EHMT2 and lung carcinoma: The inhibitors discussed in relation to resensitising lung cancer cells target either EZH2 (GSK126, GSK343, DZNep, GSK343, EPZ011989), G9a/EHMT2 (UNC0642, UNC0638), DOT1L (SGC0946), SMYD3 (EPZ031686) or SMYD2 (BAY-598), some of which were also discussed in this review.