Differential role of diphenyleneiodonium, a flavoenzyme inhibitor, on p53-dependent and -independent cell cycle progression.

Abstract

We investigated the differential role of diphenyleneiodonium (DPI), which is widely used as an inhibitor of NADPH oxidase, on the activation of cell cycle regulators in the cell cycle progression. DPI efficiently blocked the transition from G0/G1 to S phase by serum stimulation in quiescent HCT-116 (wild-type p53) and HL-60 (null p53) cells. Concomitant… (More)

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