GJB1 and cancer: In other reports, independent of GJ, the ability of Cx to affect apoptosis varies fordifferent Cx and different tissues.36Although Cx composes GJ, recent studies have shown a variety of non-GJ-mediatedeffects of Cx in cancer cells.37, 38 We found that Cx32 was more likely to be foundin cell nuclei in CaCx cells than in controls.