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Telocytes in mice bone marrow: electron microscope evidence.

Hua Li1, Hongqi Zhang, Lin Yang

  • 1Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China; Department of Physiology and Medicine/Cardiology, University of California, Los Angeles, CA, USA.

Journal of Cellular and Molecular Medicine
|July 26, 2014
PubMed
Summary
This summary is machine-generated.

Telocytes (TCs) are identified in mouse bone marrow for the first time. These cells, characterized by their unique structure and intercellular connections, were visualized using advanced microscopy techniques.

Keywords:
SEMTEMTelocytebone marrowintercellular contactstelopodes

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Area of Science:

  • Cell Biology
  • Histology
  • Hematology

Background:

  • Telocytes (TCs) are a recently discovered type of interstitial cell found in various organs.
  • The presence and characteristics of TCs in bone marrow have not been previously reported.

Purpose of the Study:

  • To investigate the existence of Telocytes (TCs) in mouse bone marrow.
  • To characterize the ultrastructure of TCs in this specific tissue.

Main Methods:

  • Utilized scanning electron microscopy (SEM) for macroscopic visualization.
  • Employed transmission electron microscopy (TEM) for detailed ultrastructural analysis.

Main Results:

  • SEM revealed TCs with small cell bodies (4-6 μm) and long telopodes (up to 70 μm).
  • TEM demonstrated mitochondria within telopode dilations and close spatial associations with blood vessels.
  • Direct intercellular contacts between TCs were observed.

Conclusions:

  • This study provides the first ultrastructural evidence for the presence of Telocytes (TCs) in mouse bone marrow in situ.
  • The findings suggest a potential role for TCs within the bone marrow microenvironment.