,186 | [
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0.02409016,
0.05530733,
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... |
Prevalence of venereal disease in indigent pregnant adolescents. | The prevalence of venereal disease in an indigent adolescent maternity population was determined. Of 740 teenagers examined for gonorrhea and syphilis, 2,4% were found to have gonorrhea, whereas 0.6% had primary syphilis. A concomitant study of 740 adult maternity cases at the same hospital revealed a somewhate higher ... | 561,188 | [
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0.442739,
0.09798213,
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... |
Role of extracellular virus on the maintenance of the persistent infection induced in Aedes albopictus (mosquito) cells by Sindbis virus. | Sindbis virus infection of cultured mosquito cells was found to have no effect on the growth of these cells; instead, a persistent infection of the culture followed an initial acute phase of rapid virus synthesis. Nearly all of the cells in the acute stage of infection were found to actively release virus in an infecti... | 561,193 | [
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0.08151072,
0.08957922,
0.1743378,
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[Timing of a letal intracranial hemorrhage by means of the HbA/HbF ratio (author's transl)]. | Possibilities and limits of the method for timing an intracranial hemorrhage by means of the HbA/HbF erythrocyte ratio are investigated in six newborns. The effect of labeling HbF erythrocyte containing newborn blood by transfusion and exchange transfusion of HbA erythrocyte containing donor blood as well as "self-labe... | 561,265 | [
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0.1172509,
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[Epidermotropic reticulosis (Woringer-Kolopp disease)]. | The Woringer-Kolopp's disease must be considered a clinical-pathologic variant of mycosis fungoides. It is characterized by heterogenous clinical features and a peculiar histological aspect given by the cellular infiltration of the epidermis. The orgin of the reticular elements is discussed. Though some investigators t... | 561,272 | [
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0.03427386,
... |
[Esophageal localizations of Darier's disease. Radiological description apropos of 4 cases]. | The oesophagic affectation seems very frequent in Darier's disease. The authors have found oesophagic lesions in 4 cases examined. The radiologic aspect of this localization shows an oesophagic border in "post stamp" and a definite irregularity of the fasciculation. This fibroscopic examination shows the presence of ke... | 561,273 | [
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0.2977436,
0.04994522,
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[A case of lichen nitidus]. | A case of Lichen Nitidus exclusively localized on the arms and palms of an 8 year old girl with ten years of evolution and a good response to treatment, is described. | 561,277 | [
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0.1... |
Heart valve replacement by porcine aortic valve (Hancock prosthesis). | Glutaraldehyde preservation of heterograft valves has increased their durability. Sixty-nine Hancock prostheses have been implanted, 30 in the mitral position and 39 in the aortic position. Anticoagulants have not been administered. There has been one important thromboembolic complication and periprosthetic mitral inco... | 561,297 | [
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0.2311406,
-0.034... |
Neurologic status and prognosis after cardiopulmonary arrest: I. A retrospective study. | A retrospective survey of survivors of cardiorespiratory arrest included 34 patients. Twenty-one had a good outcome neurologically and 13 were seriously impaired. Depth and duration of postarrest coma correlated significantly with poor neurologic function. Seventy percent of the seriously impaired patients never regain... | 561,336 | [
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0.3164189,
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0.08204312,
... |
