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Abstract |
Differentiation Potential of Adult Human Mesenchymal Stem Cells |
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Human mesenchymal stem cells (HMSCs) which are isolated from bone marrow stroma, peripheral blood, dermis, muscle and adipose tissue have the advantage of potential autologous transplantation ability. They can be differentiated into chondrogenic, osteogenic, adipogenic and myogenic lineages. Problems of stem cells from bone marrow are low cell numbers, low isolated volumes, pain, and to some extent ethical concerns. The isolation of mesenchymal stem cells from human adipose tissue was recently identified as an alternative source, since these cells are easy to obtain in big cell numbers. Adipose tissue is derived from embryonic mesoderm and contains a heterogeneous stromal cell population. To achieve lineage-specific differentiation of these cells they have to be cultured in media supplemented with appropriate factors. Inductions of the cells into multiple mesenchymal lineages resulted in the expression of several lineage-specific genes, proteins and specific metabolic activity. In conclusion, the potential benefit of the multi-germline capacity of HMSCs seems to be a promising approach for allogenic cell therapy and human tissue engineering. |
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