STK26 and fatty liver disease: While we found no difference in the severity of MASH in MCD diet-fed Mst4–/– mice vs. wild-type littermates, we observed that both genotypes challenged by an MCD diet developed marked liver steatosis, inflammation, cell damage, and fibrosis compared with age-matched wild-type mice fed a control (chow) diet, which serve as a reference group in most assays (Figure 6 and Figure 7; Supplementary Figure S4).