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  • 1
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    High angiotensin-converting enzyme activity in the neurohypophysis of Brattleboro rats (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-05-07
    Description: The activity of angiotensin-converting enzyme is significantly higher in the intermediate and posterior pituitary lobes of Brattleboro rats than in Long-Evans control rats. The high activity level was reversed by vasopressin treatment. Conversely, angiotensin-converting enzyme activity was significantly lower in the anterior pituitary of Brattleboro rats than in Long-Evans rats, and this activity level was not affected by vasopressin. these findings suggest an inverse relation between vasopressin and angiotensin systems in the posterior and intermediate lobes of the pituitary gland.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chevillard, C -- Saavedra, J M -- New York, N.Y. -- Science. 1982 May 7;216(4546):646-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6280284" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Diabetes Insipidus/*enzymology/genetics ; Disease Models, Animal ; Peptidyl-Dipeptidase A/*metabolism ; Pituitary Gland, Posterior/*enzymology ; Rats ; Rats, Mutant Strains/*physiology ; Vasopressins/*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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  • 2
    Electronic Resource
    Electronic Resource
    Comparison of the pharmacokinetics of intravenous dl-propranolol in borderline and permanent hypertension (1976)
    Springer
    European journal of clinical pharmacology 10 (1976), S. 387-393 
    Details
    ISSN: 1432-1041
    Keywords: Pharmacokinetics ; dl-propranolol ; borderline hypertensives ; permanent hypertensives ; cardiac output
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary In borderline and permanent hypertensives after rapid i.v. injection of dl-propranolol 0.2 mg/kg plasma levels were measured and were fitted to a two-compartment open-model. In borderline patients, characterized by a high basal cardiac output (CO), plasma levels were always lower than in permanent hypertensives. The biological half-life was reduced and the central volume of distribution, volume of distribution at pseudo-equilibrium and total clearance (TC) were markedly increased. In the overall population, there was a significant positive correlation between CO and TC. Rapid achievement of a predetermined plateau in each group constituted experimental proof of the validity of the two-compartment open-model for kinetic analysis of propranolol i.v. If kinetic parameters from permanent hypertensives were applied to borderline hypertensives a lower plateau was obtained. Thus, in so far as β-blockade is related to plasma level of propranolol, an increased intravenous dose may be required in patients with high CO.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00563074
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