Leptin has become a hot area for obesity research since the discovery of a mutation in the mouse leptin gene that increases the animals’ appetite while lowering their metabolic rate.
An upcoming study should help reveal how two kinds of sugars in our foods, glucose and fructose, affect the body’s production of leptin and insulin. Agricultural Research Service chemist Nancy L. Keim, Peter J. Havel and Craig H. Warden, a genetics and pediatrics researcher at U.C. Davis, are collaborating in this leptin and insulin investigation. […]