PLAC1 and prostate carcinoma: In flow cytometry analysis of prostate cancer cells, 2H12C12 recognized surface PLAC1 in 38.6% ± 7.03, 35.6% ± 4.03 and 30.4% ± 4.47 of LNCaP, DU145 and PC3 cells, respectively (Fig. 2c).