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Title Sperm acrosome biogenesis and function during fertilization / Mariano G. Buffone, editor.
Imprint Switzerland : Springer, 2016.

View online
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Series Advances in anatomy, embryology and cell biology, 0301-5556 ; 220
Advances in anatomy, embryology, and cell biology ; v. 220.
Subject Acrosome reaction.
Acrosome -- physiology.
Exocytosis -- physiology.
Fertilization -- physiology.
Alt Name Buffone, Mariano G.,
Description 1 online resource (vii, 172 pages) : illustrations (some color).
Contents Preface -- The acrosome reaction: a historical perspective -- The acrosomal matrix -- Role of ion channels in the sperm acrosome reaction -- The molecules of sperm exocytosis -- Sperm capacitation and acrosome reaction in mammalian sperm -- Lipid regulation of acrosome exocytosis -- Role of actin cytoskeleton during mammalian sperm acrosomal exocytosis -- Site of mammalian sperm acrosome reaction.
Summary Over the last decades, acrosomal exocytosis (also called the "acrosome reaction") has been recognized as playing an essential role in fertilization. Secretion of this granule is an absolute requirement for physiological fertilization. In recent years, the study of mammalian acrosomal exocytosis has yielded some major advances that challenge the long-held, general paradigms in the field. Principally, the idea that sperm must be acrosome-intact to bind to the zona pellucida of unfertilized eggs, based largely on in vitro fertilization studies of mouse oocytes denuded of the cumulus oophorus, has been overturned by experiments using state-of-the-art imaging of cumulus-intact oocytes and fertilization experiments where eggs were reinseminated by acrosome-reacted sperm recovered from the perivitelline space of zygotes. From a molecular point of view, acrosome exocytosis is a synchronized and tightly regulated process mediated by molecular mechanisms that are homologous to those reported in neuroendocrinal cell secretions. The authors provide a broader perspective, focusing on a limited number of important topics that are essential for understanding the molecular mechanisms governing this step in the fertilization process. They also discuss molecular aspects such as the signaling pathways leading to exocytosis, including the participation of ion channels, lipids, the fusion machinery proteins and the actin cytoskeleton as well as cellular aspects such as the site of acrosomal exocytosis and the use of gene-manipulated animals to study this process.
Bibliography Note Includes bibliographical references at the end of each chapters.
Note Online resource; title from PDF title page (SpringerLink, viewed May 26, 2016).
ISBN 9783319305677 (electronic bk.)
3319305670 (electronic bk.)
9783319305653 (print)
OCLC # 950459481
Additional Format Print version: Buffone, Mariano G. Sperm Acrosome Biogenesis and Function During Fertilization. Cham : Springer International Publishing, 2016 9783319305653

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