CircPCNXL2 promotes tumor growth and metastasis by interacting with STRAP to regulate ERK signaling in intrahepatic cholangiocarcinoma.

"data availability the datasets analyzed during the current study are available in the geo repository ( https://www ncbi nlm nih gov/geo geo accession number: gse181523) tcga repository ( https://www cancer gov/tcga ). data availability the datasets analyzed during the current study are available in the geo repository ( https://www ncbi nlm nih gov/geo geo accession number: gse181523"

"Declarations Ethics approval and consent to participateThis study was performed in accordance with the Declaration of Helsinki and was approved by the Ethics Committee of the First Affiliated Hospital of Nanjing Medical University. The patients’ informed consent was obtained according to regional regulations. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study was supported by the Natural Science Foundation of Jiangsu Province (BK20220723 to Y.Z) and the National Natural Science Foundation of China (82273066 to X.L)."