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BRSK2 protein levels fluctuate during the cell cycle.

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posted on 19.02.2013 by Ruwei Li, Bo Wan, Jun Zhou, Yingli Wang, Ting Luo, Xiuting Gu, Fang Chen, Long Yu

(A) HeLa cells were arrested at the G1-S boundary by a double-thymidine block, released into fresh medium, and harvested at the indicated time points. Cell lysates were probed by Western blot (WB) with BRSK2, Aurora B, Cyclin B1, and β-actin antibodies. β-actin served as a loading control. (B) HeLa cells were arrested at prometaphase by a thymidine-nocodazole treatment, released into fresh medium, and harvested at the indicated time points. Cell lysates were probed by Western blot (WB) with BRSK2, Aurora B, p-Histone H3(Ser10), and β-actin antibodies. Cells were treated with MG132 (20 µM) for 8 h during the mitotic exit phase. Cell cycle stages in (A) and (B) were determined by flow cytometry and are indicated in the figure.

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