Circular RNA circFCHO2(hsa_circ_0002490) promotes the proliferation of melanoma by directly binding to DND1.

"Declarations Approval of the research protocol by an Institutional Reviewer BoardThe study was approved by the Independent Ethics Committee of Zhongshan Hospital, Fudan University. Registry and the registration no. of the studyY2020-220. Animal studiesAnimal studies were approved by the Animal Ethics Committee of Zhongshan Hospital, Fudan University (2020–140). Consent for publicationAll authors have agreed to the content of the manuscript and agree to this submission. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study received financial support from the National Natural Science Foundation of China (82002902, 82203528, 81972559, 82272891) and Xiamen Municipal Bureau of Science and Technology (3502Z20209042)."