Modulates NF-κB/P4HA2 axis and LMCD1-AS1/let-7g/P4HA2 axis in hepatocellular carcinoma. Induces high expression of DNA mismatch repair proteins hMLH1, hMSH2, hMSH6 and hPMS2. The gene discussed is PTGDR; the disease is hepatocellular carcinoma.