Abstract
Summary
Injection of epinephrine to 250-to 300-g rats (0.3 mg/day for 2 weeks, followed by 0.6 mg/day for another 3 weeks) progressively increased the serum PTH and CT, whereas administration of approximately 40 mg of propranolol daily, in drinking water, progressively decreased the serum levels of both these hormones in comparison to control animals. The studies indicate that, similar to the shortterm effects observed in previous studies, long-term modification of β-adrenergic stimuli can affect PTH and CT secretions.
The authors thank Mrs Barbara Lovett for her secreterial assistance.
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