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Esophageal telocytes and hybrid morphologies.
Mugurel Constantin Rusu1, Mihnea Ioan Nicolescu, Adelina Maria Jianu
1Carol Davila University of Medicine and Pharmacy, Bucharest, Romania.
Cell Biology International
|August 31, 2012
Summary
Telocytes (TCs), stromal cells with long telopodes, were identified in rat esophagus. Distinguishing TCs requires specific morphological standards beyond just telopodes.
Area of Science:
- Gastroenterology
- Cell Biology
- Histology
Background:
- Telocytes (TCs) are unique stromal cells characterized by long, thin prolongations called telopodes.
- TCs have been identified in various tissues, but their presence and characteristics in the esophagus were previously unreported.
Purpose of the Study:
- To identify and characterize telocytes (TCs) in the esophagus of Wistar rats.
- To describe the morphological and ultrastructural features of TCs in the esophageal tissue.
Main Methods:
- Transmission electron microscopy (TEM) was used to examine esophageal samples from Wistar rats.
- Morphological and ultrastructural analysis focused on identifying TCs and their relationship with surrounding structures.
Main Results:
- Telocytes (TCs) were identified in the submucosa, beneath the basal epithelial layer, and in the adventitia of the rat esophagus.
- TCs were observed in close proximity to smooth and striated muscle fibers, mast cells, macrophages, and microvessels.
- Hybrid morphologies of stromal cell processes were noted, with cytoplasmic processes extending in a telopodial fashion.
Conclusions:
- The study confirms the presence of telocytes (TCs) in the rat esophagus.
- Distinguishing TCs from fibroblasts and interstitial cells of Cajal requires a comprehensive set of specific morphological and ultrastructural standards, including telopodial emergence and dimensions.
