Bmi1 is involved in arsenite-induced acquisition of stem cell-like properties in HBE cells.

<p>Densities of bands were quantified by Eagle Eye II software. GAPDH levels, measured in parallel, served as controls. HBE cells were exposed to 0.0 or 1.0 µM arsenite for 5, 10, or 15 weeks. Western blots (<b>A</b>) and relative protein levels (<b>B</b>, means ± SD, n = 3) of Bmi1 were determined in control and treated HBE cells at the indicated times. Western blots (<b>C</b>) were performed and relative protein levels (<b>D</b>, means ± SD, n = 3) of Bmi1 were measured after HBE cells were exposed to 0.0 or 1.0 µM arsenite for 0, 6, 12, or 24 h.