Abstract
Our study was aimed to select the best growth factor cocktail for differentiation of mesenchymal stem cells (MSCs) into hepatocytes-like cells (HLCs) in absence and presence of three dimensional (3D) microenvironment. Ninety milliliters of bone marrow was aspirated from the iliac bone for separation of MSCs. This study was conducted on 20 patients with advanced liver cirrhosis. They were divided into two groups. Group I; MSCs were plated onto 96-well plates without microenvironment (control group). Group II; MSCs were plated onto 96-well plates with 3D microenvironment. Surface expression of CD271, CD29, and CD34 were analyzed using flow cytometry. MSCs were differentiated in vitro into HLCs by adding four growth factor cocktails in presence and absence of 3D microenvironment. Hepatogenesis was assessed by immunohistochemical analysis of OV6, α-fetoprotein, albumin, and cytokeratin 18 expressions. There was statistically significant increase in the expression of CD271 and CD29 after MSCs culture (P < 0.001). Heterogeneous cell population composed of MSCs and differentiated HLCs were encountered (40 % hepatocytes and 60 % MSCs). Furthermore, our results showed that growth factor cocktails 1 and 2 gave the best result for differentiation of MSCs into HLCs. MSCs could be feasible, readily available, and novel source for differentiation of MSCs into HLCs for future therapeutic implication.
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Acknowledgments
The authors would like to thank MSA, 6th October University for in part supporting of this study and our patients for their willing participation in our research.
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The authors declare no conflicts of interest.
Declaration of ethics
This study was approved by the review board of Kasr El-Aini hospital (FWA 00010609), and written informed consent was obtained from all patients according to Helsinki guidelines of research ethics.
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El-Hamid, S.A., Mogawer, A. In vitro mesenchymal stem cells differentiation into hepatocyte-like cells in the presence and absence of 3D microenvironment. Comp Clin Pathol 23, 1051–1058 (2014). https://doi.org/10.1007/s00580-013-1741-5
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DOI: https://doi.org/10.1007/s00580-013-1741-5