ZNF660 and Familial prostate cancer: Promoter methylation of two genes, namely ST6GALNAC3 and ZNF660, after being evaluated in 705 prostate cancer tissues and 110 nonmalignant tissue samples, was reported to be cancer‐specific with an area under curve in ROC curves of 0.917–0.995 and 0.846–0.903 [51].