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  • Title: Isolated cortical granules: a model system for studying membrane fusion and calcium-mediated exocytosis.
    Author: Vacquier VD.
    Journal: J Supramol Struct; 1976; 5(1):27-35. PubMed ID: 11368.
    Abstract:
    Cortical granules are secretory vesicles bound to the inner surface of the plasma membrane of sea urchin eggs. Intact granules can be isolated by shearing away the cytoplasm of eggs which have been bonded to a protamine-coated surface. When Ca2+ is added to preparations of isolated granules the granules fuse with each other and release their contents. It is believed that isolated cortical granules may be an excellent model system for the biochemical study of exocytosis.
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