Phenytoin, phospholipids, and calcium. | Binding of phenytoin to phospholipids was found to be related to fatty acid composition. Dipalmitoyl and dioleoyl lecithins, the most abundant lecithins in brain, showed the greatest binding activity. There was an exact correlation between binding activity and phosphorous content in lipids derived from fractionation of... | 561,338 | [
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0.5936986,
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0.3280773,
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... |
Computerized tomography in demyelinating disease of the young. | We have used computerized tomography (CT) to look for evidence of cerebral demyelination in children with progressive neurologic disorders. Fourteen patients with a clinical diagnosis of a demyelinating disorder were examined by CT, and five had CT findings suggesting cerebral demyelination. In two patients with a so-c... | 561,340 | [
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0.4619296,
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Changes in interstitial pressure during acute interstitial volume depletion in normally hydrated rats. | Interstitial fluid pressure was measured in normally hydrated rats during acute interstitial volume depletion by intravenous hyperoncotic bovine serum albumin infusion. Body fluid volumes, systemic arterial and venous pressure and selected blood and urine variables were also measured. The infusion increased plasma volu... | 561,371 | [
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0.05290652,
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Effects of pulmonary gas embolism on circulation and respiration in the dog. III. Excretion of venous gas bubbles by the lung. | Intravenous injection of gas (10-60 ml) causes acute pulmonary embolism, which disappears completely within 10-20 min. Intravenous infusion of gas (1-5 ml min-1) can be continued for a long time. During these infusions a steady state is reached in which pulmonary arterial pressure is increased and cardiac output remain... | 561,384 | [
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... |
Synthesis of messenger RNA-like molecules in isolated myeloma nuclei. | Nuclei isolated from mouse myeloma cells grown in tissue culture are capable of synthesizing RNA for prolonged periods of time. Addition of cytoplasmic extracts to the system stimulates slightly the rate and prolongs the time of synthesis. As judges by sedimentation in SDS and in formamide gradients, the size of the RN... | 561,391 | [
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Metabolic and experimental factors in the behavioral response to repeated amphetamine. | Previous studies have shown that repeated administration of d-amphetamine results in a progressive augmentation of locomotor activity and stereotypy. The present studies demonstrate that rats also exhibit an enhanced behavioral response following multiple daily injections of l-amphetamine and methylphenidate. Furthermo... | 561,406 | [
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0.076663... |
Differences in the mode of phagocytosis with Fc and C3 receptors in macrophages. | Mouse macrophages, activated in vivo or in vitro, were made to internalize sheep erythrocytes opsonized with IgG or IgM and complement. Scanning electron microscopy and transmission electron microscopy were performed at various times after the transfer of the cultures from conditions favoring attachment to conditions f... | 561,436 | [
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0.1579998,
... |
Ultrastructural effects of Helminthosporium maydis race T toxin on mitochondria of corn roots and protoplasts. | Zea mays inbred W64A in Texas (T, toxin sensitive) male sterile and non-male sterile (N, toxin resistant) cytoplasms were utilized. Roots of freshly germinated seeds were treated for 15 min of 2 hr with culture filtrate from liquid grown Helminthosporium maydis Race T, or with a chloroform extractable purified fraction... | 561,458 | [
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Stimulation by inlfuenza virus RNA of 3H-phenylalanine incorporation in a cell-free system. | Purified and unpurified cell-free systems prepared from the chorioallantoic membrane of embryonated eggs were tested for polypeptide synthesis in the presence and absence of influenza virus RNA. Both systems exhibited an endogenous messenger activity determining 3H-phenylalanine incorporation into polypeptides in the a... | 561,474 | [
