國家衛生研究院 NHRI:Item 3990099045/10566
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    题名: Hydrogen gas protects IP3Rs by reducing disulfide bridges in human keratinocytes under oxidative stress
    作者: Wu, CY;Hsu, WL;Tsai, MH;Liang, JL;Lu, JH;Yen, CJ;Yu, HS;Noda, M;Lu, CY;Chen, CH;Yan, SJ;Yoshioka, T
    贡献者: National Institute of Environmental Health Sciences
    摘要: Based on the oxidative stress theory, aging derives from the accumulation of oxidized proteins induced by reactive oxygen species (ROS) in the cytoplasm. Hydrogen peroxide (H2O2) elicits ROS that induces skin aging through oxidation of proteins, forming disulfide bridges with cysteine or methionine sulfhydryl groups. Decreased Ca2+ signaling is observed in aged cells, probably secondary to the formation of disulfide bonds among Ca2+ signaling-related proteins. Skin aging processes are modeled by treating keratinocytes with H2O2. In the present study, H2O2 dose-dependently impaired the adenosine triphosphate (ATP)-induced Ca2+ response, which was partially protected via co-treatment with beta-mercaptoethanol, resulting in reduced disulfide bond formation in inositol 1, 4, 5-trisphosphate receptors (IP3Rs). Molecular hydrogen (H2) was found to be more effectively protected H2O2-induced IP3R1 dysfunction by reducing disulfide bonds, rather than quenching ROS. In conclusion, skin aging processes may involve ROS-induced protein dysfunction due to disulfide bond formation, and H2 can protect oxidation of this process.
    日期: 2017-06-15
    關聯: Scientific Reports. 2017 Jun 15;7:Article number 3606.
    Link to: http://dx.doi.org/10.1038/s41598-017-03513-2
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2045-2322&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000403314500054
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85020929785
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