SLC2A4 and gestational diabetes: In a study conducted by Shi et al. [129] on the expression of miR-222 on omental adipose tissue which was taken from the GDM patients, it was reported that miR-222 was upregulated in omental tissue, which led to the downregulation of estrogen receptor-α (ER-α) and GLUT4 in GDM omental tissue.