<p>Atherosclerosis (AS) is the principal pathological cause of atherosclerotic cardiovascular diseases. Chronic endoplasmic reticulum stress (ERS) has been implicated in AS aetiopathogenesis, but the underlying molecular interactions remain unclear. This study aims to identify the molecular mechanisms of ERS in AS pathogenesis to inform innovative diagnostic approaches and therapeutic targets for managing AS. GSE28829 and GSE43292—human early and advanced carotid atherosclerotic tissue samples—were obtained from the Gene Expression Omnibus database. Endoplasmic reticulum stress-related genes (ERSRGs) were obtained from GeneCards. Differential gene expression and weighted gene co-expression network analyses were conducted to identify genes associated with atherosclerosis, and intersection with ER-related genes revealed three ERSRGs (i.e. <i>CTSB</i>,<i> LYN</i>, and <i>CYBB</i>) associated with advanced atherosclerotic plaque. These three ERSRGs exhibited associations with various immune cells. Additionally, the three ERSRGs were upregulated in human atherosclerotic tissues, mouse models of progressive atherosclerotic lesions, and in vitro macrophage models. In conclusion, this study identified <i>CTSB</i>,<i> LYN</i>, and <i>CYBB</i> as potentially critical ERSRGs associated with advanced atherosclerotic plaque, demonstrating their good diagnostic utility and offering novel insights into the potential pathobiology of AS progression, paving the way for exploring innovative therapeutic targets.</p>

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Identification of critical endoplasmic reticulum stress-related genes in advanced atherosclerotic plaque

  • Ning Zhao,
  • Dan Liu,
  • Haixu Song,
  • Xiaolin Zhang,
  • Chenghui Yan,
  • Yaling Han

摘要

Atherosclerosis (AS) is the principal pathological cause of atherosclerotic cardiovascular diseases. Chronic endoplasmic reticulum stress (ERS) has been implicated in AS aetiopathogenesis, but the underlying molecular interactions remain unclear. This study aims to identify the molecular mechanisms of ERS in AS pathogenesis to inform innovative diagnostic approaches and therapeutic targets for managing AS. GSE28829 and GSE43292—human early and advanced carotid atherosclerotic tissue samples—were obtained from the Gene Expression Omnibus database. Endoplasmic reticulum stress-related genes (ERSRGs) were obtained from GeneCards. Differential gene expression and weighted gene co-expression network analyses were conducted to identify genes associated with atherosclerosis, and intersection with ER-related genes revealed three ERSRGs (i.e. CTSB, LYN, and CYBB) associated with advanced atherosclerotic plaque. These three ERSRGs exhibited associations with various immune cells. Additionally, the three ERSRGs were upregulated in human atherosclerotic tissues, mouse models of progressive atherosclerotic lesions, and in vitro macrophage models. In conclusion, this study identified CTSB, LYN, and CYBB as potentially critical ERSRGs associated with advanced atherosclerotic plaque, demonstrating their good diagnostic utility and offering novel insights into the potential pathobiology of AS progression, paving the way for exploring innovative therapeutic targets.