Leptin's long-distance call to the pancreas
Tuesday, December 23, 2008 - 10:49
in Physics & Chemistry
Rube Goldberg - the cartoonist who devised complex machines for simple tasks - would have smiled at one of leptin's mechanisms for curbing insulin release. As Hinoi et al. show, the fat-derived hormone enlists the sympathetic nervous system to prevent bone-making cells from releasing a molecule that prods the pancreas to discharge insulin...