The Correlation Study of Circadian Clock Gene BMAL1 Regulates the Biological Behavior of Human Nasopharyngeal Carcinoma Cell After Radiotherapy.
International journal of radiation oncology, biology, physics(2021)
摘要
The circadian clock gene BMAL1 inhibits the proliferation of NPC cell line CNE1, arrests cell cycle in the G0/G1 phase by up-regulate the expression of P21,P27 and P53.The response of ATM/ATR pathway could be activated after radiotherapy, the overexpression of Bmal1 gene could up-regulate the expression of ATM/ATR pathway upstream genes such as p-chk1 and p-chk2,then inhibited the activity of downstream Cyclin-CDK complexes by phosphorylated CDC25A and CDC25C,finally achieved the function of blocking cell cycle after radiotherapy.
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