de Carvalho-Ferreira de Carvalho-Ferreira JP JP Masquio Masquio DC DC da Silveira Campos da Silveira Campos RM RM Dal Molin Netto Dal Molin Netto B B Corgosinho Corgosinho FC FC Sanches Sanches PL PL et al et al Is there a role for leptin in the reduction of depression symptoms during weight loss therapy in obese adolescent girls and boys? This evidence concerns the gene LEP and major depressive disorder.