Sperm-induced Ca2+ release during egg activation in mammals

被引:55
作者
Kashir, Junaid [1 ]
Nomikos, Michail [1 ]
Lai, F. Anthony [1 ]
Swann, Karl [1 ]
机构
[1] Cardiff Univ, Sch Med, Inst Mol & Expt Med, Cardiff CF14 4XN, S Glam, Wales
基金
英国惠康基金; 英国生物技术与生命科学研究理事会;
关键词
Phospholipase C (PLC); PLCzeta; Egg activation; Calcium oscillations; Sperm; Fertilization; PHOSPHOLIPASE-C-ZETA; REPETITIVE CALCIUM TRANSIENTS; INOSITOL 1,4,5-TRISPHOSPHATE RECEPTOR; PROTEIN-KINASE-C; PLC-ZETA; OOCYTE-ACTIVATION; MOUSE EGGS; CELL-CYCLE; INTRACELLULAR CALCIUM; ROUND SPERMATIDS;
D O I
10.1016/j.bbrc.2014.04.078
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
This review discusses the role that the sperm-specific phospholipase C zeta (HA) is proposed to play during the fertilization of mammalian eggs. At fertilization, the sperm initiates development by causing a series of oscillations in cytosolic concentrations of calcium [Ca-2] within the egg. PLC zeta mimics the sperm at fertilization, causing the same pattern of Ca2+ release as seen at fertilization. Introducing PLC zeta into mouse eggs also mimics a number of other features of the way in which the fertilizing sperm triggers Ca2+ oscillations. We discuss the localization of PLC zeta within the egg and present a hypothesis about the localization of PLC zeta within the sperm before the initiation of fertilization. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:1204 / 1211
页数:8
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