For the HEDS assays, either GSH was varied between 100 M and 1.5 mM for ScGrx (or 250 M and 3.0 mM for PfGrx) at fixed concentrations of HEDS (0.18, 0.37, 0.55 and 0.74 mM) or HEDS was varied between 90 and 920 M at fixed concentrations of GSH (0.3, 0.5, 1 and 1.5 mM for ScGrx7 or 0.25, 0.5, 1 and 2 mM for PfGrx)
Add small amounts of additional bacteriostatic water if powder remains after gentle swirling
In comparison, PI or NL scan on an earlier version of triple quadrupole-linear ion trap instrument (Qtrap 4000) is relatively slow
As a natural antioxidant, glutathione comes from the liver, where its normally created
Overall, these findings in HIV patients provide proof-of-concept that dietary supplementation of GlyNAC improves multiple hallmarks of aging and that glutathione deficiency and oxidative stress could contribute to them