Fig. 1From: PTEN is a negative regulator of mitotic checkpoint complex during the cell cycleNuclear translocation of PTEN after arsenic treatment. HeLa cells were treated with arsenic trioxide [As(III)] for various concentrations as indicated, after which cells were collected for obtaining cytoplasmic and nuclear fractions. Equal amounts of cytoplasmic and nuclear proteins were blotted for PTEN, tubulin, PARP, and phospho-histone H3Back to article page