ARHGDIG and neoplasm: Moreover, mRNA expressions of CA14, RPE65, IGSF1, SLC18 A2 and CPNE6 were significantly lower in PCa samples compared to benign samples, while HJURP, COMP, KRTAP5-1, VGF, SSTR1, LINC01612, NAALADL2-AS2, AMH and ARHGDIG were elevated in tumor samples (p < 0.05, Fig. 2I).