Table 1.

Flow cytometric analysis of cell lines and primary prostate cancer cultures based on ALDH enzymatic activity

PCa cell linesALDH expression (%) ± SEM
LNCaP0.8 ± 0.4
C42.6 ± 0.2
C4-26.2 ± 0.6
C4-2B13.7 ± 0.3
PC-36.3 ± 1.0
Pro4luc25.7 ± 1.9
Pro4lucBIII31.0 ± 1.3
DU1452.4 ± 0.3
PCa primary culturesALDH expression (%) ± SEM
71238.0 ± 0.5
5670.5 ± 0.1
0255.5 ± 0.3
58510.4 ± 0.8
02112.4 ± 0.2
60112.5 ± 0.2

NOTE: Human prostate cancer cell lines and primary cultures were assayed with an ALDEFLUOR kit. Data are presented as percentage of cells with high ALDH enzymatic activity. Means of three individual experiments ± SEM are shown.