Exploring Potential Biomarkers and Molecular Mechanisms of Ischemic Cardiomyopathy and COVID-19 Comorbidity Based on

Simin Luo1,2, Xuan Zhang2, Xiang Xiao2

  • 1School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.

Insights

This study identifies key genes (HSP90AA1, HSPA9, SRSF1) linked to ischemic cardiomyopathy (ICM) and COVID-19 co-pathogenesis, suggesting a role for angiogenesis. Potential therapeutic drugs were also predicted.

Area of Science:

  • Molecular Biology
  • Genomics
  • Cardiology

Background:

  • COVID-19 (SARS-CoV-2) significantly worsens outcomes for patients with cardiovascular complications.
  • The shared molecular mechanisms underlying ischemic cardiomyopathy (ICM) and COVID-19 remain largely unknown.

Purpose of the Study:

  • To investigate the molecular mechanisms and identify biomarkers for the co-pathogenesis of ICM and COVID-19.
  • To explore potential therapeutic targets for this comorbidity.

Main Methods:

  • Differential gene expression analysis of ICM and COVID-19 datasets (GSE5406, GSE164805) using GEO2R.
  • Enrichment analysis, protein-protein interaction network construction, and hub gene screening.
  • Validation of diagnostic performance using external datasets (GSE116250, GSE211979) and ROC curves.
  • Construction of transcription factor and microRNA regulatory networks.
  • Drug prediction and molecular docking validation via cMAP.

Main Results:

  • Identified 81 common differentially expressed genes (DEGs) between ICM and COVID-19, with enrichment in angiogenesis-related pathways.
  • Screened three key hub genes: HSP90AA1, HSPA9, and SRSF1, demonstrating high diagnostic performance (AUC > 0.7) across four datasets.
  • Established co-regulation of these hub genes by miR-16-5p and KLF9.
  • Predicted vindesine and ON-01910 as potential therapeutic agents with favorable binding affinities.

Conclusions:

  • HSP90AA1, HSPA9, and SRSF1 are identified as potential biomarkers for the co-pathogenesis of ICM and COVID-19.
  • Angiogenesis may play a crucial role in the shared disease mechanisms.
  • Vindesine and ON-01910 show promise as therapeutic interventions for managing this comorbidity.

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