dioxethedrin hydrochloride

TAS-108, also known as SR16234, is a synthetic, antiestrogenic steroidal compound with potential antitumor activity. TAS-108 binds to and inhibits estrogenic receptor alpha (ERa), mainly expressed in the mammary gland and uterus and upregulated in estrogen-dependent tumors. Blockage of ERa by TAS-108 prevents the binding and effects of estrogen and may lead to an inhibition of estrogen-dependent cancer cell proliferation. TAS-108 also is a partial agonist of the estrogenic receptor beta (ERb), expressed in many tissues including the central nervous system, urogenital tract, bone and cardiovascular system, thereby exerting a positive effect on these tissues.

TAS-108（亦称SR-16234）是一种选择性雌激素受体调节剂（SERM），已报道具有针对雌激素受体（ER）α的拮抗活性，并对ERβ受体表现出强亲和力及弱部分激动活性。