The role of ARG2 has been investigated in cardiovascular disease [33], fibroblasts senescence [34], melanosomes senescence [35], nonalcoholic fatty liver disease (NAFLD) associates with obesity and type 2 diabetes [36], pancreatic cancer [31], and non-small-cell lung cancer [37]. The gene discussed is ARG2; the disease is metabolic dysfunction-associated steatotic liver disease.