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  • Title: Superior osteogenic capacity of different mesenchymal stem cells for bone tissue engineering.
    Author: Wen Y, Jiang B, Cui J, Li G, Yu M, Wang F, Zhang G, Nan X, Yue W, Xu X, Pei X.
    Journal: Oral Surg Oral Med Oral Pathol Oral Radiol; 2013 Nov; 116(5):e324-32. PubMed ID: 22841430.
    Abstract:
    OBJECTIVE: We evaluated the effect of human bone marrow stromal cells (hBMSCs), human adipose tissue-derived mesenchymal stem cells (hAD-MSCs), and umbilical cord-derived mesenchymal stem cells (hUC-MSCs) in bone tissue engineering and identified a reliable cell source. STUDY DESIGN: Alkaline phosphatase (ALP) activity and quantitative polymerase chain reaction were used to evaluate osteogenic in vitro, X-ray and histologic analysis in vivo. RESULTS: hBMSCs exhibited strongest ALP staining, followed by hAD-MSCs and hUC-MSCs. At 7 days, hUC-MSCs and hAD-MSCs had higher expression of collagen type I and Runt-related transcription factor 2 than hBMSCs, and hUC-MSCs showed higher osteopontin expression. Bone structure was observed in the hUC-MSC group. Defects showed good healing in the hBMSC and hAD-MSC groups. Enhanced green fluorescent protein and osteopontin were detected in newly formed bone at 8 weeks. CONCLUSIONS: Our results suggested that hUC-MSCs and hAD-MSCs could be used for bone tissue engineering effectively; hUC-MSCs could serve as a new alternative cell source.
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