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  • Rabbits
  • American Association for the Advancement of Science (AAAS)  (7)
  • American Chemical Society
  • 1980-1984  (5)
  • 1975-1979  (2)
  • 1980  (5)
  • 1978  (2)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (7)
  • American Chemical Society
Years
  • 1980-1984  (5)
  • 1975-1979  (2)
Year
  • 1
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    Antibody to spermine: a natural biological constituent (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-06-06
    Description: A protein that binds spermine specifically was separated from normal rabbit serum by affinity chromatography. Immunoelectrophoresis, the Ouchterlony immunodiffusion test, and gradient gel electrophoresis indicated that this protein has immunoglobulin characteristics and consists of several populations of antibodies to spermine. These were sequentially released from Sepharose-spermine gel by step-wise elution with solutions ranging in pH from 4 to 1. The binding constants varied from 5.0 x 10(8) to 11.1 x 10(8) liters per mole. These globulins did not react with monoacetylputrescine, L-ornithine, L-lysine, and histamine. Negligible cross-reactivity was detected with spermidine, putrescine, N8-monoacetylspermidine, cadaverine, and diaminopropane. Since perturbations in polyamine metabolism have been identified in several diseases, the study of extracellular polyamine homeostasis may reveal an important regulatory function for this protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bartos, D -- Bartos, F -- Campbell, R A -- Grettie, D P -- Smejtek, P -- New York, N.Y. -- Science. 1980 Jun 6;208(4448):1178-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7375929" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies/*isolation & purification ; Binding Sites, Antibody ; Chromatography, Affinity ; Homeostasis ; Immunoglobulin G/isolation & purification ; Kinetics ; Rabbits ; Spermine/*immunology/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Estrogen formation in the early rabbit embryo (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-01-13
    Description: Androgen formation (3beta-hydroxysteroid dehydrogenase activity) was detectable in the rabbit blastocyst on day 5 of gestation (before implantation); estrogen formation was first detectable on day 7. The capacity to form estrogen on the day of implantation suggests that estrogen formation in the blastocyst may play a role in the implantation process.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉George, F W -- Wilson, J D -- New York, N.Y. -- Science. 1978 Jan 13;199(4325):200-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/579477" target="_blank"〉PubMed〈/a〉
    Keywords: 3-Hydroxysteroid Dehydrogenases/*metabolism ; Androgens/biosynthesis ; Animals ; Blastocyst/*metabolism ; *Embryo Implantation ; Embryonic Development ; Estradiol/*biosynthesis ; Female ; Gestational Age ; Pregnancy ; Rabbits
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Prediction of learning rate from the hippocampal electroencephalogram (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-06-16
    Description: Samples of spontaneous electroencephalographic (EEG) activity from the dorsal hippocampus of rabbits were recorded immediately before classical conditioning of the nictitating membrane response. Computer analysis revealed a significant predictive relationship between EEG frequency characteristics and the subsequent rate of learning.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berry, S D -- Thompson, R F -- New York, N.Y. -- Science. 1978 Jun 16;200(4347):1298-300.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/663612" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/physiology ; Conditioning, Classical/*physiology ; *Electroencephalography ; Hippocampus/*physiology ; Rabbits
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Bladder-surface glycosaminoglycans: an efficient mechanism of environmental adaptation (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-05-09
    Description: The transitional epithelium of the urinary bladder secretes and binds to its surface a glycosaminoglycan than inhibits the adherence of bacteria. Synthetic sulfonated glycosaminoglycans instilled intraluminally into bladders whose natural mucin layer has been removed are as effective as the natural mucin in preventing bacterial adherence. It also appears that adherence of calcium and protein is reduced in the presence of both the natural mucin layer and the synthetic sulfonated glycosaminoglycan sodium pentosanpolysulfate, suggesting that the antiadherence activity of both natural and synthetic surface glycosaminoglycans in the bladder extends to the molecular and ionic levels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parsons, C L -- Stauffer, C -- Schmidt, J D -- New York, N.Y. -- Science. 1980 May 9;208(4444):605-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6154316" target="_blank"〉PubMed〈/a〉
    Keywords: Adsorption ; Animals ; Calcium/metabolism ; Cell Adhesion ; Environmental Exposure ; Epithelium/physiology ; Glycosaminoglycans/*physiology ; Male ; Mucins/pharmacology ; Pentosan Sulfuric Polyester/pharmacology ; Protein Binding/drug effects ; Proteins/metabolism ; Rabbits ; Urinary Bladder/microbiology/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    C-Glucuronidation of the acetylenic moiety of ethchlorvynol in the rabbit (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-08-08
    Description: An acetylenic C-glucuronide of the sedative-hypnotic drug ethchlorvynol was isolated from rabbit urine as the major metabolite. The C-glucuronide represents a novel metabolic pathway for acetylenes and is a rare example of the formation of a carbon-glucuronide bond in mammalian systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abolin, C R -- Tozer, T N -- Craig, J C -- Gruenke, L D -- New York, N.Y. -- Science. 1980 Aug 8;209(4457):703-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394528" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylene ; Animals ; Carbon Radioisotopes ; Ethchlorvynol/*analogs & derivatives/*metabolism/urine ; Glucuronidase ; Magnetic Resonance Spectroscopy ; Mass Spectrometry ; Rabbits ; Spectrophotometry, Infrared
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    Vascular permeation of platelet factor 4 after endothelial injury (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-08-01
    Description: Antibody to platelet factor 4 was used to demonstrate permeation of this factor into the blood vessel wall after endothelial injury in rabbits. The presence of platelet factor 4 antigen in the vessel wall after removal of the endothelium was shown by immunofluorescence 10 and 30 minutes after injury but not 240 minutes afterward. This study demonstrates that factors carried by platelets can enter the vessel wall and that the movement of these platelet products into the vasculature is a short-lived, self-limiting process.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldberg, I D -- Stemerman, M B -- Handin, R I -- New York, N.Y. -- Science. 1980 Aug 1;209(4456):611-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6994228" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Coagulation Factors/*physiology ; Endothelium/physiology ; Fluorescent Antibody Technique ; Immune Sera ; Muscle, Smooth, Vascular/*physiopathology ; Permeability ; Platelet Factor 4/*physiology ; Rabbits ; Wounds and Injuries/*physiopathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 7
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    Sodium-calcium exchange in rabbit heart muscle cells: direct measurement of sarcoplasmic Ca2+ activity (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-08-08
    Description: Calcium ion-selective microelectrodes made with Simon's neutral carrier were used to measure simultaneously sarcoplasmic Ca2+ activity (aiCa) and resting tension (Tr) of rabbit ventricular muscle during reduction and restoration of external sodium ion concentration, [Na]0. Under the same experimental conditions the change in contractile tension (Ta) also measured. In resting muscle the aiCa was 38 +/- 17 nanomolar (mean +/- standard deviation; N = 10). The reduction of [Na]O from 153 to 20 millimolar led to about a threefold increase in aiCa with parallel increases in Tr and Ta. The time course of the change in aiCa was similar to that of the changes in Tr and Ta. The results are consistent with an important role of the sodium-calcium exchange system for regulating sarcoplasmic Ca2+ activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, C O -- Uhm, D Y -- Dresdner, K -- New York, N.Y. -- Science. 1980 Aug 8;209(4457):699-701.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394527" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Transport/drug effects ; Calcium/*metabolism ; Heart Ventricles/metabolism ; Kinetics ; Membrane Potentials/drug effects ; Microelectrodes ; Myocardium/*metabolism ; Rabbits ; Sarcoplasmic Reticulum/drug effects/*metabolism ; Sodium/*metabolism/pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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