“When I/I differentiated 3T3-L1 adipocytes were incubated with different concentrations of dibutyryl cAMP (db-cAMP) or POMC-derived peptides (ACTH and alpha-MSH), ACTH and alpha-MSH stimulated cAMP production after 30 min (2-fold increase) associated with a dose-dependent inhibition of leptin secretion (ACTHz.”