Identification of CDCA8, DSN1 and BIRC5 in Regulating Cell Cycle and Apoptosis in Osteosarcoma Using Bioinformatics and Cell Biology.

{"sci_version": "1.2", "schema": "https://corpus.bntrg.co.uk/sci/1.0/sci.schema.json", "id": "pmid:33153400", "kind": "science-record", "revision": 8, "content_hash": "sha256:5cfbbaee1dd31644b992b199e2093130731118a9a11c646f79b219c010370760", "created_at": "2026-11-01T15:41:15Z", "updated_at": "2026-11-01T22:02:27Z", "generator": {"name": "corpus-assay-engine", "run_id": "reading-sci-2026-11-01"}, "paper": {"state": "complete", "title": "Identification of CDCA8, DSN1 and BIRC5 in Regulating Cell Cycle and Apoptosis in Osteosarcoma Using Bioinformatics and Cell Biology.", "doi": "10.1177/1533033820965605", "pmid": "33153400", "authors": ["Qinwen Li", "Jie Liang", "Bo Chen"], "journal": "Technology in cancer research & treatment", "year": 2020, "abstract": "INTRODUCTION: Osteosarcoma is the most common primary tumor of bone, although some molecular markers have been identified, the detailed molecular mechanisms underlying osteosarcoma are currently not fully understood. In the present study, we attempted to identify the potential key genes and pathways in osteosarcoma using bioinformatics analysis.\nMETHODS: GSE14359 was downloaded from the GEO database, and analyzed using Limma package. Gene Ontology and pathway enrichment analyses of the DEGs were performed in the DAVID database, followed by the construction of a protein-protein interaction (PPI) network with software Cytoscape, subnetwork modules were subsequently identified and analyzed, and further validation in human osteosarcoma tissues and osteosarcoma cells line was performed.\nRESULTS: 964 Differentially expressed genes (DEGs) identified, of which 222 were up-regulated and 742 were down-regulated. Among them, 10 genes (including BIRC5, MAD2L1, Bub1, DSN1, SPC24, CDCA8, STAG2, CENPA, MLF1IP and Mis12) were identified as hub genes and they were mainly enriched in pathways, including mRNA surveillance, RNA transport and PI3K-Akt signaling pathways. Further validation indicated 6 gene (DSN1, BIRC5, CDCA8, MLF1IP, MAD2L1 and SPC24) is highly expressed in osteosarcoma tissues. Among them, CDCA8, DSN1 and BIRC5 significantly promoted the proliferation of osteosarcoma cells in vitro. In terms of mechanism, DSN1 and CDCA8 were mainly involved in cell cycle regulation, while BIRC5 was mainly involved in the regulation of apoptosis pathway.\nCONCLUSIONS: We identified some key genes and pathways in osteosarcoma, which might be used as molecular targets or diagnostic biomarker for the diagnosis and therapy of osteosarcoma.", "claims": [{"id": "claim-method", "statement": "The t test was used to analyze the differences between the experimental groups.", "kind": "methodological", "target": null, "evidence": [{"asset": "source:pmid:33153400", "locator": "sections[13] \"Statistical Analysis\" paragraph 2", "quote": "The t test was used to analyze the differences between the experimental groups."}], "state": "complete"}, {"id": "claim-data-access", "statement": "The gene expression profile of GSE14359 was downloaded from Gene Expression Omnibus (GEO) database (http://www.ncbi.nlm.nih.gov/geo/), which is a database repository of high throughput gene expression data, hybridization arrays, chips and microarrays. 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