Journal
FRONTIERS IN PHYSIOLOGY
Volume 6, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fphys.2015.00330
Keywords
tendon vasculature; tendon stem/progenitor cells; tendinopathy; lymphatics; tendon regeneration
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Funding
- Lorenz Bohler Funds (Vienna, Austria)
- Paracelsus Medical University Research Funds (Salzburg, Austria)
- Hermann and Marianne Straniak foundation (Sarnen, Switzerland)
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Tendons represent a bradytrophic tissue which is poorly vascularized and, compared to bone or skin, heal poorly. Usually, a vascularized connective scar tissue with inferior functional properties forms at the injury site. Whether the increased vascularization is the root cause of tissue impairments such as loss of collagen fiber orientation, ectopic formation of bone, fat or cartilage, or is a consequence of these pathological changes remains unclear. This review provides an overview of the role of tendon vasculature in healthy and chronically diseased tendon tissue as well as its relevance for tendon repair. Further, the nature and the role of perivascular tendon stem/progenitor cells residing in the vascular niche will be discussed and compared to multipotent stromal cells in other tissues.
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