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Cellular protection: As an antioxidant, glutathione fights against free radicals
Role of Nrf2 signaling in regulation of antioxidants and phase 2 enzymes in cardiac fibroblasts: protection against reactive oxygen and nitrogen species-induced cell injury
Substrates for furin cleavage possess a specific 20-residue recognition sequence motif, which includes: pro- parathyroid hormone (PTH), transforming growth factor (TGF)-1 precursor, pro - albumin , membrane type-1 matrix metalloproteinase (MMP), -subunit of pro- nerve growth factor , and von Willebrand factor 337
In addition, the GHS has been reported to have the following potential benefits in adults when given orally [5, 7]: Increased muscle mass without increases in adiposity Reduction of cholesterol levels Improved sleep It's important to note that MK-677 is still under investigation and has not received FDA approval for any indication
GSH can also serve as a substrate for S-glutathionylation of proteins in the presence of small redox enzyme glutaredoxins (GRX), which also utilizes GSH as a cofactor ( Figure 1 )