After affirming the expression of PITPNA-AS1 in HCC cells, we overexpressed PITPNA-AS1 in HepG2 cells by transfecting pcDNA3.1-PITPNA-AS1 and suppressed PITPNA-AS1 in Hep3B cells by transfecting si-PITPNA-AS1#1/2/3. Here, PTGDR is linked to hepatocellular carcinoma.