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抑制视黄酸生物合成能否作为一种非激素女性避孕药?

Can inhibition of retinoic acid biosynthesis function as a non-hormonal female contraceptive?

作者信息

Paik Jisun, Treuting Piper M, Haenisch Michael, Amory John K

机构信息

Department of Comparative Medicine, University of Washington, Seattle, WA, USA.

Department of Comparative Medicine, University of Washington, Seattle, WA, USA.

出版信息

Contraception. 2018 Apr 7. doi: 10.1016/j.contraception.2018.03.035.

Abstract

OBJECTIVE

Vitamin A deficient females have reduced fertility due to decreased retinoic acid production. WIN 18,446 inhibits retinoic acid biosynthesis and functions as a contraceptive in males. We tested whether WIN 18,446 treatment would suppress fertility in female mice.

STUDY DESIGN

Female mice were treated with WIN 18,446 and mated. Pregnancy rates were compared using Fisher's exact test.

RESULTS

WIN 18,446 reduced pregnancy compared with control (p=.03). However, one animal became pregnant with malformed embryos.

CONCLUSIONS

WIN 18,446 treatment significantly reduces fecundity, but teratogenicity in the setting of contraceptive failure limits the appeal of this approach to female contraception.

摘要

目的

维生素A缺乏的雌性动物由于视黄酸生成减少而生育能力降低。WIN 18,446抑制视黄酸生物合成,在雄性动物中起避孕药的作用。我们测试了WIN 18,446处理是否会抑制雌性小鼠的生育能力。

研究设计

用WIN 18,446处理雌性小鼠并使其交配。使用Fisher精确检验比较妊娠率。

结果

与对照组相比,WIN 18,446降低了妊娠率(p = 0.03)。然而,有一只动物产下了畸形胚胎。

结论

WIN 18,446处理显著降低了生育力,但避孕失败时的致畸性限制了这种女性避孕方法的吸引力。

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Suppression of Stra8 expression in the mouse gonad by WIN 18,446.WIN 18,446 抑制小鼠性腺中 Stra8 的表达。
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