CCN2 and non-small cell lung carcinoma: Next, we examined the effect of 5-Aza-2′-deoxycytidine (5-dAzaC), a well-known DNMTs inhibitor, and trichostatin A (TSA), a potent HDACs inhibitor, on the CTGF expression level in two NSCLC cell lines belonging to different histological subtypes—A549 (ADC) and Calu-1 (SCC).