PNPLA3 (Patatin-Like Phospholipase Domain Containing 3): PNPLA3 encodes an enzyme called adiponutrin or patatin-like phospholipase domain-containing protein 3 (PNPLA3). It is involved in lipid metabolism and the hydrolysis of triglycerides in adipocytes. Genetic variations in PNPLA3 are associated with liver diseases, including non-alcoholic fatty liver disease (NAFLD)....