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  • 1965-1969  (2)
  • 1900-1904
  • Arteriolar Tone  (1)
  • Biosynthese  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 262 (1969), S. 124-134 
    ISSN: 1432-1912
    Keywords: Prostaglandins ; Guinea-Pig Lung ; Phospholipase A ; Cobra Venom ; Biosynthesis ; Prostaglandine ; Meerschweinchenlunge ; Phospholipase A ; Kobragift ; Biosynthese
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung SRS-C tritt in Perfusaten von Meerschweinchenlungen auf, wenn Phospholipase A-haltige Gifte einwirken. Sie wurde aus den Perfusaten angereichert. Die Wirkung von SRS-C beruht im wesentlichen auf Prostaglandinen, z.T. auf Peroxyden. Beide stammen von mehrfach ungesättigten Fettsäuren ab. Die freigesetzten Prostaglandine sind nur z. T. im Gewebe vorgebildet, der größere Teil entsteht neu nach Abspaltung der als Vorstufen dienenden Fettsäuren aus Phosphatiden. In den Lungenphosphatiden selbst wurde Prostaglandin als Bestandteil nicht gefunden.
    Notes: Summary SRS-C appears in perfusates of guinea-pig lungs when the lungs are treated with phospholipase A or venoms containing this enzyme. SRS-C has been concentrated and purified from such perfusates. The biological activity of SRS-C depends mainly on the presence of prostaglandins and to a minor degree also on peroxides. Both compounds originate from unsaturated fatty acids. The liberated prostaglandins are only partially preformed. The bulk of them is formed after cleavage of the precursor acids from tissue phosphatides. Prostaglandins have not been detected as constituents of lung phosphatides.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Pflügers Archiv 310 (1969), S. 251-263 
    ISSN: 1432-2013
    Keywords: Renin ; Extrarenal Renin ; Noradrenaline ; Vasopressin Phenoxybenzamine ; Propranolol ; Arteriolar Tone ; Antiangiotensin II ; Vascular Receptors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Antiangiotensin II plasma induced transitory hypotension in rats when 0.2 ml was injected intravenously in normal males (either awake or anaesthetized), into binephrectomized females or into some males which had been nephrectomized 18–22 or 42–53 hours previously. Antiangiotensin II did not affect the blood pressure of male rats when given between 24 and 26 hours after nephrectomy. Antiangiotensin resulted in a 10–200 fold increase in the dose of angiotensin required to produce a measurable change in blood pressure, and also significantly reduced reactivity to l-noradrenaline. A remaining plasma renin activity was constantly found in binephrectomized females and in most of binephrectomized males. Plasma renin activity was significantly higher in the former than in the latter. It is concluded that angiotensin plays a role in the maintanance of blood pressure, in normal rats, in binephrectomized females and in some binephrectomized males.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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