Changes in DNA methylation and gene expression of insulin and obesity-related gene PIK3R1 after roux-en-Y gastric bypass - Pinhel, Marcela Augusta de Souza; Noronha, Natália Yumi; Nicoletti, Carolina Ferreira; Pereira, Vanessa Aparecida Batista; Oliveira, Bruno Affonso Parenti de; Cortes-Oliveira, Cristiana; Salgado Júnior, Wilson; Barbosa Júnior, Fernando; Marchini, Julio Sergio; Souza, Dorotéia Rossi Silva; Nonino, Carla Barbosa (International Journal of Molecular Sciences, 2020)