In white adipose tissue of obese, insulin-resistant and aged mammals, NNMT is dramatically upregulated and because it consumes both the universal methyl donor (SAM) and the NAD precursor (nicotinamide), its hyperactivity simultaneously depletes the cellular methylation reserve and the NAD-salvage pool [1,2]
NRF2 activation has been shown to repress the expression of lipogenic genes 64,65,66,67
Autism spectrum disorder: neurodevelopmental risk factors, biological mechanism, and precision therapy
The two are structurally unrelated and act through different biological pathways, which is the main reason researchers became interested in studying them in combination
analysis of gender and obesity among 120 183 patients from the German/Austrian DVP database