RRP15 and hepatocellular carcinoma: RRP15 expression profile was accessed by IHC in a human TMA containing 79 paired HCC and peritumor tissues and representative images were shown in Fig. 1E. The results indicated that RRP15 were scored as positive expression in 36.53% of HCC tissues, as compared with 24.83% of corresponding peritumor tissues (Fig. 1E).