COL13A1 and Familial prostate cancer: To understand whether the expression of COL13A1 is related to the metastasis of prostate cancer, we evaluated the expression of COL13A1 in three differently originated prostate cancer cell lines, namely LNCaP (hormone-sensitive, from the lymph node), DU145 (castration-resistant, from the brain), and PC3 (castration-resistant, from the bone).