Funding for this research was provided by:
National Natural Science Foundation of China (No. 31971357)
Received: 17 January 2021
Accepted: 23 June 2021
First Online: 6 July 2021
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
: All animal studies were performed in Xiamen University Laboratory Animal Center, according to protocols approved by the Institutional Animal Care and Use Committee of Xiamen University. The study protocol of collecting blood samples of cancer patients was approved by the Ethics Committee of Affiliated Zhongshan Hospital of Xiamen University, China. Patients with colorectal cancer, lung cancer, and gastric cancer were enrolled, which were informed and wrote the consent.
: Not applicable
: The authors declare that they have no competing interests.