Cxs are frequently deregulated in cancers from different origins, either by reduction, lack of expression, or upregulation.28, 29 In this study, we found that various NSCLC cell lines have high level of Cx26, but moderate level of Cx32 and Cx31.1, and only low level of Cx43. Here, GJB2 is linked to non-small cell lung carcinoma.