17β-Dihydroequilenin

17β-Dihydroequilenin

17β-Dihydroequilenin

Chemical compound

17β-Dihydroequilenin, or β-dihydroequilenin, also known as δ6,8-17β-estradiol or 6,8-didehydro-17β-estradiol, as well as estra-1,3,5(10),6,8-pentaen-3,17β-diol, is a naturally occurring steroidal estrogen found in horses which is closely related to equilin, equilenin, and estradiol, and, as the 3-sulfate ester sodium salt, is a minor constituent (0.5%) of conjugated estrogens (Premarin).[1] 17β-Dihydroequilenin has unexpectedly shown a selective estrogen receptor modulator (SERM)-like profile of estrogenic activity in studies with monkeys, in which beneficial effects on bone and the cardiovascular system were noted but proliferative responses in breast and endometrium were not observed.[2]

Not to be confused with 17α-Dihydroequilin, 17β-Dihydroequilin, or 17α-Dihydroequilenin.
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See also

References

  1. [1]
    Fritz MA, Speroff L (28 March 2012). "Postmenopausal Hormone Therapy". Clinical Gynecologic Endocrinology and Infertility. Lippincott Williams & Wilkins. pp. 751–. ISBN 978-1-4511-4847-3.
  2. [2]
    Cline JM (April 2007). "Assessing the mammary gland of nonhuman primates: effects of endogenous hormones and exogenous hormonal agents and growth factors". Birth Defects Research. Part B, Developmental and Reproductive Toxicology. 80 (2): 126–146. doi:10.1002/bdrb.20112. PMID 17443713.


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