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Arsenic-biotin suppresses PKM2 activity in NB4 cells. (A) Arsenic-biotin suppresses PKM2 activity in a time-dependent manner; (B) The changes in PKM2 activity in the cells treated with different concentrations of arsenic-biotin for 6 h. The PBS group was used as a negative control. The average of three measurements in separate experiments is shown with the SD; ** p < 0.001.
