glutathione cystine GSH hoards all the cysteine—what a slimy thing to do Glutathione - Wikipedia

[68,69] This effect of GSH on skin pigmentation was reported half a century ago, with black human skin shown to exhibit lower levels of GSH than white skin

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By studying multiple sequences together, researchers can assess complex interaction patterns, comparability across pathways, and differential responses in controlled environments

Z., Saphirstein, R