OS tissues; paired adjacent non-tumor tissues
MG63; U2OS; HOS; Saos-2; hFOB1.19; 293 T
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JAK/STAT (inhibits); apoptosis (promotes); proliferation (inhibits); cell cycle (inhibits); ceRNA regulation (other)
RT-qPCR; Clinical Sample Validation; Bioinformatics Analysis; Luciferase Reporter Assay; Transfection; CCK8; Colony Formation Assay; Annexin V/PI Flow Cytometry; Western Blot
circ_0001649 might provide a new latent therapeutic goal for monitoring and treating OS.
In this study, hsa_circ_0001649/circ_0001649 was down-regulated in osteosarcoma tissues and cell lines. Functional experiments showed that circ_0001649 overexpression suppressed OS cell viability, colony formation and proliferation, promoted apoptosis, and inhibited STAT signaling. Mechanistically, circ_0001649 acted as a sponge for miR-338-5p, miR-647 and miR-942, suggesting a tumor-suppressive role and potential therapeutic relevance in OS.
0.6521
Circular RNA hsa_circ_0001649 suppresses the growth of osteosarcoma cells via sponging multiple miRNAs.
combined biological and clinical study