Endogenously produced hydrogen sulfide is involved in porcine oocyte maturation in vitro
Jazyk angličtina Země Spojené státy americké Médium print-electronic
Typ dokumentu časopisecké články, práce podpořená grantem
PubMed
26456342
DOI
10.1016/j.niox.2015.09.007
PII: S1089-8603(15)30021-5
Knihovny.cz E-zdroje
- Klíčová slova
- Cumulus expansion, GVBD, Gasotransmitter, Hydrogen sulfide, Meiotic maturation, Oocyte,
- MeSH
- imunohistochemie MeSH
- kvantitativní polymerázová řetězová reakce MeSH
- kyselina hyaluronová chemie MeSH
- oocyty enzymologie růst a vývoj MeSH
- prasata růst a vývoj fyziologie MeSH
- sulfan metabolismus MeSH
- western blotting MeSH
- zvířata MeSH
- Check Tag
- ženské pohlaví MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Názvy látek
- kyselina hyaluronová MeSH
- sulfan MeSH
Hydrogen sulfide, one of three known gasotransmitters, is involved in physiological processes, including reproductive functions. Oocyte maturation and surrounding cumulus cell expansion play an essential role in female reproduction and subsequent embryonic development. Although the positive effects of exogenous hydrogen sulfide on maturing oocytes are well known, the role of endogenous hydrogen sulfide, which is physiologically released by enzymes, has not yet been described in oocytes. In this study, we observed the presence of Cystathionine β-Synthase (CBS), Cystathionine γ-Lyase (CTH) and 3-Mercaptopyruvate Sulfurtransferase (3-MPST), hydrogen sulfide-releasing enzymes, in porcine oocytes. Endogenous hydrogen sulfide production was detected in immature and matured oocytes as well as its requirement for meiotic maturation. Individual hydrogen sulfide-releasing enzymes seem to be capable of substituting for each other in hydrogen sulfide production. However, meiosis suppression by inhibition of all hydrogen sulfide-releasing enzymes is not irreversible and this effect is a result of M-Phase/Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinase (MAPK) activity inhibition. Futhermore, cumulus expansion expressed by hyaluronic acid (HA) production is affected by the inhibition of hydrogen sulfide production. Moreover, quality changes of the expanded cumuli are indicated. These results demonstrate hydrogen sulfide involvement in oocyte maturation as well as cumulus expansion. As such, hydrogen sulfide appears to be an important cell messenger during mammalian oocyte meiosis and adequate cumulus expansion.
Charles University Prague Faculty of Medicine in Pilsen Biomedical Centre Pilsen Czech Republic
Institute of Animal Physiology and Genetics Czech Academy of Sciences Liběchov Czech Republic
Research Institute of Animal Production Prague Czech Republic
Citace poskytuje Crossref.org
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