UCP1 and hepatocellular carcinoma: To confirm whether the difference of UCP expression was due to HBV infection in HCC patients, we assessed whether UCP expression was significantly increased in HBV-positive HCC patients compared to HBV-negative HCC patients with liver hepatocellular carcinoma (TCGA-LIHC) RNA-seqv2 data (Fig. 1d, p > 0.01).