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The comparition of biological characteristics and multilineage differentiation of bone marrow and adipose derived Mesenchymal stem cells

机译:骨髓和脂肪来源的间充质干细胞的生物学特性比较和多系分化

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We compared the two sources of adipose and bone marrow-derived mesenchymal stem cells (BMSCs and AMSCs ) in multiple differentiation capacity and biological characteristics to provide a theoretical basis for stem cells transplantation. We isolated bone marrow- and adipose-derived mesenchymal stem cells and compared their phenotype,cell doubling time, the secretion of factors and their ability of multi-differentiation. We also compared their differences in T lymphocyte activation, proliferation and suppression. BMSCs and AMSCs were similar in cell phenotype and the differences existed only in the expression of CD106. On the proliferation rate, AMSCs were faster than BMSCs (doubling time 28 vs. 39 h). In addition, both of these two sources of cells were able to differentiate into bone, fat and cartilage that proved their stem cells properties and the number of stem cell progenitors (CFU-F) from adipose tissue were 10 times larger than those from bone marrow. But AMSCs showed a diminished capacity for suppressing T lymphocyte proliferation and activation compared to BMSCs. Cell origin and abundance were decisive factors in stem cells applications and, in the same volume, with the same premise of AMSCs and BMSCs, adipose tissue is a more promising source of stem cells.
机译:我们比较了脂肪来源和骨髓来源的间充质干细胞(BMSCs和AMSCs)的两种来源的多重分化能力和生物学特性,为干细胞移植提供了理论基础。我们分离了来自骨髓和脂肪的间充质干细胞,并比较了它们的表型,细胞倍增时间,因子的分泌及其多分化能力。我们还比较了它们在T淋巴细胞激活,增殖和抑制方面的差异。 BMSCs和AMSCs在细胞表型上相似,仅在CD106的表达上存在差异。在增殖速率方面,AMSC比BMSC快(倍增时间28 vs. 39 h)。此外,这两种细胞来源都能够分化为骨骼,脂肪和软骨,这证明了它们的干细胞特性,并且来自脂肪组织的干细胞祖细胞(CFU-F)的数量比来自骨髓的干细胞祖细胞的数量大十倍。 。但是与BMSC相比,AMSC抑制T淋巴细胞增殖和激活的能力减弱。细胞来源和丰度是干细胞应用中的决定性因素,并且在相同体积,相同条件下,AMSC和BMSC的前提下,脂肪组织是干细胞更有希望的来源。

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