GLG1 and prostate neoplasm: More importantly, this elevated ESL-1 expression was also found in the xenografted prostate tumors derived from mice implanted with rolling PC-3 cells, as compared to prostate of mice receiving floating PC-3 cells by Western blotting analysis (Figure 4C) as well as immunohistochemistry of prostate tissues of floating and rolling PC-3 cell xenografted mice (Figure 4D).