PPARβ/δ contributes to the antidiabetic effect and the increase in GDF15 caused by metformin. - Jurado-Aguilar J; Barroso E; Rada P; Peyman M; Rostami A; Balsinde J; Valverde ÁM; Wahli W; Palomer X; Vázquez-Carrera M (Acta pharmacologica Sinica, 2026)