Helicobacter pylori upregulates circPGD and promotes development of gastric cancer.

"Declarations Conflict of interestThe authors declare no competing interests. Ethical approvalAll procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. Informed consent to be included in the study, or the equivalent, was obtained from all patients. It was approved by the Ethics Committee of the School of Medicine, Jiangsu University. Consent for publicationNot applicable. Conflict of interest The authors declare no competing interests."

"This work was supported by the National Natural Science Foundation of China (Grant no. 81772157) and Academic Leaders Training Program of Pudong Health Bureau of Shanghai (Grant no. PWRd2021-02)."