Document Detail

Comparison of equine tendon-, muscle-, and bone marrow-derived cells cultured on tendon matrix.
MedLine Citation:
PMID:  19496665     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To compare viability and biosynthetic capacities of cells isolated from equine tendon, muscle, and bone marrow grown on autogenous tendon matrix. SAMPLE POPULATION: Cells from 4 young adult horses. PROCEDURES: Cells were isolated, expanded, and cultured on autogenous cell-free tendon matrix for 7 days. Samples were analyzed for cell viability, proteoglycan synthesis, collagen synthesis, and mRNA expression of collagen type I, collagen type III, and cartilage oligomeric matrix protein (COMP). RESULTS: Tendon- and muscle-derived cells required less time to reach confluence (approx 2 weeks) than did bone marrow-derived cells (approx 3 to 4 weeks); there were fewer bone marrow-derived cells at confluence than the other 2 cell types. More tendon- and muscle-derived cells were attached to matrices after 7 days than were bone marrow-derived cells. Collagen and proteoglycan synthesis by tendon- and muscle-derived cells was significantly greater than synthesis by bone marrow-derived cells. On a per-cell basis, tendon-derived cells had more collagen synthesis, although this was not significant. Collagen type I mRNA expression was similar among groups. Tendon-derived cells expressed the highest amounts of collagen type III and COMP mRNAs, although the difference for COMP was not significant. CONCLUSIONS AND CLINICAL RELEVANCE: Tendon- and muscle-derived cells yielded greater cell culture numbers in shorter time and, on a per-cell basis, had comparable biosynthetic assays to bone marrow-derived cells. More in vitro experiments with higher numbers may determine whether tendon-derived cells are a useful resource for tendon healing.
Allison A Stewart; Jennifer G Barrett; Christopher R Byron; Angela C Yates; Sushmitha S Durgam; Richard B Evans; Matthew C Stewart
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  American journal of veterinary research     Volume:  70     ISSN:  0002-9645     ISO Abbreviation:  Am. J. Vet. Res.     Publication Date:  2009 Jun 
Date Detail:
Created Date:  2009-06-05     Completed Date:  2009-07-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375011     Medline TA:  Am J Vet Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  750-7     Citation Subset:  IM    
Department of Veterinary Clinical Medicine, College of Veterinary Medicine, University of Illinois, Urbana, IL 61802, USA.
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MeSH Terms
Bone Marrow Cells / cytology*
Cell Culture Techniques / veterinary*
Culture Media
Horses / physiology*
Muscle Fibers, Skeletal / cytology*
Tendons / cytology*,  physiology*
Reg. No./Substance:
0/Culture Media

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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