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Adsorption of halothane from a paediatric T-piece circuit by activated charcoal. | Experiments were conducted to compare the efficacy of six commonly available charcoals in adsorbing halothane in a paediatric T-piece system. Tests were also done to compare the effect of mass of charcoal and canister shape and size on adsorption and airways resistance. It was found that charcoals vary in their adsorpt... | 561,557 | [
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[Gongylonema pithyusensis n. sp. (Nematoda: Spiruridae), a parasite of the oesophagus of the dormouse Eliomys quercinus ophiusae Thomas, 1925 (Rodentia: Gliridae) in Formentera (Balearic Islands) (author's transl)]. | A new Nematode, Gongylonema pithyusensis n. sp., parasitizing the oesophagus mucosa of the dormouse Eliomys quercinus ophiusae Thomas, 1925 in the balearic island of Formentera (Spain) is described. The male of the new species is characterized by the size of spicules and gubernaculum; the female by the morphology of th... | 561,564 | [
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... |
Evolution of neovascularization in sickle cell retinopathy. A prospective fluorescein angiographic study. | With prospective observations we have documented by fluorescein angiography the development of retinal neovascularization in the eyes of patients with sickle cell-hemoglobin C disease (hemoglobin SC). In each patient, arteriolarvenular (AV) anastomoses occurred before the development of neovascular sea fans. To our kno... | 561,589 | [
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0.284896,
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0... |
Mycotic nasal granuloma in cattle. | Seven cases of eosinophilic granulomas containing fungal chlamydospores and short septate hyphae in the submucosa of the anterior nasal cavity were described from Queensland beef cattle during 1966-75. Drechslera rostrata was isolated from 2 cases and unidentified dematiaceous fungi from 2 others. | 561,595 | [
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0.4230846,
-0.04953069,
... |
Surface potential effects on metal ion binding to phosphatidylcholine membranes 31P NMR study of lanthanide and calcium ion binding to egg-yolk lecithin vesicles. | 31P NMR of phosphatidylcholine (lecithin) from egg-yolk in sonicated vesicles has been measured in the presence of various ions. Addition of Ln3+ or Ca2+ shifted the 31P resonance of the phosphate groups of the outer surface of the vesicles. These shifts were measured at varied lanthanide or Ca2+ concentration at diff... | 561,615 | [
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0... |
Calcium metabolism in Ehrlich Ascites tumour cells. | Ehrlich ascites tumour cells are able, under the proper experimental conditions, to extrude a substantial amount of Ca2+ from the intracellular space. The Ca2+ extrusion mechanism, probably located at the plasma membrane level, appears to be similar to that found in red blood cells. It is energy-dependent and both resp... | 561,619 | [
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Differential effect of pre- and postnatal litter size reduction on body weight and development of stress response in the rat. | The postnatal development of pups belonging to the small, prenatally reduced litters (PRN) was compared to that of pups of the postnatally reduced litters (PST) and to that of pups of intact, normal-size litters (CON). Body adrenal and pituitary weight gain as well as maturation of the pituitary-adrenal system were enh... | 561,625 | [
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Comparison of colony morphology, salt tolerance, and effectiveness in Rhizobium japonicum. | Four strains of Rhizobium japonicum, two of which produce slimy and non-slimy colony types and two others which produce large and small colony types, were isolated and cloned. All were infective and nodulated Lee soybean host plants. Each colony type was characterized as to its salt sensitivity to Na+ and K+ ions, rela... | 561,643 | [
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-0.1181959,
-0.1060405,
-0.396736,
0.1569083,
0.3448444,
-0.3479675,
-0.06826389,
0.1503015,
-0.08053755,
0.04635423,
-0.4913402,
