GJA1 and uterine cervix neoplasm: The human papillomavirus E6 oncoprotein binds the central PDZ domain of Dlg1 and can target it for proteasomal degradation (Thomas et al., 2008), and we showed that a three-way complex of Cx43–Dlg1–E6 was present in cervical tumour cells (Sun et al., 2015).