On the other hand, in the PCa UB fractions there were an increase of non-core fucosylated PSA glycoforms, A2G2S1 (α2,3) (in cancer samples with group 1 pattern) and A2G1GalNAc1S1 (α2,3) (in cancer samples with group 2 pattern). Here, KLK3 is linked to posterior cortical atrophy.