Tissue specific stem/progenitor cells for cartilage tissue engineering: A systematic review of the literature
Abstract
Cartilage derived stem/progenitor cells (CSPCs) have been isolated from a variety of cartilage sources and are suggested to have high chondrogenic potential. However, their role in cartilage engineering has not been well described, in particular, compared to other more widely used cell types such as differentiated chondrocytes and nontissue-specific mesenchymal stem cells (MSCs). The authors performed a systematic review of literature according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines [Web of Science (Web of Science Core Collection, BIOSIS Citation Index, KCI-Korean Journal Database, MEDLINE, SciELO Citation Index), PubMed, and Embase] from January 1947 to November 2017, to evaluate CSPC isolation, their characterization, and cartilage regeneration. Two investigators independently reviewed all studies and extracted the data against standardized inclusion/exclusion criteria. A total of 1189 studies were identified, 65 of which met the inclusion criteria, consisting of 69 reports on CSPC isolation from articular (n = 35), intervertebral disk (11), auricular (n = 10), meniscal (n = 5), nasoseptal (n = 5), tracheal (n = 2), and costal (n = 1) cartilages. Despite the heterogeneity in isolation methods, 75% of studies found CSPCs to have trilineage differentiation potential, with consistent but nonspecific cell surface marker expression profiles, being positive for the recognized MSC markers CD90, CD105, CD44, CD166, CD73, and CD29 and…
How strong is the evidence?
Evidence Hub reads this as a systematic review. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 35 participants or records.
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