USP44 and neoplasm: Respectively, the expression of CDO1 (Fig. 5A), CELF2 (Fig. 5B), ITPRIPL1 (Fig. 5C), KCNH8 (Fig. 5D), RIC3 (Fig. 5G), USP44 (Fig. 5H) and ZSCAN23 (Fig. 5J) was significantly lower in tumor tissues, whereas the expression of PTK6 (Fig. 5E) and RAB25 (Fig. 5F) was significantly higher in tumor tissues.