17β-estrone

Estrone sulfate sodium (17β-Estrone 3-sulfate) 是一种主要的循环血浆雌激素，无生物活性，通过类固醇硫酸酯酶(STS) 转化为生物活性雌激素雌酮。

17-Epiestriol is a metabolite of estrone .1It is formed from estroneviaa 16α-hydroxy estrone intermediate by reduction of the C-17 ketone. 17-Epiestriol binds to estrogen receptor α (ERα) and ERβ with relative binding affinities of 29 and 80 compared with 17β-estradiol .2 1.Brinton, L.A., Trabert, B., Anderson, G.L., et al.Serum estrogens and estrogen metabolites and endometrial cancer risk among postmenopausal womenCancer Epidemiol. Biomarkers Prev.25(7)1081-1089(2016) 2.Kuiper, G.G.J.M., Lemmen, J.G., Carlsson, B., et al.Interaction of estrogenic chemicals and phytoestrogens with estrogen receptor βEndocrinology139(10)4252-4263(1998)

16α-Hydroxy-17β-estradiol-2,4-d2 是 Estriol 的氘代化合物。Estriol 的 CAS 号为 50-27-1。Estriol 是G蛋白偶联雌激素受体拮抗剂，能够作用于雌激素受体阴性乳腺癌细胞。