B003 Ouabain-like immunoreactivity in human plasma
نویسندگان
چکیده
منابع مشابه
Plasma marinobufagenin-like and ouabain-like immunoreactivity during saline volume expansion in anesthetized dogs.
OBJECTIVES This study investigated effects of acute plasma volume expansion on plasma levels and urinary output of two endogenous Na,K-ATPase inhibitors, marinobufagenin-like and ouabain-like immunoreactive substances. METHODS Plasma volume was expanded for 3 h via intravenous saline infusion in three groups of anesthetized dogs--nontreated (n = 5); pretreated with rabbit antidigoxin (n = 5);...
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An isomer of ouabain, the ouabain-like compound (OI,C), may participate in the regulation of body fluid volume and vascular tone. Forebrain regions, especially the hypothalamus, are reported to be sites of OLC action in the central nervous system. The medulla oblongata is another critical area involved in central cardiovascular regulation. We reported that the microinjection of either monoclona...
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An enzyme-linked immunosorbent assay is described for the measurement of ouabain in human plasma. This assay is specific for ouabain, strophanthidin, and ouabagenin, with other steroids, including digoxin and vasopressor hormones, exhibiting negligible cross-reactivity. Assay sensitivity was 0.06 nmol/L if 1 mL plasma was extracted and less than 0.005 nmol/L when 20 mL plasma was analyzed. Extr...
متن کاملOuabain-like activity in human cerebrospinal fluid.
Human cerebrospinal fluid has been found to mimic the effect of ouabain on net Na+ efflux and 86Rb+ influx across erythrocyte membranes and on the in vitro activity of a purified Na+/K+-ATPase (ATP phosphohydrolase, EC 3.6.1.3) derived from canine kidney. These results indicate the possible existence in human cerebrospinal fluid of an endogenous factor with ouabain-like activity, which might be...
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ژورنال
عنوان ژورنال: American Journal of Hypertension
سال: 1998
ISSN: 0895-7061
DOI: 10.1016/s0895-7061(97)91057-8