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Related Experiment Videos

Cell-cell interactions in diabetic angiopathy.

A B Dodge1, P A D'Amore

  • 1Laboratory of Surgical Research, Children's Hospital, Boston, MA 02115.

Diabetes Care
|September 1, 1992
PubMed
Summary

Vascular cells normally remain quiescent due to strict growth control. Disruptions in intercellular communication, involving factors like gap junctions and CAMs, can cause vascular remodeling in diseases.

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Area of Science:

  • Vascular biology
  • Cellular communication
  • Physiology

Background:

  • Mature vasculature comprises endothelial cells (ECs) and mural cells (pericytes/SMCs) under stringent growth control.
  • Vascular growth regulation is a complex, multi-level process.
  • Intercellular communication is crucial for maintaining normal vessel structure.

Purpose of the Study:

  • To summarize the normal regulation of vascular cells.
  • To highlight the role of intercellular communication in vascular maintenance.
  • To identify potential causes of vascular remodeling in disease.

Main Methods:

  • Review of existing literature on vascular cell biology.
  • Analysis of intercellular communication mechanisms (diffusible factors, gap junctions, CAMs).
  • Correlation of communication imbalances with vascular remodeling.

Main Results:

  • Endothelial cells (ECs) and mural cells (pericytes/SMCs) are typically quiescent in mature vessels.
  • Intercellular communication, via factors, gap junctions, and cell adhesion molecules (CAMs), underpins vessel maintenance.
  • Disruptions in these communication pathways are linked to vascular remodeling.

Conclusions:

  • Stringent growth control maintains vascular homeostasis.
  • Intercellular communication is vital for normal vascular function.
  • Imbalances in vascular cell communication contribute to pathological vascular remodeling (macro/microangiopathy).

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