“… CLA exerted apparently opposed activities in in vitro experiments, depending on its concentration: 100 microM CLA … of splenocytes, in association with apoptosis induction and a decrease of intracellular thiols (GSH + GSSG ), whereas 25 microM CLA did not significantly influence cell …-glutamylcysteine ligase catalytic subunit (GCLC) and intracellular GSH concentration.”