仅用于工业应用或科学研究,不可用于人类或动物的临床诊断或治疗,非药用.Progesterone is an endogenous steroid hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. A potent agonist of the nuclear progesterone receptor (nPR) with Kd of 1 nM; An agonist of the membrane progesterone receptors(mPRs); An antagonist of the σ1 receptor.