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Zinc ion flux during mammalian sperm capacitation
K. Kerns, M. Zigo, EZ. Drobnis, M. Sutovsky, P. Sutovsky,
Jazyk angličtina Země Anglie, Velká Británie
Typ dokumentu časopisecké články, Research Support, N.I.H., Extramural, práce podpořená grantem
NLK
Directory of Open Access Journals
od 2015
Free Medical Journals
od 2010
Nature Open Access
od 2010-12-01
PubMed Central
od 2012
Europe PubMed Central
od 2012
ProQuest Central
od 2010-01-01
Open Access Digital Library
od 2015-01-01
Open Access Digital Library
od 2015-01-01
Medline Complete (EBSCOhost)
od 2012-11-01
Health & Medicine (ProQuest)
od 2010-01-01
ROAD: Directory of Open Access Scholarly Resources
od 2010
Springer Nature OA/Free Journals
od 2010-12-01
- MeSH
- analýza spermatu MeSH
- chelátory farmakologie MeSH
- chloridy farmakologie MeSH
- kapacitace spermií účinky léků fyziologie MeSH
- kationty dvojmocné metabolismus MeSH
- prasata MeSH
- průtoková cytometrie metody MeSH
- sloučeniny zinku farmakologie MeSH
- spermie metabolismus MeSH
- zinek metabolismus MeSH
- zvířata MeSH
- Check Tag
- mužské pohlaví MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Research Support, N.I.H., Extramural MeSH
Sperm capacitation, the ultimate maturation event preparing mammalian spermatozoa for fertilization, was first described in 1951, yet its regulatory mechanisms remain poorly understood. The capacitation process encompasses an influx of bicarbonate and calcium ions, removal of decapacitating factors, changes of pH and sperm proteasomal activities, and the increased protein tyrosine phosphorylation. Here, we document a novel biological phenomenon of a unique zinc (Zn2+) ion redistribution associated with mammalian sperm in vitro capacitation (IVC). Using image-based flow cytometry (IBFC), we identified four distinct types of sperm zinc ion distribution patterns (further zinc signature) and their changes during IVC. The zinc signature was altered after sperm capacitation, reduced by proteasomal inhibitors, removed by zinc chelators, and maintained with addition of external ZnCl2. These findings represent a fundamental shift in the understanding of mammalian fertilization, paving the way for improved semen analysis, in vitro fertilization (IVF), and artificial insemination (AI).
Citace poskytuje Crossref.org
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- $a Sperm capacitation, the ultimate maturation event preparing mammalian spermatozoa for fertilization, was first described in 1951, yet its regulatory mechanisms remain poorly understood. The capacitation process encompasses an influx of bicarbonate and calcium ions, removal of decapacitating factors, changes of pH and sperm proteasomal activities, and the increased protein tyrosine phosphorylation. Here, we document a novel biological phenomenon of a unique zinc (Zn2+) ion redistribution associated with mammalian sperm in vitro capacitation (IVC). Using image-based flow cytometry (IBFC), we identified four distinct types of sperm zinc ion distribution patterns (further zinc signature) and their changes during IVC. The zinc signature was altered after sperm capacitation, reduced by proteasomal inhibitors, removed by zinc chelators, and maintained with addition of external ZnCl2. These findings represent a fundamental shift in the understanding of mammalian fertilization, paving the way for improved semen analysis, in vitro fertilization (IVF), and artificial insemination (AI).
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- $a Zigo, Michal $u Division of Animal Sciences, University of Missouri, Columbia, MO, 65211-5300, USA. Laboratory of Reproductive Biology, Institute of Biotechnology, Czech Academy of Sciences, v.v.i., 25242, Vestec, Czech Republic.
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