osteosarcoma tissues; tumor adjacent tissues; tumor tissues; lung tissues; xenograft tumors
U2OS; SaOS-2; HOS; hFOB 1.19; HEK293T
cell line-derived xenograft
ceRNA regulation (promotes); proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes)
Back-Splice Junction PCR / divergent primers PCR; RT-qPCR; Microarray; Clinical Sample Validation; RIP (RNA Immunoprecipitation); RNA Pull-Down; Luciferase Reporter Assay; Transfection; CCK8; EdU Staining; Wound Healing Assay; Transwell Assay; Western Blot; IHC (Immunohistochemistry); In Vivo Animal Model; H&E Staining; Survival Analysis; Cohort Study; Bioinformatics Analysis
High circ_0078767 expression correlates with tumor size, histological grade, shorter overall survival, and is an independent risk factor for overall survival in osteosarcoma patients.
circ_0078767 is up-regulated in osteosarcoma tissues and cells and its high expression is associated with worse overall survival. Mechanistically, it functions as a ceRNA that sponges miR-330-3p to increase CDK14 expression, thereby promoting osteosarcoma cell proliferation, migration, invasion, tumorigenesis, and metastasis.
0.8557
CircRNA_0078767 promotes osteosarcoma progression by increasing CDK14 expression through sponging microRNA-330-3p.
combined biological and clinical study