Beta Cell Failure in Diet-Induced Obese mice stratified according to body weight gain: secretory dysfunction and altered islet lipid metabolism without steatosis or reduced beta cell mass - Peyot, M L; Pepin, E; Lamontagne, J; Latour, M G; Zarrouki, B; lussier, R; Pineda, M; Jetton, T L; Madiraju, S R; Joly, E; Prentki, M (Diabetes, 2010)