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KMID : 1204720140070020127
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International Journal of Stem Cells
2014 Volume.7 No. 2 p.127 ~ p.134
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Mesengenic Differentiation: Comparison of Human and Rat Bone Marrow Mesenchymal Stem Cells
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Scuteri Arianna
Donzelli Elisabetta
Foudah Dana
Caldara Cristina
Redondo Juliana
D’Amico Giovanna
Tredici Giovanni
Miloso Mariarosaria
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Abstract
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Background and Objectives: Cellular therapies using Mesenchymal Stem Cells (MSCs) represent a promising approach for the treatment of degenerative diseases, in particular for mesengenic tissue regeneration. However, before the approval of clinical trials in humans, in vitro studies must be performed aimed at investigating MSCs’ biology and the mechanisms regulating their proliferation and differentiation abilities. Besides studies on human MSCs (hMSCs), MSCs derived from rodents have been the most used cellular type for in vitro studies. Nevertheless, the transfer of the results obtained using animal MSCs to hMSCs has been hindered by the limited knowledge regarding the similarities existing between cells of different origins. Aim of this paper is to highlight similarities and differences and to clarify the sometimes reported different results obtained using these cells.
Methods and Results: We compare the differentiation ability into mesengenic lineages of rat and human MSCs cultured in their standard conditions. Our results describe in which way the source from which MSCs are derived affects their differentiation potential, depending on the mesengenic lineage considered. For osteogenic and chondrogenic lineages, the main difference between human and rat MSCs is represented by differentiation time, while for adipogenesis hMSCs have a greater differentiation potential.
Conclusions: These results on the one hand suggest to carefully evaluate the transfer of results obtained with animal MSCs, on the other hand they offer a clue to better apply MSCs into clinical practice.
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KEYWORD
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Mesenchymal Stem Cells, Human, Rat, Osteogenic Differentiation, Adipogenic Differentiation, Chondrogenic Differentiation
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