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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.
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页码:1204 / 1211
页数:8
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