FOLH1 and Familial prostate cancer: Prostate-specific membrane antigen, which contains fucosylated oligosaccharides, is an important marker of prostate cancer, and its level is increased many folds in prostate cancer and in the neovasculature of other tumors (Fitton et al., 2003; Ghosh and Heston, 2003; Synytsya et al., 2010).