CSNK2A1 and cervical carcinoma: For this, we analysed DLG1 levels in the cervical carcinoma C4-1 cells, which bear a single copy of the HPV-18 genome, and in two derived cell lines (B8 and A15), that were generated by genome editing, introducing mutations into the 18E7 CKII site which prevent its phosphorylation [28].