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Resources » Paper

Cuasnicu PS et al. (2001) Arch Med Res "Molecular mechanisms involved in mammalian gamete fusion."

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  • Overview

    PMID:
    11750738
    DOI:
    10.1016/S0188-4409(01)00321-6
    Status:
    Publication type:
    Review
    WormBase ID:
    WBPaper00012947

    Cuasnicu PS, Ellerman DA, Cohen DJ, Busso D, Morgenfeld MM, & Da Ros VG (2001). Molecular mechanisms involved in mammalian gamete fusion. Arch Med Res, 32, 614-8. doi:10.1016/S0188-4409(01)00321-6

    Fusion between gametes is a key event in the fertilization process involving the interaction of specific domains of the sperm and egg plasma membranes. During recent years, efforts have been made toward the identification of the specific molecular components involved in this event. The present work will focus on the best characterized candidates for mediating gamete membrane fusion in mammals. These molecules include members of the ADAM (a disintegrin and a metalloprotease domain) family, i.e., testicular proteins fertilin alpha, fertilin beta, and cyritestin, which are thought to interact with integrins in the egg plasma membrane through their disintegrin domains, and a member of the cysteine-rich secretory proteins (CRISP) family, i.e., epididymal protein DE, which participates in an event subsequent to sperm-egg binding and leading to fusion through specific complementary sites localized on the fusogenic area of the egg surface. The identification and characterization of these molecules will contribute not only to a better understanding of the molecular mechanisms underlying mammalian sperm-egg fusion but also to the development of new methods for both fertility regulation and diagnosis and treatment of human infertility.


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