MLH1 and cancer: N6AMT1 expression was positively correlated with MMR-related genes (including MLH1, MSH2, MSH6, PMS2 and EPCAM) in most cancer types and was positively correlated with all MMR-related genes in CESC, HNSC, KIRP, LAML, LGG, LIHC, PRAD and THCA (Figure 9B).