Investigators ID gene involved in autism; New treatment could target bacterial infections; Obesity plays role in autoimmune disease;

> Using mouse models and induced pluripotent stem cells, researchers at UC San Diego have identified a new gene that plays a role in Rett syndrome, a syndromic form of autism. Release

> A specially engineered lipid can be used to stop bacteria from killing human cells, according to researchers at the University of Liverpool, offering a potential new treatment for antibiotic-resistant bacterial infections. Story

> A new study from Tel Aviv University concludes that obesity plays a role in spurring chronic autoimmune diseases like Crohn's and multiple sclerosis. Release