MSH2 and pancreatic adenocarcinoma: A positive correlation between ACTB expression and MutL homolog 1 (MLH1), MutS homolog 2 (MSH2), and MutS homolog 6 (MSH6) was shown in BLCA, KICH, KIRP, LIHC, Pancreatic adenocarcinoma (PAAD) and THYM (Figure 6(b)).