-0.1815961,
-0.1090188,
0.06830934,
0.4497941,
0.2590001,
-0.1087544,
0.07794378,
0.002877596,... |
Ultrastructure of gonadoblastoma and disgerminoma (seminoma) in a patient with XY gonadal dysgenesis. | The gross and fine morphology of gonadoblastoma and disgerminoma in a young phenotypic female with male karyotype and gonadal dysgenesis is described. Both the rudimentary gonads contain gonadoblastomas on the left side in association with a disgerminoma. In the light microscope the gonadoblastomas show peculiar hyalin... | 561,649 | [
-0.05435993,
0.2843298,
-0.1048037,
-0.001546876,
-0.1346416,
-0.341019,
0.01001182,
-0.03562627,
-0.08070245,
0.2701994,
0.197717,
0.3231134,
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0.02176048,
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0.04004407,
-0.4753392,
-0.2316971,
0.2151777,
-0.5939962,
0.5426078,
0.2079683,
-0.2211824,
... |
A pseudogene structure in 5S DNA of Xenopus laevis. | The 5S DNA of Xenopus laevis, coding for oocyte-type 5S RNA, consists of many copies of a tandemly repeated unit of about 700 base pairs. Each unit contains a "pseudogene" in addition to the gene. The pseudogene has been partly sequenced and appears to be an almost perfect repeat of 101 residues of the gene. The order ... | 561,661 | [
0.146989,
0.12393,
-0.1476856,
0.1643564,
-0.1177108,
-0.1392354,
0.1269138,
0.07226378,
0.2424467,
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0.1902105,
0.1627079,
0.01386606,
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-0.4898614,
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-0.1995795,
0.224763,
0.06687213,
-0.1000959,
0.5619614,
0.2410756,
-0.04412705,
0.174... |
FSH and LH stimulation of ornithine decarboxylase activity: studies with porcine granulosa cells in vitro. | Under defined conditions in vitro FSH and LH caused a dose-dependent stimulation of ornithine decarboxylase (ODC) activity in granulosa cells isolated from porcine ovarian follicles. In cells from small follicles, FSH was at least twice as potent an inducer of the enzyme activity as LH. The cells from medium-sized foll... | 561,691 | [
0.166941,
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0.04863787,
-0.03896457,
0.1820697,
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0.1195508,
0.2006847,
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-0.03243386,
-0.1597219,
0.00580123,
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0.188218,
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-0.6100168,
0.1897923,
0.1205191,
0.2454439,
0.1016847,
-0.0841265,
-0.07218828,
-0... |
Demonstration of angiogenesis-activity in the corpus luteum of cattle. | The angiogenetic potency of corpus luteum tissue and of extracts of it was tested in three different biological model systems: the chorioallantoic membrane of the chicken (CMA), the ventral subcutaneous pouch of the mouse and the cheeck pouch of the Syrian hamster. The formation of new capillaries after transplantation... | 561,701 | [
0.04268601,
0.08201282,
0.02895911,
-0.008200951,
0.3011209,
0.002121775,
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0.4401014,
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0.009679702,
0.1116641,
0.2714544,
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-0.2680508,
0.1681857,
-0.06260055,
0.1420825,
0.4593622,
0.3002107,
0.03103408... |
An improved organ culture method for adult mammalian lung. | An improved method for maintaining adult rat lung in submerged organ culture is described in which the alveoli were inflated with agar and 200-micron-thick hand-cut sections were mounted in Rose chambers. The conventional single-compartmented Rose culture chamber was modified by adding a second chamber separated from t... | 561,753 | [
0.02804052,
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-0.3671644,
-0.04550793,
0.2122846,
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-0.08746034,
0.0129148,
0.07904842,
-0.07990347,
0.1805021,
-0.6254589,
0.1271494,
-0.02506237,
-0.1075392,
-0.1288467,
0.1352431,
0.2679906,
0.5210256,
0.1145522... |
[Perioperative infusion therapy during childhood. II. Balance studies on pre-, intra- and postoperative infusion of basic solutions]. | For a period of 63 hours totally, 4 different infusion solutions were administered to infants and children of 3 age groups (I = 10th day to the 6th month of age, II = 6th month to the 3rd year of age and III = above 3 years of age) during the pre-, intra- and postoperative period. The serum sodium, potassium-, chloride... | 561,755 | [
