PPARG and fatty liver disease: The loss of hepatocyte-specific expression of PPARγ (PpargΔHep) reduces diet-induced liver steatosis (Lee et al., 2021a; Wolf Greenstein et al., 2017) and slows the progression of steatohepatitis in mice fed a methionine/choline-deficient (MCD) diet (Cordoba-Chacon, 2020).