PLEKHB1 and gestational diabetes: DMRs within ZMYND8 and PLEKHB1 were common to GDM, FPG, 1-h, and 2-h PG; ZMYND8 is an epigenetic reader that provides a structural template for histone peptide recognition [58] and is known to be involved in coordinating gene expression programs associated with cell proliferation, migration, and DNA repair.