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Progesterone activates the principal Ca2+ channel of human sperm

Author

Listed:
  • Polina V. Lishko

    (University of California San Francisco, UCSF Mail Code 2140, Genentech Hall Room N272F, 600 16th Street, San Francisco, California 94158, USA)

  • Inna L. Botchkina

    (University of California San Francisco, UCSF Mail Code 2140, Genentech Hall Room N272F, 600 16th Street, San Francisco, California 94158, USA)

  • Yuriy Kirichok

    (University of California San Francisco, UCSF Mail Code 2140, Genentech Hall Room N272F, 600 16th Street, San Francisco, California 94158, USA)

Abstract

Progesterone's role in sperm The female steroid hormone progesterone is produced by the ovaries and the placenta, and supports gestation and embryogenesis through its actions on a well-characterized nuclear progesterone receptor. But progesterone released by cells surrounding the egg also stimulates sperm cells within the Fallopian tubes and increases their fertilizing ability, and the mechanism of this action of progesterone has remained elusive. Two independent research groups now report that progesterone potently activates CatSper, the principal Ca2+ channel of the sperm flagellum. Their data demonstrate that the CatSper channel or a directly associated membrane protein serves as a novel progesterone receptor that can mediate a fast, non-genomic effect of progesterone at the level of the sperm plasma membrane. These results should help to define the physiological role of progesterone and CatSper in sperm, and could lead to the development of new classes of non-hormonal contraceptives.

Suggested Citation

  • Polina V. Lishko & Inna L. Botchkina & Yuriy Kirichok, 2011. "Progesterone activates the principal Ca2+ channel of human sperm," Nature, Nature, vol. 471(7338), pages 387-391, March.
    • Handle: RePEc:nat:nature:v:471:y:2011:i:7338:d:10.1038_nature09767
    DOI: 10.1038/nature09767
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    Cited by:

    1. Shixuan Liu & Camille Ezran & Michael F. Z. Wang & Zhengda Li & Kyle Awayan & Jonathan Z. Long & Iwijn De Vlaminck & Sheng Wang & Jacques Epelbaum & Christin S. Kuo & Jérémy Terrien & Mark A. Krasnow , 2024. "An organism-wide atlas of hormonal signaling based on the mouse lemur single-cell transcriptome," Nature Communications, Nature, vol. 15(1), pages 1-27, December.
    2. Elena Grahn & Svenja V. Kaufmann & Malika Askarova & Momchil Ninov & Luisa M. Welp & Thomas K. Berger & Henning Urlaub & U.Benjamin Kaupp, 2023. "Control of intracellular pH and bicarbonate by CO2 diffusion into human sperm," Nature Communications, Nature, vol. 14(1), pages 1-17, December.

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