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Transcriptomic Evaluation of Cbfa1 Gene During Osteogenic Differentiation of Adipose Derived Mesenchymal Stem Cells



Daraei A1 ; Ghafarizadeh AA2 ; Hashemibeni B3 ; Salehi R3 ; Salehi M4 ; Bahrambeigi V5
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Authors Affiliations
  1. 1. Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Iranian Academic Center for Education Culture and Research, Markazi Branch, Arak, Iran
  3. 3. Department of Anatomy and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Department of Biostatistics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
  5. 5. Department of Anatomy and Molecular Biology, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Isfahan Medical School Published:2013

Abstract

Background: Bone is a tissue with high repair capacity; but, this ability dramatically is limited during irrecoverable bone and skeletal defects. Stem cell therapy is a promising approach for construction of bone tissue. Mesenchymal stem cells (MSCs) have been introduced as basic tools for bone tissue generation in tissue engineering. Core binding factor alpha 1 (Cbfa1) is one of the main genes involved in osteogenesis. Since relative expression of Cbfa1 in differentiated osteoblasts from adipose derived stem cells is unknown, this study aimed to evaluate the gene expression pattern of Cbfa1 in adipose derived differentiated osteoblasts in 4 different time intervals. Methods: Real-time PCR was used for studying the gene expression of Cbfa1 in human normal osteoblasts and adipose derived osteogenic osteoblasts at the days 7, 14, 21 and 28. Findings: There was a progressive increase in Cbfa1 expression over the differentiation period of adipose derived mesenchymal stem cells (ADSCs) from day 7 to day 28. Differentiated osteoblasts expressed Cbfa1 lower than native osteoblasts (P < 0.05). Conclusion: ADSCs are an attractive source for engineering a new bone tissue. According to our results, adipose derived differentiated osteoblasts express candidate gene at least on day 7 of culture. Our study indicates that longer treatment of ADSCs in osteogenic medium confer better osteoblastic properties to these cells.
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