-0.2157443,
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-0.5655326,
-0.2996401,
0.3228602,
-0.4480612,
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0.09196328,
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0.1773222,
0.08526715,
0.1369619,
-0.04441265,
-0.296278,
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-0.08570284,
0.1938085,
-0.3108065,
0.2018521,
0.5654059,
-0.2337136,
0.04595562,
... |
Secondary amyloidosis and the serum amyloid precursor in leprosy: geographical variation and association with leukocytosis. | The prevalence of the amyloid-related serum component, protein SAA, was investigated in two groups of leprosy patients from different areas of Papua New Guinea. Protein SAA was more prevalent in coastal leprosy patients (49% positive) than in highland patients (21% positive). Paradoxically, many more cases of amyloidos... | 561,759 | [
-0.1030049,
-0.2857125,
0.07139882,
-0.3779625,
-0.2219649,
-0.4099099,
-0.1597428,
0.06539353,
0.2813317,
0.3118906,
-0.1251957,
-0.5237248,
0.07878067,
0.02335322,
0.6682358,
-0.3802145,
-0.5328334,
-0.1771829,
0.3116384,
-0.06815304,
0.1721094,
0.2980801,
-0.05770738,
... |
Striated muscle determinants of intraurethral resistance. | Urethral resistance was measured in dogs subjected to alterations in periurethral striated muscle activity before and after muscle paralysis. Changes in periurethral striated muscle activity that could be abolished by curare significantly affected intraurethral resistance measurements. Control of striated muscle is nec... | 561,768 | [
0.01300041,
-0.1102137,
0.08314068,
-0.1628163,
-0.1769446,
-0.05267529,
0.06853688,
-0.215866,
0.1708983,
0.1420325,
0.2100869,
-0.0439604,
0.0511083,
-0.1830211,
-0.320415,
0.1671921,
-0.5622735,
0.1914031,
-0.07629285,
-0.242134,
-0.02509528,
-0.1658123,
0.1944147,
-... |
The amino acid sequence of Clostridium pasteurianum iron protein, a component of nitrogenase. I. Tryptic peptides. | A total of 25 tryptic peptides was isolated from the S-beta-carboxymethyl derivative of Clostridium pasteurianum iron protein (N2). In order to obtain the various peptides in pure state, a combination of gel permeation, cation and anion exchange column chromatographic methods, as well as various ascending paper chromat... | 561,781 | [
-0.6663888,
-0.02104266,
-0.05098025,
0.3064217,
0.06833907,
-0.1176835,
-0.1094217,
0.1685865,
0.1550117,
0.1433727,
0.05042101,
0.1634534,
0.2227796,
-0.04897112,
-0.2431322,
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-0.4676763,
-0.417238,
-0.08495459,
-0.2253349,
0.07128166,
0.1494562,
-0.1953475,... |
The amino acid sequence of Clostridium pasteurianum iron protein, a component of nitrogenase. II. Cyanogen bromide peptides. | A total of 10 cyanogen bromide peptides were isolated from the S-beta-carboxymethyl iron protein of nitrogenase. Purification of these peptides was performed mainly by gel filtration on Sephadex G-50; by ascending paper chromatography using the solvent system of pyridine, isoamyl alcohol, 0.1 M ammonium hydroxide; and ... | 561,782 | [
-0.5034843,
-0.001533578,
-0.1498557,
0.03657447,
-0.1006383,
-0.0756526,
-0.1104918,
0.04153223,
0.2064939,
0.08201862,
-0.04644316,
0.0509662,
0.1753365,
0.2345727,
-0.3847995,
-0.08126472,
-0.07850484,
-0.2224891,
0.0318756,
0.04396269,
0.2350743,
0.1949611,
-0.2118686... |
Separation of proximal tubule cells from suspensions of rat kidney cells by free-flow electrophoresis. | Suspensions of rat kidney cells obtained by disaggregation of the kidney with 0.25% trypsin were separated by electrophoresis. Previously, we found a correlation between cells with histochemically demonstrable alkaline phosphatase (HDAP) and cells with brush borders which established that HDAP is a useful marker for ra... | 561,792 | [
0.002944669,
0.03151378,
-0.2465244,
0.1083748,
0.2011632,
-0.4660549,
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0.2013011,
0.1390195,
0.03435748,
0.2140472,
-0.1319826,
-0.2251548,
-0.05487615,
-0.4261582,
-0.1870282,
-0.4667586,
-0.05570962,
0.2019869,
0.09209538,
0.1085532,
-0.09720535,
-0.3456594,... |
