cysteine glutathione disulfide Cysteine-glutathione Enzymatic Regulation and Biological Functions

In somatic cells, however, hTERT transcription is suppressed through a combination of epigenetic silencing (promoter methylation, histone deacetylation) and transcriptional repressors including Sp3, Mad1, and E2F-dependent mechanisms

The human tripeptide GHK (glycyl-L-histidyl-L-lysine) in the prevention of oxidative stress and degenerative conditions of aging: Implications for cognitive health.International Journal of Molecular Sciences, 18(7), 1987

Furthermore, the residue could contribute to the stabilization of the thiolate of the catalytic cysteine as reported for human Grx1 (ref

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Front Cell Dev Biol 10:1070208 Daz-Castro B, Robel S, Mishra A (2023) Astrocyte endfeet in brain function and pathology: open questions

Liposomal glutathione, a popular choice among health enthusiasts, has gained considerable attention for its potential antioxidant properties and ability to support cellular health