CDKN2A and lung carcinoma: It has been reported that this compound upregulates p16, p21, and p27gene expression by inhibition of DNMT1 activity in bladder transitional carcinoma cells T24, pancreatic carcinoma CFPAC-1 cells, colon carcinoma HCT15, SW48, and HT-29, and lung carcinoma CALU-1 cell lines (17).