Arginine vasopressin gene expression in chronic cardiac failure in rats
1990
Arginine vasopressin gene expression in chronic cardiac failure in rats. Arginine vasopressin (AVP) is known to be increased in patients and experimental animals with chronic cardiac failure (CCF). The importance of an increase in biosynthesis of AVP in the hypothalamus has, however, not heretofore been investigated and is the purpose of the present study. CCF secondary to infarction of myocardial tissue was induced by ligation of the left anterior descending coronary artery and sham operated animals served as controls. Four weeks later hypothalamic AVP mRNA was determined by solution hybridization using sense and anti-sense strand RNA. The blood pressure was lower in CCF than sham animals (131.2 ± 3.1 vs. 112.8 ± 4.0mm Hg, P
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