MST1 and metabolic dysfunction-associated steatohepatitis: The experimental design employed two murine genetic models—wild-type (WT) controls and MST1-knockout (MST1-KO) specimens—subjected to a nutritionally modified Western diet (WD) enriched with saturated fats, simple carbohydrates, and dietary cholesterol to induce non-alcoholic steatohepatitis (NASH) pathogenesis.