Mapping the Cell-Cell Interactions in Cardiovascular Diseases: A Single-Cell Atlas Perspective

Seungyoon Song1, Cherin Lee2, Hun-Jun Park3,4

  • 1Department of Bioinformatics, Soongsil University, Seoul, Korea.

Insights

Cardiovascular disease (CVD) disrupts vital cell-cell communication, leading to heart damage. Understanding these altered signaling pathways offers new therapeutic targets for cardiovascular pathologies.

Area of Science:

  • Cardiovascular Biology
  • Molecular Medicine
  • Systems Biology

Background:

  • Cell-cell interactions are crucial for cardiovascular homeostasis.
  • Dysregulated communication among heart and vascular cells drives cardiovascular disease (CVD) pathogenesis, including inflammation and fibrosis.
  • Recent transcriptomic technologies allow detailed mapping of cellular interactions.

Purpose of the Study:

  • To review major alterations in intercellular communication across cardiovascular pathologies.
  • To highlight the role of disrupted cell crosstalk in cardiomyopathy, myocardial infarction, and heart failure.
  • To provide insights into CVD mechanisms and guide targeted therapy development.

Main Methods:

  • Systematic inference of intercellular communication using ligand-receptor analysis.
  • Construction of detailed cellular atlases of the human heart and vasculature via single-cell and spatial transcriptomics.
  • Summarization of disease-specific alterations in key signaling pathways.

Main Results:

  • Identification of significant changes in cell-cell communication across various cardiovascular pathologies.
  • Uncovering disease-specific alterations in critical signaling pathways.
  • Demonstration of how altered crosstalk among vascular, stromal, and immune cells contributes to adverse cardiac remodeling and dysfunction.

Conclusions:

  • Disrupted intercellular communication networks are central to cardiovascular disease.
  • Understanding these molecular mechanisms offers novel therapeutic strategies for CVD.
  • Targeting cell-cell communication pathways holds promise for restoring cardiovascular health.