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Ethinylestradiol

炔雌醇

Mechanism of action:

Ethinylestradiol 是一種雌二醇(estradiol)的 C17 位引入乙炔基(ethinyl group)的化合物。Ethinylestradiol 可穿過細胞膜,與細胞內雌激素受體(estrogen receptor)結合,形成配體-受體複合體後進入細胞核,與 DNA 上的雌激素反應元件(estrogen response elements)結合,調控與生殖、內分泌與代謝等雌激素相關的基因轉錄。

​Reference(s):

1. Dhont M et al. (2010). History of oral contraception. Eur J Contracept Reprod Health Care. 


2. Cargill DI et al. (1969). Fate of ingested radiolabeled ethynylestradiol and its 3-cyclopentyl ether in patients with bile fistulas. J Clin Endocrinol Metab.

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