sentences:  JDP2 induces cell cycle arrest through cyclin D, p53, and cyclin A transcription, by increasing JUNB, JUND, and Fra2, and by decreasing c-JUN through the loss of p27kip1.JDP2 downregulates p53 transcription, which promotes leukemogenesis.Mouse p53 protein negatively regulates the JDP2 promoter in F9 cells as part of the JDP2˗p53 autoregulatory circuit.