Clinical investigations demonstrate that NAFLD/NASH patients exhibit enhanced nuclear SREBP2 localization, accompanied by increased HMGCR transcriptional/translational activity and phosphorylation, while showing reduced LDLR expression and impaired ABC transporter (ABCA1, ABCG1, ABCG5) function. The gene discussed is ABCA1; the disease is metabolic dysfunction-associated steatohepatitis.