Archives of biochemistry and biophysics · 2025
PANoptosis-related gene biomarkers in aortic dissection.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Pu Yuting, Zhou Yang, Guo Tuo, Chai Xiangping, Yang Guifang
Аннотация
INTRODUCTION: Programmed cell death of vascular smooth muscle cells (VSMCs) is critical in the pathogenesis of aortic dissection (AD), yet the role of PANoptosis-comprising pyroptosis, apoptosis, and necroptosis-remains unclear.
METHODS: We utilized the GSE213740 single-cell sequencing dataset to assess PANoptosis levels in VSMCs. Datasets GSE153434 and GSE147026 were employed to identify differentially expressed genes (DEGs) and perform weighted gene co-expression network analysis. PANoptosis gene sets were sourced from the GSEA website, with GSE52093 serving as the validation cohort. Gene Ontology, Kyoto Encyclopedia of Genes and Genomes (KEGG), and Protein-Protein Interaction analyses were conducted, along with assessments of upstream regulators and immune cell infiltration. Validation was performed on aortic tissues from AD patients and mouse models.
RESULTS: The single-cell dataset revealed an increased PANoptosis score in VSMCs in AD. Nineteen PANoptosis-related DEGs (PANDEGs) were identified, contributing to VSMC differentiation, DNA damage response, and apoptosis. KEGG analysis highlighted the P53 and TGF-β pathways, with PANDEGs positively correlating with immune cell infiltration. Key PANDEGs GADD45B, CDKN1A, and SOD2 were validated, showing co-expression with α-SMA.
CONCLUSION: The increased PANoptosis score in VSMCs suggests that GADD45B, CDKN1A, and SOD2 play crucial roles in AD.
METHODS: We utilized the GSE213740 single-cell sequencing dataset to assess PANoptosis levels in VSMCs. Datasets GSE153434 and GSE147026 were employed to identify differentially expressed genes (DEGs) and perform weighted gene co-expression network analysis. PANoptosis gene sets were sourced from the GSEA website, with GSE52093 serving as the validation cohort. Gene Ontology, Kyoto Encyclopedia of Genes and Genomes (KEGG), and Protein-Protein Interaction analyses were conducted, along with assessments of upstream regulators and immune cell infiltration. Validation was performed on aortic tissues from AD patients and mouse models.
RESULTS: The single-cell dataset revealed an increased PANoptosis score in VSMCs in AD. Nineteen PANoptosis-related DEGs (PANDEGs) were identified, contributing to VSMC differentiation, DNA damage response, and apoptosis. KEGG analysis highlighted the P53 and TGF-β pathways, with PANDEGs positively correlating with immune cell infiltration. Key PANDEGs GADD45B, CDKN1A, and SOD2 were validated, showing co-expression with α-SMA.
CONCLUSION: The increased PANoptosis score in VSMCs suggests that GADD45B, CDKN1A, and SOD2 play crucial roles in AD.