CCNB1 and glioblastoma: However, Pin1 expression does not appear to significantly correlate with FOXM1, CENPF and Cyclin B1 expression in at least mammary, ovarian, renal and endometrial carcinomas and glioblastoma (Supplementary Figure N), suggesting the regulation of FOXM1 activity by Pin1 might be restricted to subsets of cancers.