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The key mechanisms involved are chondrocyte death and degradation of the extracellular matrix. This study aims to identify differentially expressed genes (DEGs) associated with ferroptosis and investigate their roles in the development of osteoarthritis. We used several methods, such as transcriptomic data analysis, gene enrichment analysis, protein\u2013protein interaction network construction, animal model experiments, and immune cell infiltration analysis. Our examination of the GSE114007 dataset uncovered 2614 DEGs, including 1300 that were upregulated and 1314 that were downregulated. From these, we identified eight ferroptosis\u2010related DEGs (FRGs\u2010DEGs). Functional enrichment analysis showed that these genes are significant for cellular migration and tissue remodeling. They are particularly involved in the HIF\u20101 and PPAR signaling pathways. Additionally, our immune cell infiltration analysis indicated an increase in M0 and M2 macrophages in osteoarthritis samples, while levels of eosinophils and memory B cells were notably decreased. The receiver operating characteristic curve analysis identified GJA1, TIMP Metallopeptidase Inhibitor 1 (TIMP1), and DPP4 as potential biomarkers for osteoarthritis diagnosis, with area under the curve of 0.91, 0.85, and 0.83, respectively. Moreover, RT\u2010qPCR validation in an osteoarthritis rat model confirmed the upregulation of TIMP1, supporting our bioinformatics results. In summary, our study identifies key FRGs\u2010DEGs and their potential roles in osteoarthritis. This research provides new insights into the disease's molecular mechanisms and suggests innovative therapeutic targets for clinical intervention. Future research should aim to include larger patient cohorts and clinical validation to improve the applicability of these findings.<\/jats:p>","DOI":"10.1111\/1756-185x.70083","type":"journal-article","created":{"date-parts":[[2025,1,21]],"date-time":"2025-01-21T06:09:33Z","timestamp":1737439773000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Transcriptomic Analysis and Experimental Verification of Ferroptosis Signature Genes in Osteoarthritis"],"prefix":"10.1111","volume":"28","author":[{"given":"Zhen\u2010yu","family":"Gao","sequence":"first","affiliation":[{"name":"Hubei Provincial Key Laboratory of Occurrence and Intervention of Rheumatic Disease Minda Hospital of Hubei Minzu University  Enshi China"},{"name":"Department of Rheumatology and Immunology Minda Hospital of Hubei Minzu University  Enshi 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