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  • Dogs  (8)
  • American Association for the Advancement of Science (AAAS)  (8)
  • 1980-1984  (8)
  • 1980  (8)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (8)
Years
  • 1980-1984  (8)
Year
  • 1
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    Transporting renal epithelium: culture in hormonally defined serum-free medium (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-11-21
    Description: A hormonally defined medium was used to isolate a homogeneous epithelioid cell population from canine kidney. Monolayers of these cells form domes, an indication of active ion transport, and this process is inhibited by ouabain. This technique allows the isolation of primary cultures of renal epithelial cells, free of fibroblasts, for the characterization of biochemical and physiological properties related to renal function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jefferson, D M -- Cobb, M H -- Gennaro, J F Jr -- Scott, W N -- New York, N.Y. -- Science. 1980 Nov 21;210(4472):912-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7434005" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Transport, Active ; Cell Adhesion ; Cells, Cultured ; Culture Media ; Dogs ; Epithelium/metabolism ; Female ; Kidney/*cytology ; Male ; Sodium/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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    Mitochondrial water in myocardial ischemia: investigation with nuclear magnetic resonance (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-06-13
    Description: Nuclear magnetic resonance studies of mitochondria isolated from ischemic hearts after coronary vessel occlusion indicated a decrease in water proton relaxation times. This change coincided with a decrease in the hydration of the samples. It is suggested that in ischemia, changes in macromolecular hydration may be one of the first mechanisms to alter function in the mitochondria, which are vital to the energy-transducing process in heart muscle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Michael, L H -- Seitz, P -- McMillin-Wood, J -- Chang, D -- Hazlewood, C -- Entman, M L -- New York, N.Y. -- Science. 1980 Jun 13;208(4449):1267-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6246584" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Fractionation/methods ; Coronary Disease/*metabolism/pathology ; Dogs ; Magnetic Resonance Spectroscopy ; Mitochondria, Heart/*metabolism ; Protons ; Water/*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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  • 3
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    Ala-Gly- and Val-Asp-[Arg8]-vasopressin: bovine storage forms of arginine vasopressin with natriuretic activity (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-22
    Description: Extracts of fresh-frozen bovine neurohypophysis were purified by chromatographic techniques to isolate and characterize the components that produce natriuresis in nondiuretic dogs. Two compounds with natiuretic properties similar to those of synthetic arginine vasopressin accounted for most of the natriuretic activity and appeared to be the prevalent vasopressin-like molecules in the extract. These peptides were Ala-Gly-[Arg8]-vasopressin and Val-Asp-[Arg8]-vasopressin; the natriuretic potency of each appeared to be similar to synthetic arginine vasopressin and could be observed with doses in the range of 50 picomoles. In the dog the most conspicuous difference between synthetic arginine vasopressin and the new vasopressin peptides was the smaller pressor responses to natriuretic doses of the new compounds.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gitelman, H J -- Klapper, D G -- Alderman, F R -- Blythe, W B -- New York, N.Y. -- Science. 1980 Feb 22;207(4433):893-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7355269" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Arginine Vasopressin/analogs & derivatives/*metabolism/pharmacology ; Biological Assay ; Blood Pressure/drug effects ; Cattle ; Dogs ; Male ; Natriuresis/*drug effects ; Pituitary Gland, Posterior/*metabolism ; Protein Precursors/metabolism ; Structure-Activity Relationship
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Magnesium deficiency produces spasms of coronary arteries: relationship to etiology of sudden death ischemic heart disease (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-04-11
    Description: Isolated coronary arteries from dogs were incubated in Krebs-Ringer bicarbonate isolation and exposed to normal, high, and low concentrations of magnesium in the medium. Sudden withdrawal of magnesium from the medium increased whereas high concentrations of magnesium decreased the basal tension of the arteries. The absence of magnesium in the medium significantly potentiated the contractile responses of both small and large coronary arteries to norepinephrine, acetylcholine, serotonin, angiotensin, and potassium. These data support the hypothesis that magnesium deficiency, associated with sudden death ischemic heart disease, produces coronary arterial spasm.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Turlapaty, P D -- Altura, B M -- New York, N.Y. -- Science. 1980 Apr 11;208(4440):198-200.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7361117" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcholine/pharmacology ; Angiotensin II/pharmacology ; Animals ; Calcium/metabolism ; Coronary Disease/*etiology ; Coronary Vessels/drug effects/physiopathology ; Death, Sudden/etiology ; Dogs ; Female ; Magnesium/metabolism/pharmacology ; Magnesium Deficiency/*complications/physiopathology ; Male ; Norepinephrine/pharmacology ; Potassium Chloride/pharmacology ; Serotonin/pharmacology ; Spasm/etiology ; Vasomotor System/drug effects
