ArticleMedicine2025
Osteosarcoma biomarker analysis and drug targeting prediction based on pyroptosis-related genes.
Article in Medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Osteosarcoma is a malignant bone tumor originating from mesenchymal tissue. Recent studies have found that the tumor inflammatory microenvironment plays an important role in promoting the malignant characteristics and metastatic potential of malignant tumors. Pyroptosis, an inflammatory programmed cell death, elicits immune responses that exhibit anti-tumor effects through released factors and contents. Therefore, improving anti-tumor immunity by targeting osteosarcoma-related pyroptosis genes and pathways may be of great significance in delaying early metastasis of osteosarcoma and improving patient survival rate. The study aimed to identify pyroptosis-related genes and biomarkers in osteosarcoma, predicting therapeutic drugs targeting these genes. Gene expression profiles of osteosarcoma were retrieved from Gene Expression Omnibus and cross-referenced with GeneCards and Comparative Toxicogenomics Database to identify differentially expressed pyroptosis-related genes. We conducted enrichment analysis on intersecting genes to identify their biological processes and signaling pathways and assessed immune cell composition in the tumor microenvironment through immune infiltration analysis. In addition, we further utilized Cytoscape software to screen out the top 10 genes with Degree values among the intersected genes as hub genes and performed GSEA analysis and drug prediction based on the hub genes. A total of 22 differentially expressed pyroptosis-related genes were identified in osteosarcoma, with 10 of them (TP53, CYCS, IL-1A, IL-1B, IL-18, CASP-3, CASP-8, IL-6, TNF, CASP-1) pinpointed as hub genes. Enrichment analysis found that the 22 intersection genes are mainly associated with pyroptosis, apoptosis, immune regulation, and related biological processes. The results of data validation targeting hub genes suggest that IL-18, CASP-1, and CASP-8 may be key genes involved in the regulation of pyroptosis in osteosarcoma. Immune infiltration analysis shows statistical differences in the distribution of immune cells like naive B cells, monocytes, M2 macrophages, and dendritic/mast cells, suggesting they play a role in the osteosarcoma tumor microenvironment. Hub gene drug targets suggest Triethyl phosphate, Plinabulin, and Siltuximab as potential osteosarcoma treatments. Our findings suggest potential mechanisms of action for 22 pyroptosis-related genes in osteosarcoma and preliminarily predicted that the occurrence of osteosarcoma is closely related to pyroptosis, apoptosis, and immune regulation. Predicted Triethyl phosphate, Plinabulin, Siltuximab as potential osteosarcoma treatments.
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