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Identification and verification of ferroptosis-related genes in diabetic foot using bioinformatics analysis

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机构： [1]The First Clinical Medical College, Guangdong Medical University, Zhanjiang, China. [2]Medical school, Kunming University of Science and Technology, The First People's Hospital of Yunnan Province, Kunming, China. [3]Department of Dermatology, The First People's Hospital of Foshan, Foshan, China. [4]Department of Burn Surgery and Skin Regeneration, The First People's Hospital of Foshan, Foshan, China. [5]Department of Burn and Plastic Surgery, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China.

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关键词： bioinformatics analysis diabetic foot ferroptosis inflammatory reaction TP53

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Ferroptosis is a novel form of cell death that plays a key role in several diseases, including inflammation and tumours; however, the role of ferroptosis-related genes in diabetic foot remains unclear. Herein, diabetic foot-related genes were downloaded from the Gene Expression Omnibus and the ferroptosis database (FerrDb). The least absolute shrinkage and selection operator regression algorithm was used to construct a related risk model, and differentially expressed genes were analysed through immune infiltration. Finally, we identified relevant core genes through a protein-protein interaction network, subsequently verified using immunohistochemistry. Comprehensive analysis showed 198 genes that were differentially expressed during ferroptosis. Based on functional enrichment analysis, these genes were primarily involved in cell response, chemical stimulation, and autophagy. Using the CIBERSORT algorithm, we calculated the immune infiltration of 22 different types of immune cells in diabetic foot and normal tissues. The protein-protein interaction network identified the hub gene TP53, and according to immunohistochemistry, the expression of TP53 was high in diabetic foot tissues but low in normal tissues. Accordingly, we identified the ferroptosis-related gene TP53 in the diabetic foot, which may play a key role in the pathogenesis of diabetic foot and could be used as a potential biomarker.© 2023 The Authors. International Wound Journal published by Medicalhelplines.com Inc and John Wiley & Sons Ltd.

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出版当年[2023]版：

大类 | 3 区医学

小类 | 2 区皮肤病学 3 区外科

最新[2023]版：

大类 | 3 区医学

小类 | 2 区皮肤病学 3 区外科

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第一作者机构： [1]The First Clinical Medical College, Guangdong Medical University, Zhanjiang, China.

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