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High-glutathione mesenchymal stem cells isolated using the FreSHtracer probe enhance cartilage regeneration in a rabbit chondral defect model

The decline in pulsatile GH secretion throughout early adulthood in mice is exacerbated by dietary-induced weight gain

Brilhante et al., 2015)

The characteristics of glutathione are the following: (a) discovered by Hopkins in 1921 [67], (b) synthesized intracellularly by glutamate-cysteine ligase and glutathione synthetase [68], (c) exists in reduced (GSH) and oxidized (GSSG) forms, maintaining cellular redox balance [69], (d) functions in melanogenesis inhibition through tyrosinase suppression and pheomelanin synthesis [70], and (e) oral bioavailability is enhanced through liposomal formulations, S -acetyl derivatives, or co-administration with precursors [71]

The molecule serves as the rate-limiting step for regenerating NADPH in the glutathione-ascorbate cycle