Di Ilio C, Sacchetta P, Del Boccio G, Muccini A, Polidoro G
Experientia. 1985 Jan 15;41(1):66-7. doi: 10.1007/BF02005878.
The levels of GSH-related enzyme activities during pregnancy were determined. A significant increase in Selenium-dependent GSH peroxidase and GSH S-transferase E activity was observed. A concomitant increase in gamma-glutamylcysteine synthetase was measured, which indicated an increased ability to synthesize the tripeptide.