Wheat germ agglutinin inhibits basal- and stimulated-adenylate cyclase activity as well as the binding of [3H] caerulein to rat pancreatic plasma membranes. | Wheat germ agglutinin, but not concanavalin A or soybean lectin, inhibited the basal-and stimulated-adenylate cyclase activity which was present in a plasma membrane preparation from the rat pancreas. The inhibition by wheat germ agglutinin was rapid and sustained. It was of the non-competitive type and never exceeded ... | 561,809 | [
0.1799677,
-0.2502748,
0.08157101,
0.101796,
0.1516845,
-0.2868749,
-0.2481353,
0.2211038,
-0.08832701,
0.2859883,
-0.06894635,
0.3958753,
0.06534549,
-0.2177531,
-0.4154978,
-0.06844774,
-0.9307231,
0.05889485,
0.03583721,
-0.082013,
0.4495327,
0.2966153,
-0.200946,
0.... |
Survival of mouse embryos after freezing in medium containing dimethylsulphoxide and yolk extract. | The ability of the cryoprotective solution containing dimethylsulphoxide in combination with yolk extract (DYG 550) to protect mouse embryos at ultra low temperatures is reported. Of the embryos of 46.1% frozen to -196 C at various rates formed blastocysts in vitro compared to 41.2% and 23.2% survivals protected by 1M ... | 561,810 | [
-0.08295299,
0.1334448,
-0.09348166,
-0.3035856,
0.07521805,
0.1140499,
-0.0510125,
-0.1579796,
0.1246698,
-0.2756693,
-0.05705018,
0.3791329,
-0.09027214,
0.04556114,
-0.1693979,
-0.358006,
-0.08388506,
0.1427038,
-0.2021948,
0.1784787,
0.2431313,
0.3135519,
-0.2742132,
... |
Microfilament and microtubule function in human monocytes. | The functions of microfilaments and microtubules in human monocytes were examined by exposing peripheral blood monocytes to cytochalasin B, a microfilament inhibitor, and to colchicine, an antitubulin. Cytochalasin B, 10 microgram/ml, inhibited all monocyte functions tested: chemotaxis was reduced by 96% of control lev... | 561,822 | [
0.08235274,
0.1864201,
-0.2436651,
0.2090937,
0.2474658,
-0.1358978,
-0.17538,
0.2468183,
0.1244175,
-0.05340147,
0.004542016,
0.05977833,
-0.06874837,
0.1962232,
-0.2844945,
-0.01379875,
-0.5995162,
0.2072853,
-0.2875169,
0.3916579,
0.2183999,
0.1529333,
0.09620043,
0.... |
Synthesis of RNA by male pronuclei of fertilized sea urchin eggs. | Experiments have been conducted in an effort to determine when the paternally derived genome of sea urchin embryos becomes active in RNA synthesis. Participation of the paternal genome in RNA transcription as early as fertilization has been indicated by the following: (1) polyspermic zygotes consistently demonstrate gr... | 561,827 | [
0.08065622,
0.05537486,
-0.01928052,
0.4312668,
0.2997797,
-0.01785951,
-0.2348267,
0.008712756,
0.2153027,
-0.2657903,
0.06942106,
0.05150824,
-0.1315812,
0.2193952,
-0.1093562,
-0.04560286,
-0.2543581,
0.3167474,
-0.1895699,
-0.1801934,
0.6143147,
-0.01774884,
-0.099975... |
Amino acid absorption along the intestinal tract of chicks fed heated and raw soybean meal. | Net absorption of individual amino acids along the intestinal tract was determined in chicks fed heated soybean meal (HS) and raw soybean meal (RS) using 91Y as a reference substance. In the duodenum of chicks fed either diet, the absorption of the amino acids varied. In chicks fed the RS diet, the differences were gre... | 561,830 | [
-0.2693619,
0.001934279,
-0.2712392,
-0.01474269,
0.1826546,
0.057864,
0.1109788,
-0.09889417,
0.1692777,
-0.1540156,
0.3368621,
0.05446691,
0.3453185,
-0.1773827,
-0.4329371,
-0.1306226,
-0.8779378,
-0.1119065,
-0.1575072,
0.1599239,
0.1719516,
0.2852547,
0.09735116,
-... |
Synthesis and preliminary pharmacological activity of aminoalkoxy isosteres of glycolate ester anticholinergics. | A sides of 2-(N-substituted amino)alkoxy-1,1-diphenylethanols was synthesized and evaluated for anticholinergic activity. The compounds differ structurally from the glycolate ester-type anticholinergic compounds by the bioisosteric substitution of a methylene group for the ester carbonyl moiety. The ethers which result... | 561,845 | [
-0.2990489,
0.09056698,
-0.1627098,
-0.1294051,
0.2016627,
0.1049389,
-0.3204041,
-0.1534011,
-0.02073394,
0.04193403,
0.03508424,
-0.1216076,
0.1699201,
0.1998782,
-0.3179557,
0.09852886,
-0.6491765,
0.2869793,
0.2111827,
0.2573508,
-0.09562484,
0.2381209,
-0.01458375,
... |
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