glutathione phase 2 metabolism of S-Conjugates: Multiple Pathways Phase II Drug Metabolism

An increased Kyn/Trp ratio reflects increased IDO1 activity, which can be induced by pro-inflammatory cytokines, including interferon- (IFN-), IL-6, and IL-1 [80]

doi: 10.20945/2359-3997000000186 15 SvendahlLCookeRTidbladABeckersDButlerGCianfaraniSet al

Moreover, the FDA-approved anticoagulant drug warfarin, a small-molecule inhibitor of VKORC1L1, suppresses tumor growth by inducing ferroptotic cell death in vivo, indicating that warfarin may be a potential anticancer drug, especially for cancer patients with high VKORC1L1 expression

This can be used later to distinguish between disklabels of otherwise identical disks