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Hydrogen sulfide donor protects porcine oocytes against aging and improves the developmental potential of aged porcine oocytes
T. Krejcova, M. Smelcova, J. Petr, JF. Bodart, M. Sedmikova, J. Nevoral, M. Dvorakova, A. Vyskocilova, I. Weingartova, V. Kucerova-Chrpova, E. Chmelikova, L. Tumova, F. Jilek,
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články, práce podpořená grantem
Free Medical Journals od 2006
Public Library of Science (PLoS) od 2006
PubMed Central od 2006
Europe PubMed Central od 2006
ProQuest Central od 2006-12-01
Open Access Digital Library od 2006-10-01
Open Access Digital Library od 2006-01-01
Open Access Digital Library od 2006-01-01
Medline Complete (EBSCOhost) od 2008-01-01
Nursing & Allied Health Database (ProQuest) od 2006-12-01
Health & Medicine (ProQuest) od 2006-12-01
Public Health Database (ProQuest) od 2006-12-01
ROAD: Directory of Open Access Scholarly Resources od 2006
Odkazy
PubMed
25615598
DOI
10.1371/journal.pone.0116964
Knihovny.cz E-zdroje
- MeSH
- cystathionin-beta-synthasa metabolismus MeSH
- cystathionin-gama-lyasa metabolismus MeSH
- embryo savčí účinky léků MeSH
- inhibitory enzymů farmakologie MeSH
- kultivace embrya MeSH
- kultivované buňky MeSH
- oocyty účinky léků fyziologie MeSH
- partenogeneze účinky léků MeSH
- prasata MeSH
- stárnutí buněk účinky léků MeSH
- sulfan metabolismus farmakologie MeSH
- sulfurtransferasy metabolismus MeSH
- zvířata MeSH
- Check Tag
- ženské pohlaví MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Porcine oocytes that have matured in in vitro conditions undergo the process of aging during prolonged cultivation, which is manifested by spontaneous parthenogenetic activation, lysis or fragmentation of aged oocytes. This study focused on the role of hydrogen sulfide (H2S) in the process of porcine oocyte aging. H2S is a gaseous signaling molecule and is produced endogenously by the enzymes cystathionine-β-synthase (CBS), cystathionine-γ-lyase (CSE) and 3-mercaptopyruvate sulfurtransferase (MPST). We demonstrated that H2S-producing enzymes are active in porcine oocytes and that a statistically significant decline in endogenous H2S production occurs during the first day of aging. Inhibition of these enzymes accelerates signs of aging in oocytes and significantly increases the ratio of fragmented oocytes. The presence of exogenous H2S from a donor (Na2S.9H2O) significantly suppressed the manifestations of aging, reversed the effects of inhibitors and resulted in the complete suppression of oocyte fragmentation. Cultivation of aging oocytes in the presence of H2S donor positively affected their subsequent embryonic development following parthenogenetic activation. Although no unambiguous effects of exogenous H2S on MPF and MAPK activities were detected and the intracellular mechanism underlying H2S activity remains unclear, our study clearly demonstrates the role of H2S in the regulation of porcine oocyte aging.
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