NAD+ Protects Hepatocytes Against Palmitate-Induced Lipotoxicity by Preventing PARP-1 Inhibition and mTORC1-p300 Pathway Activation Research Background Metabolic dysfunction-associated fatty liver disease (MAFLD) encompasses a spectrum of liver diseases ranging from simple steatosis to steatohepatitis, fibrosis/cirrhosis, and even hepatocellular ca...