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  • Title: [Role of sulfogalactosylglycerolipid and sulfolipidimmobilizing protein 1 in sperm-egg plasma membrane interaction].
    Author: Feng XM, Wang JJ, Huang YF.
    Journal: Zhonghua Nan Ke Xue; 2003 Dec; 9(9):697-9. PubMed ID: 14727363.
    Abstract:
    Sperm-egg plasma membrane interaction is one of the important steps of mammalian fertilization. Many sperm and egg surface proteins are reported to be involved in sperm-zona pellucida interaction. Sulfogalactosylglycerolipid(SGG) is the major sulfoglycolipid in the germ cells of mammalian and lower vertebrates, mainly in the sperm head. It is a differentiation marker in spermatogenesis restricted to the zygotene and early pachytene spermatocytes. Sulfolipidimmobilizing protein 1 (SLIP1) is the major sulfoglycolipid of mammalian germ cells and eggs, with the same localization as SGG in the sperm. SLIP1 binds specificity to SGG, both playing a vital role in sperm-egg interaction. This article is aimed at reviewing the localization of SGG and SLIP1 in the germ cell surface and their role and related mechanism in gamete formation.
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