glutathione detoxification mechanism Homeostasis and Functions: Potential Targets for Medical Interventions - Lushchak - 2012 - Journal of Amino Acids Role of Glutathione in detoxification

Disruption of amino acid homeostasis by novel ASCT2 inhibitors involves multiple targets

Effect of phyllanthus niruri on metabolic parameters of patients with kidney stone: a perspective for disease prevention

At the molecular level, 5-amino-1MQ functions as a competitive inhibitor of NNMT, demonstrating remarkable potency with an IC of 1.2 0.1 M under standard assay conditions (50 M SAM, 100 M nicotinic acid). This represents a dramatic 10-fold improvement over the parent compound 1-methylquinolinium, achieved through strategic amino group substitution that enhances binding affinity to the NNMT active site. The compound's mechanism centers on preventing the methylation of nicotinamide to 1-methylnicotinamide (1-MNA), thereby preserving nicotinamide for recycling back to NAD+ through the salvage pathway. This intervention effectively blocks what researchers have termed the "NNMT metabolic drain" a process that simultaneously depletes NAD+ precursors and consumes cellular methylation capacity

However, maintaining robust GPx through diet and lifestyle may slow these effects, promoting healthier longevity