Circadian clock-related genome-wide mendelian randomization identifies putatively genes for ulcerative colitis and its comorbidity.

"Declarations Ethics approval and consent to participateEthical review and approval was not required for the study on human participants in accordance with the local legislation and institutional requirements. Consent for publicationNot applicable. Competing interestsThe authors affirm that this paper does not include any conflicts of interest. Competing interests The authors affirm that this paper does not include any conflicts of interest."

"Funding YF was supported by Basic and Applied Basic Research of Guangzhou City-University Joint Funding Project (2023A03J0738); YL and JC were supported by Research Fund for Zhaoyang Talents of Guangdong Provincial Hospital of Chinese Medicine (ZY2022KY10 and ZY2022YL04, respectively). Researchers were independent from funders. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript."