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  • Title: Mechanism of semen liquefaction and its potential for a novel non-hormonal contraception†.
    Author: Anamthathmakula P, Winuthayanon W.
    Journal: Biol Reprod; 2020 Aug 04; 103(2):411-426. PubMed ID: 32529252.
    Abstract:
    Semen liquefaction is a proteolytic process where a gel-like ejaculated semen becomes watery due to the enzymatic activity of prostate-derived serine proteases in the female reproductive tract. The liquefaction process is crucial for the sperm to gain their motility and successful transport to the fertilization site in Fallopian tubes (or oviducts in animals). Hyperviscous semen or failure in liquefaction is one of the causes of male infertility. Therefore, the biochemical inhibition of serine proteases in the female reproductive tract after ejaculation is a prime target for novel contraceptive development. Herein, we will discuss protein components in the ejaculates responsible for semen liquefaction and any developments of contraceptive methods in the past that involve the liquefaction process.
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