Previous reports have shown that CCNL1 is involved in regulating the occurrence and development of various tumors, such as head and neck cell carcinoma [7, 8], prostate cancer [9], pancreatic cancer [10], EBV-positive nasopharyngeal carcinoma [11] and uterine cervical carcinoma [12]. This evidence concerns the gene CCNL1 and Familial prostate cancer.