Leptin induces mitochondrial superoxide production and monocyte chemoattractant protein-1 expression in aortic endothelial cells by increasing fatty acid oxidation via protein kinase A - Yamagishi,S.I.; Edelstein,D.; Du,X.L.; Kaneda,Y.; Guzman,M.; Brownlee,M. (J Biol Chem, 2001)