Both studies performed on animals with A. muciniphila revealed that it decreases body weight and fat mass rise, hepatic steatosis, inflammation, cholesterol, and atherosclerosis; it also enhances insulin sensitivity and restores intestinal barrier function by influencing various factors, such as the thickness of the mucosal membrane, close attachment proteins, antimicrobial peptides, and immunity. The gene discussed is INS; the disease is Hepatic steatosis.