SLC35E1 and posterior cortical atrophy: Moreover, proliferation of PC3 cells was evaluated by CCK8 assay, which showed that CSNK1D or SLC35E1 ablation inhibited the proliferative capability, and administration of olaparib further inhibited the proliferative of PCa cells in the CSNK1D or SLC35E1 ablation groups (Figure 6D).