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Effective pulmonary ventilation with small-volume oscillations at high frequency (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-08-01
    Description: At high oscillation frequencies (4 to 30 hertz), effective alveolar ventilation can be achieved with tidal volumes much smaller than the anatomic dead space. An explanation of this phenomenon is given in terms of the combined effects of diffusion and convection and in terms of data consistent with the hypothesis. Theory and experimental results both show that the significant variable determining the effectiveness of gas exchange is the amplitude of the oscillatory flow rate independent of the individual values of frequency and stroke volume.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slutsky, A S -- Drazen, F M -- Ingram, R H Jr -- Kamm, R D -- Shapiro, A H -- Fredberg, J J -- Loring, S H -- Lehr, J -- New York, N.Y. -- Science. 1980 Aug 1;209(4456):609-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6771872" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carbon Dioxide/metabolism ; Diffusion ; Dogs ; Kinetics ; Mathematics ; Oscillometry ; Pulmonary Alveoli/*physiology ; *Respiration
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Three-dimensional imaging of heart, lungs, and circulation (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-10-17
    Description: A new imaging device, the dynamic spatial reconstructor (DSR), is described. It differs from commercially available computed tomography scanners in several ways. It images a volume rather than a slice; it images the volume in stop-action to minimize blurring due to motion; and it repeats the scan 60 times per second so that the functional movements of heart muscle and lung tissue and the distribution of roentgen contrast medium in blood can be quantitated in any portion of the body, especially in the heart, great vessels, and lungs. The system is under evaluation as a research tool for physiologic and, ultimately, clinical investigations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ritman, E L -- Kinsey, J H -- Robb, R A -- Gilbert, B K -- Harris, L D -- Wood, E H -- HL-04664/HL/NHLBI NIH HHS/ -- RR-00007/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1980 Oct 17;210(4467):273-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7423187" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cardiovascular Physiological Phenomena ; Coronary Disease/diagnosis ; Dogs ; *Hemodynamics ; Lung/physiology ; Pulmonary Circulation ; Regional Blood Flow ; *Respiration ; Tomography, X-Ray Computed/*instrumentation
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Tumoricidal response induced by cytosine arabinoside after plasma perfusion over protein A (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-12
    Description: In dogs with spontaneous mammary adenocarcinomas, a single nontoxic infusion of cytosine arabinoside after extracorporeal perfusion of plasms over immobilized protein A resulted in a necrotizing response rapid in onset and specific for tumorous tissue. Gross tumoricidal reactions 12 hours after this combined treatment exceeded the algebraic sum of responses to cytosine arabinoside and protein A perfusion treatments alone in the same dogs, implying a synergistic effect between the two. The magnitude, rapidity, and specificity of the tumoricidal response after the combined treatment suggests that it may be an effective chemimmunotherapeutic approach to breast adenocarcinoma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Terman, D S -- Yamamoto, T -- Tillquist, R L -- Henry, J F -- Cook, G L -- Silvers, A -- Shearer, W T -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1257-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403885" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/*therapy ; Animals ; Antibodies, Neoplasm ; Cytarabine/*administration & dosage/therapeutic use ; Dogs ; Female ; Immunotherapy ; Mammary Neoplasms, Experimental/immunology/pathology/*therapy ; Necrosis ; Perfusion ; Staphylococcal Protein A/immunology/*therapeutic use ; Staphylococcus aureus/immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Splanchnic somatostatin: a hormonal regulator of nutrient homeostasis (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-01
    Description: Free (approximately 1600 daltons) somatostatin-like immunoreactivity was identified in arterial plasma of dogs that had received a test meal. Neutralization of circulating somatostatin while the dogs were consuming a fatty meal increased the plasma concentrations of triglycerides, gastrin, pancreatic polypeptide, and insulin after the meal. It is concluded that, in the dog, somatostatin is a true hormone that regulates the movement of nutrients from the gut to the internal environment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schusdziarra, V -- Zyznar, E -- Rouiller, D -- Boden, G -- Brown, J C -- Arimura, A -- Unger, R H -- New York, N.Y. -- Science. 1980 Feb 1;207(4430):530-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352262" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Dogs ; *Eating ; Gastrins/blood ; Growth Hormone/*blood ; Homeostasis ; Hydrogen-Ion Concentration ; Insulin/blood ; Pancreatic Polypeptide/blood ; Somatostatin/blood/*physiology ; Triglycerides/*blood
    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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