Triiodothyronine (T3) induces proinsulin gene expression by activating PI3K: possible roles for GSK-3β and the transcriptional factor PDX-1 - Goulart-Silva, Francemilson; Serrano-Nascimento, Caroline; Teixeira, S. S.; Nunes, Maria Tereza (Experimental and Clinical Endocrinology Diabetes, 2013)