glutathione peroxidase pronunciation Glutathione Peroxidase (GPx)

A systematic review published in International Psychogeriatrics examined 43 studies investigating the association of vitamin B12 and cognitive impairment or dementia and 17 studies reporting the efficacy of vitamin B12 therapy for these cognitive conditions

The subunits are ribonucleoprotein complexes comprised of rRNA and ribosomal proteins (rProteins) (9)

Mutual synergy between catalase and peroxidase activities of the bifunctional enzyme KatG is facilitated by electron hole-hopping within the enzyme

While this idea shows a more complex picture from the popular one where free radicals and oxidants are bad and antioxidants are good, it implies that GSH is an essential molecule not only in acting as an antioxidant but also in the absence of oxidative stress, as an endogenous signaling molecule