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Abstract A proper dialogue between spermatozoa and the egg is essential for conception of a new individual in sexually reproducing animals. Ca 2+ is crucial in orchestrating this unique event leading to a new life. No wonder that nature has devised different Ca 2+ -permeable channels and located them at distinct sites in spermatozoa so that they can help fertilize the egg. New tools to study sperm ionic currents, and image intracellular Ca 2+ with better spatial and temporal resolution even in swimming spermatozoa, are revealing how sperm ion channels participate in fertilization. This review critically examines the involvement of Ca 2+ channels in multiple signaling processes needed for spermatozoa to mature, travel towards the egg, and fertilize it. Remarkably, these tiny specialized cells can express exclusive channels like CatSper for Ca 2+ and SLO3 for K + , which are attractive targets for contraception and for the discovery of novel signaling complexes. Learning more about fertilization is a matter of capital importance; societies face growing pressure to counteract rising male infertility rates, provide safe male gamete-based contraceptives, and preserve biodiversity through improved captive breeding and assisted conception initiatives. « Previous | Next Article » Table of Contents This Article doi: 10.​1152/​physrev.​00028.​2010 Physiol Rev October 2011 vol. 91 no. 4 1305-1355 » Abstract Free Full Text Free to you Full Text (PDF) Free to you Classifications Article Services Email this article to a friend Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Download to citation manager Citing Articles Load citing article information Citing articles via Web of Science Google Scholar Articles by Darszon, A. Articles by Treviño, C. L. PubMed Articles by Darszon, A. Articles by Treviño, C. L. Related Content Load related web page information Current Issue October 2011, 91 (4) Alert me to new issues of Physiol Rev About the Journal Information for Authors Submit a Manuscript Ethical Policies AuthorChoice PubMed Central Policy Reprints and Permissions Advertising Press Copyright © 2011 the American Physiological Society Print ISSN: 0031-9333 Online ISSN: 1522-1210 var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-2924550-1"); pageTracker._trackPageview();

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Calcium Channels in the Development, Maturation, and Function of Spermatozoa

Darszon, Alberto; Nishigaki, Takuya; Beltran, Carmen; Treviño, Claudia L.
Physiological Reviews , Volume 91 (4): 1305
The American Physiological SocietyOct 1, 2011

More Info

  • Publisher American Physiological Society
  • Copyright Copyright © 2011 the American Physiological Society
  • ISSN 0031-9333
  • eISSN 1522-1210
  • D.O.I. 10.1152/physrev.00028.2010
  • Publisher site Get PDF  

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