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Osteogenic Differentiation of Marrow Mesenchymal Stem Cells (MSCs) on Ceramic Total Joints - Significance of Patient's Serum for Proliferation and Differentiation of MSCs

机译:骨髓间充质干细胞(MSCs)对陶瓷总关节的成骨分化 - 患者血清血清增殖和分化的意义

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After culture expansion of mesenchymal stem cells (MSCs) from a few milliliter of fresh patient's bone marrow, we applied the MSCs on alumina ceramic ankle prosthesis and further cultured in an osteogenic medium for 2 weeks. After the culture, the MSCs differentiated into osteoblasts, which fabricated bone matrix on the surface of ceramic prosthesis. The expansion of MSCs followed by osteogenic differentiation was done using the commercially available medium with some chemicals and patient's own serum. The MSCs well proliferated and differentiated into osteoblasts, even the MSCs were from old aged (more than 70 years old) patients. The tissue engineered ceramic prostheses were implanted into osteoarthritic patients. Typical X-ray findings showed that radiodense areas began to appear around the cell-seeded areas on the prosthesis about 2 to 3 months after the operation. These findings confirmed the importance of tissue engineering approach for early bone fixation and the approach can be done using small number of bone marrow cells and patient's own serum without adding animal-derived products.
机译:在培养间充质干细胞(MSCs)的培养后,从几毫升新鲜患者的骨髓中施加MSCs在氧化铝陶瓷踝部假体上施加MSC,并在成骨培养基中进一步培养2周。在培养之后,MSCs分化成骨细胞,其在陶瓷假体表面上制造骨基质。使用商业上可获得的培养基和患者自己的血清,通过市售培养基进行逐渐发生的MSCs的扩张。 MSCs良好的增殖和分化为成骨细胞,即使MSCs也来自老年人(超过70岁)患者。将组织工程化陶瓷假体植入骨科患者中。典型的X射线结果表明,在手术后约2至3个月,在假体上开始辐射区域在细胞上的区域周围出现。这些发现证实了组织工程方法对早期骨固定的重要性,并且可以使用少量骨髓细胞和患者自己的血清来完成这种方法,而无需添加动物衍生的产品。

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