Abstract
The effect of adrenalectomy on the basal cardiac c-AMP level and the elevated c-AMP level induced by intravenous administration of isoprenaline (10 mcg/kg) were determined by radio-protein assay. The basal cardiac c-AMP level was not altered by adrenalectomy. But the cardiac c-AMP responses to isoprenaline was significantly less in adrenalectomized rats, maintained with 1% sodium chloride solution for one week; this effect, however, disappeared when animals were maintained for 2 or 4 weeks. This could not be restored by acute administration of dexamethasone (100 mcg/rat). The possible reasons for these effects of adrenalectomy are discussed.
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Schedule a callMore From: Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme
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