DNA mismatch repair system regulates the expression of PD-L1 through DNMTs in cervical cancer.

"Declarations Ethics approval and consent to participateThe current research work received approval from the Academic Committee of The Third Clinical Medical College of Xinjiang Medical University (affiliated Tumor Hospital) and was carried out under the rules put forward in the Declaration of Helsinki. This study had the relevant exemption certificate of informed consent issued by the Academic Committee. Consent for publicationAll listed authors have actively participated in the study and have read and approved the submitted manuscript. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This work was supported by grants from the National Natural Science Foundation of China (81960467) and the Postdoctoral Fund of Affilated Cancer Hospital of Xinjiang Medical University"