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- W2103627092 endingPage "267" @default.
- W2103627092 startingPage "253" @default.
- W2103627092 abstract "Ca2+ is a ubiquitous intracellular messenger which encodes information by temporal and spatial patterns of concentration. In spermatozoa, several key functions, including acrosome reaction and motility, are regulated by cytoplasmic Ca2+ concentration. Despite the very small size and apparent structural simplicity of spermatozoa, evidence is accumulating that they possess sophisticated mechanisms for regulation of cytoplasmic Ca2+ concentration and generation of complex Ca2+ signals. In this review, we consider the various components of the Ca2+-signalling ‘toolkit’ that have been characterized in somatic cells and summarize the evidence for their presence and activity in spermatozoa. In particular, data accumulated over the last few years show that spermatozoa possess one (and probably two) Ca2+ stores as well as a range of plasma membrane pumps and channels. Selective regulation of the various components of the ‘toolkit’ by agonists probably allows spermatozoa to generate localized Ca2+ signals despite their very small cytoplasmic volume, permitting the discrete and selective activation of cell functions." @default.
- W2103627092 created "2016-06-24" @default.
- W2103627092 creator A5052155686 @default.
- W2103627092 creator A5056572899 @default.
- W2103627092 creator A5076779270 @default.
- W2103627092 creator A5088611793 @default.
- W2103627092 creator A5088793095 @default.
- W2103627092 date "2005-12-07" @default.
- W2103627092 modified "2023-10-18" @default.
- W2103627092 title "Calcium signalling in human spermatozoa: a specialized ‘toolkit’ of channels, transporters and stores" @default.
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