INS and gestational diabetes: What is more, Myatt (Muralimanoharan, Maloyan & Myatt, 2016) et al. research of SLC2A1, HK2, PFK and LDHA expression in placenta after cesarean section showed statistically significant upregulation only in GDM women treated with glyburide or insulin in comparison to NGT, no in GDM treated with diet alone.