TF, a natural chelator abundant in plasma, possesses two high-affinity iron-binding sites
However, GSH depletion is a most characteristic finding when red blood cells are subjected to oxidative challenge, and in one careful study it has been demonstrated that during an attack of favism, the first measurable biochemical change is a decrease in NADPH, followed by a decrease in GSH, in keeping with stages 1 and 2 described earlier
Future Med Chem 1:13331349
Biologically, high glutathione levels suppress melanin production, but the individual amino acids can interact in conflicting ways within the body
The peptide backbone itself is small and, like other short peptides, is subject to degradation by plasma and tissue peptidases, giving it a short intrinsic half-life
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