ArticleClinical and experimental immunology2025
Discovery and experimentally mice model validation of CFI, a natural killer T cell-related gene, as a key biomarker in osteoarthritis.
Article in Clinical and experimental immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Identification of potential biomarkers related to the Bitong mixture in osteoarthritis based on bioinformatics and network pharmacology, and exploration of the mechanism involved.Frontiers in immunology · 2026Article
- ATP-P2X7R-NLRP3 Axis as a Unifying Mechanism of ATP-Induced Cell Death in Degenerative Bone and Cardiovascular Diseases.Journal of inflammation research · 2026Review
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5 authors.
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Abstract
We attempted to perform a comprehensive bioinformatics analysis on osteoarthritis (OA) based on the NKT-related genes and explore the clinically related critical genes. Differentially expressed genes (DEGs) and NKT-related genes from WGCNA were obtained using the dataset GSE114007, followed by intersection analysis to obtain NKT-related DEGs. Lasso regression, support vector machine, and random forest were performed to screen feature genes, followed by verification with receiver operator curves and a nomogram model. Protein-protein interaction network, gene set enrichment analysis was performed based on the four marker genes. Finally, the immune infiltration of 64 types of immune cells was analyzed between OA samples and normal samples. The significance of biomarkers was validated in clinical samples and OA mice models. A total of four NKT-related biomarker genes (CCNJ, CFI, PREX2, and SMIM13) were identified. These genes were all upregulated in OA samples. CFI exerted promising diagnostic value for OA with an AUC of 0.994 in GSE114007 training dataset and 0.98 in the validation dataset. A significantly negative correlation between CFI and NKT cells and a significantly positive correlation between CFI and conventional dendritic cells (cDC) were found. All the biomarkers were determined to be upregulated in OA patients by clinical samples. CFI knockdown significantly reduced DC infiltration and inflammation in the knee joints of OA mice models. CFI has potential value in the pathogenesis of OA and can be used as a candidate biomarker for OA diagnosis and treatment.
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