Yen et al. (1) demonstrated that AST and ALT levels were normalized by administration of B. lactis V9 to obese mice for 4 weeks, while Zhao et al. (4) reported that L. plantarum CQPC02 exerts a hepato-protective effect by reducing the accumulation of lipid droplets and hepatic steatosis. The gene discussed is GPT; the disease is Hepatic steatosis.