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    Fertil Steril. 1991 Oct;56(4):764-7.

    Horse and marmoset monkey sperm bind to the zona pellucida of salt-stored human oocytes.

    Source

    University of Melbourne, Department of Obstetrics and Gynaecology, Royal Women's Hospital, Carlton, Victoria, Australia.

    Abstract

    The present study demonstrates that horse and marmoset monkey sperm can bind to the human zona of salt-stored oocytes that failed to fertilize in vitro. Marmoset monkey sperm are also able to penetrate the salt-stored human zona. In contrast, human sperm do not bind to the zona of either horse or marmoset monkey oocytes. These results suggest that human sperm binding to the zona pellucida is more strictly species-specific than it is for horse and marmoset monkey sperm. In contrast, horse and marmoset monkey sperm contain receptors recognized by the human zona.

    PMID:
    1915955
    [PubMed - indexed for MEDLINE]

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