GABBR2 and non-small cell lung carcinoma: The gene expression of GABRA3, GABRE and GABBR2 was significantly higher in primary NSCLC tissues than in the paired non-cancerous tissues (GABRA3, t = 2.227, P = 0.030; GABRE, t = 2.148, P = 0.036; GABBR2, t = 2.928, P = 0.005; Figure 3A, B and C).