Animals Mice (8–40 weeks old) were housed under controlled light conditions (12 h light/12 h dark) and temperature (22 °C) and fed ad libitum on standard mouse chow. Mice were randomized to treatment group on the basis of body weight. Unless noted otherwise, all mice were male. Mice were group housed except for studies for food intake measurements. Mice used were: B6.Cg-Gt(ROSA)26Sortm14(CAG-tdTomato)Hze/J, with Cre-dependent tdTomato …
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