And we also found that NNT-AS1 could regulate the expression of miR-363, miR-129-5p and miR-142-3p in CCLP1 and TFK1 cells, suggesting that miRNAs other than miR-203 might also be participated in the regulation of NNT-AS1 in CCA. Here, PPFIBP2 is linked to cholangiocarcinoma.