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Hydrogen Sulfide Impairs Meiosis Resumption in Xenopuslaevis Oocytes
A. Gelaude, S. Slaby, K. Cailliau, M. Marin, A. Lescuyer-Rousseau, C. Molinaro, J. Nevoral, V. Kučerová-Chrpová, M. Sedmikova, J. Petr, A. Martoriati, JF. Bodart,
Language English Country Switzerland
Document type Journal Article, Research Support, Non-U.S. Gov't
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PubMed
31963573
DOI
10.3390/cells9010237
Knihovny.cz E-resources
- MeSH
- Apoptosis drug effects MeSH
- Cyclin B metabolism MeSH
- Cystathionine beta-Synthase antagonists & inhibitors metabolism MeSH
- Cystathionine gamma-Lyase antagonists & inhibitors metabolism MeSH
- Cytoplasm metabolism MeSH
- Maturation-Promoting Factor metabolism MeSH
- cdc25 Phosphatases metabolism MeSH
- Catalase metabolism MeSH
- Meiosis drug effects MeSH
- Metaphase drug effects MeSH
- Oocytes chemistry enzymology metabolism MeSH
- Meiotic Prophase I drug effects MeSH
- Protein Kinases metabolism MeSH
- Cell Cycle Proteins metabolism MeSH
- Xenopus Proteins metabolism MeSH
- Reactive Oxygen Species metabolism MeSH
- Signal Transduction drug effects MeSH
- Hydrogen Sulfide metabolism MeSH
- Sulfides metabolism pharmacology MeSH
- Sulfurtransferases antagonists & inhibitors metabolism MeSH
- Superoxide Dismutase metabolism MeSH
- Cell Survival drug effects MeSH
- Xenopus laevis MeSH
- Animals MeSH
- Check Tag
- Female MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
The role of hydrogen sulfide (H2S) is addressed in Xenopuslaevis oocytes. Three enzymes involved in H2S metabolism, cystathionine β-synthase, cystathionine γ-lyase, and 3-mercaptopyruvate sulfurtransferase, were detected in prophase I and metaphase II-arrested oocytes and drove an acceleration of oocyte meiosis resumption when inhibited. Moreover, meiosis resumption is associated with a significant decrease in endogenous H2S. On another hand, a dose-dependent inhibition was obtained using the H2S donor, NaHS (1 and 5 mM). NaHS impaired translation. NaHS did not induce the dissociation of the components of the M-phase promoting factor (MPF), cyclin B and Cdk1, nor directly impacted the MPF activity. However, the M-phase entry induced by microinjection of metaphase II MPF-containing cytoplasm was diminished, suggesting upstream components of the MPF auto-amplification loop were sensitive to H2S. Superoxide dismutase and catalase hindered the effects of NaHS, and this sensitivity was partially dependent on the production of reactive oxygen species (ROS). In contrast to other species, no apoptosis was promoted. These results suggest a contribution of H2S signaling in the timing of amphibian oocytes meiosis resumption.
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