Sp1 transcription factor is involved in the regulation of placental leptin expression. Issue 4 (April 2015) - Schanton, Malena; Toro, Ayelén; Maymó, Julieta; Pérez-Pérez, A.; Gambino, Yésica; Maskin, Bernardo; Margalet, Victor Sánchez; Varone, Cecilia