The "Gap junction assembly" pathway involves four magenta module genes (GJB2, GJB4, GJB5, GJB6). Deng Yun Li et al.107 and Seon-Sook Han et al. 108 reported that GJB2 expression is aberrantly higher in Lung adenocarcinoma than in control tissue. Here, GJB4 is linked to lung adenocarcinoma.