cysteine and glutathione deficiency ๐งช Depletion Pathways 1. Precursor Depletion - Key bottleneck: availability. - Source: Diet or hepatic transsulfuration ( methionine โ homocysteine โ cysteine) A potent alternative cysteine production
A potent alternative cysteine production pathway allows reductase independence Nature Chemical Biology Glutathione Synthetase Deficiency as a Cause of Hereditary Hemolytic Disease New England Journal of Medicine Crosstalk between cystine and glutathione is critical for the regulation of amino acid signaling pathways and ferroptosis Scientific Reports Inborn errors in the metabolism of glutathione Orphanet Journal of Rare Diseases Springer Nature Link
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