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Related Experiment Video

Updated: May 5, 2026

Isolation of Murine Intestinal Mesenchyme Resulting in a High Yield of Telocytes
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Telocytes in Crohn's disease.

Anna Franca Milia1, Martina Ruffo, Mirko Manetti

  • 1Department of Experimental and Clinical Medicine, Section of Anatomy and Histology, University of Florence, Florence, Italy.

Journal of Cellular and Molecular Medicine
|November 21, 2013
PubMed
Summary
This summary is machine-generated.

Telocytes (TC) are stromal cells lost in affected Crohn's disease (CD) ileum, particularly with fibrosis. This loss may contribute to intestinal architectural changes and gut dysmotility in CD patients.

Keywords:
CD34Crohn's diseasefibrosisileumimmunohistochemistryinterstitial cells of Cajaltelocytes

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Area of Science:

  • Gastroenterology
  • Cell Biology
  • Immunology

Background:

  • Crohn's disease (CD) is a chronic inflammatory disorder affecting the gastrointestinal tract, often the terminal ileum.
  • Intestinal lesions in CD are segmental and can impact all gut wall layers.
  • Telocytes (TC) are stromal cells found in the GI tract, potentially involved in tissue support and signaling.

Purpose of the Study:

  • To investigate the presence and distribution of telocytes (TC) in ileal specimens from Crohn's disease (CD) patients.
  • To compare TC distribution in CD-affected and unaffected ileal tissues versus controls.
  • To explore the potential role of TC in CD pathophysiology.

Main Methods:

  • Immunohistochemistry using CD34/PDGFRα markers to identify telocytes (TC).
  • Analysis of ileal tissue samples from CD patients (affected and unaffected) and control subjects.
  • Microscopic examination to assess TC presence, distribution, and relationship with tissue architecture.

Main Results:

  • Telocytes (TC) were significantly reduced or absent in affected CD ileal specimens, especially in areas with fibrosis and architectural distortion.
  • Few TC were found entrapped within the fibrotic extracellular matrix in the thickened muscularis mucosae and submucosa.
  • A discontinuous TC network was observed around smooth muscle, ganglia, and enteric plexuses in altered CD tissues, paralleling the loss of interstitial cells of Cajal.

Conclusions:

  • The loss of telocytes (TC) in affected ileal tissue may be a significant factor in Crohn's disease (CD) pathophysiology.
  • TC loss could contribute to the observed architectural derangement and gut dysmotility in CD.
  • Further research is needed to elucidate the precise functional role of TC loss in CD.