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Updated: Sep 9, 2025

Isolation of Murine Intestinal Mesenchyme Resulting in a High Yield of Telocytes
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Telocytes: history, origin, identification, structure, distribution, and functions.

Andrey Dolbnya1, Vera Ivanova2, Olga Serebryakova2

  • 1Department of Morphology and General Pathology, Siberian State Medical University, Tomsk, Russian Federation, 634050. adolbnya1@mail.ru.

Histochemistry and Cell Biology
|August 29, 2025
PubMed
Summary

Telocytes are specialized interstitial cells forming communication networks. Their diverse functions in tissue physiology are still being explored, promising new insights into connective tissue.

Keywords:
Cell signalingConnective tissueStem cell nicheTelocytesUltrastructure

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Area of Science:

  • Cell Biology
  • Histology
  • Connective Tissue Research

Background:

  • Telocytes are unique interstitial cells with a small body and long telopodes.
  • Previously known as interstitial Cajal-like cells, they form communication networks between stromal and epithelial cells.
  • Their mesenchymal origin and classification as a distinct population remain under investigation, despite CD34 and vimentin marker expression.

Purpose of the Study:

  • To explore the multifaceted roles and functional diversity of telocytes.
  • To highlight the complexity in studying telocytes due to their varied functions across tissues.
  • To underscore the need for further research into the molecular mechanisms governing telocyte function.

Main Methods:

  • Immunohistochemistry (CD34, vimentin) for cell identification.
  • Microscopy for structural and network analysis.
  • Literature review and functional analysis based on existing studies.

Main Results:

  • Telocytes establish complex 3D networks and are crucial in stem cell niches and tissue barriers.
  • They play significant roles in cell differentiation, immune functions, angiogenesis, and organ morphogenesis.
  • The functional diversity and complex roles of telocytes contribute to the intricacies of connective tissue physiology.

Conclusions:

  • Telocytes are key players in various physiological processes, including tissue repair and development.
  • Understanding telocyte function is critical for advancing connective tissue research.
  • Further investigation into the molecular underpinnings of telocyte activity is warranted.