Document Detail

Telocytes form networks in normal cardiac tissues.
MedLine Citation:
PMID:  22473700     Owner:  NLM     Status:  In-Data-Review    
Telocytes (TC) are a class of interstitial cells present in heart. Their characteristic feature is the presence of extremely long and thin prolongations (called telopodes). Therefore, we were interested to see whether or not TCs form networks in normal cardiac tissues, as previously suggested. Autopsy samples of cardiac tissues were obtained from 13 young human cadavers, without identifiable cardiac pathology and with a negative personal history of cardiovascular disease. Immunohistochemistry on formalin-fixed paraffin-embedded tissues was performed using monoclonal antibodies for CD117/c-kit. Additionally, ventricular samples from 5 Sprague-Dawley rats were ultrastructurally evaluated under transmission electron microscopy. We found c-kit positive cells with TC features in subepicardium, as well in subepicardial arteries and in subepicardial fat. TCs were also present in the subendocardium. Light and electron microscopy revealed the existence of intramyocardial networks built up by bipolar TCs. Larger c-kit positive multipolar TCs were found between cardiac muscle bundles. Our results support the existence of a cardiac network of telocytes.
M C Rusu; F Pop; S Hostiuc; G C Curca; A M Jianu; D Paduraru
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Histology and histopathology     Volume:  27     ISSN:  1699-5848     ISO Abbreviation:  Histol. Histopathol.     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-04-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8609357     Medline TA:  Histol Histopathol     Country:  Spain    
Other Details:
Languages:  eng     Pagination:  807-16     Citation Subset:  IM    
Division of Anatomy, Faculty of Dental Medicine, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania.
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