... blockades were induced with phentolamine and propranolol respectively. Beta activity was consistently demonstrated in progesterone treated animals. Estrus animals demonstrated variable beta activity. These results suggest that progesterone pretreatment enhances beta receptor activity in the rabbit oviduct...

... lysosomal preparations are observed following exposure to estradiol-17Β in vivo in the absence of adrenocortical function. The Β-adrenergic blocking-drug, propranolol, which shares the membrane-stabilizing properties of the glucocorticoids, is also capable of inhibiting estrogen-induced structural...