H2 S Donor NaHS Changes the Production of Endogenous H2 S and NO in D-Galactose-Induced Accelerated Ageing

Oxidative Medicine and Cellular Longevity
Wei WuQian-Zhou Lv

Abstract

Aims. The study was designed to explore whether hydrogen sulphide (H2S) and nitric oxide (NO) generation changed in D-galactose- (D-gal-) induced ageing, the possible effects of exogenous H2S supplementation, and related mechanisms. Results. In D-gal-induced senescent mice, both H2S and NO levels in the heart, liver, and kidney tissues were decreased significantly. A similar trend was observed in D-gal-challenged human umbilical vein endothelial cells (HUVECs). Sustained H2S donor (NaHS) treatment for 2 months elevated H2S and NO levels in these mice, and during this period, the D-gal-induced senescent phenotype was reversed. The protective effect of NaHS is associated with a decrease in reactive oxygen species levels and an increase in antioxidants, such as glutathione, and superoxide dismutase and glutathione peroxidase activities. Increased expression of the H2S-producing enzymes cystathionine γ-lyase (CSE) and cystathionine-β-synthase (CBS) in the heart, liver, and kidney tissues was observed in the NaHS-treated groups. NaHS supplementation also significantly postponed D-gal-induced HUVEC senescence. Conclusions. Endogenous hydrogen sulphide production in both ageing mice and endothelial cells is insufficient. Exogenous H2S...Continue Reading

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Citations

Nov 15, 2019·British Journal of Pharmacology·Andreas PapapetropoulosRui Wang
Jan 25, 2018·Journal of Cellular and Molecular Medicine·Cherry Bo-HtayNipon Chattipakorn
May 24, 2018·BioMed Research International·José Sérgio Possomato-VieiraCarlos A Dias-Junior
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Sep 4, 2021·American Journal of Physiology. Heart and Circulatory Physiology·Gabrielle A DillonLacy M Alexander

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Methods Mentioned

BETA
nuclear translocation
PCR

Software Mentioned

SPSS

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