MTOR and metabolic dysfunction-associated steatohepatitis: Comparing the two NASH model mice (TSOD mice and C57BL/6J mice fed 45% CDAHFD), both showed NASH-like histology in their liver tissues including fatty degeneration, inflammatory cell infiltration, fibrosis, and tumor development, but the severity was greater in the TSOD case featuring overexpression of p-mTOR.