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Mol Med Rep:环肽改性支架可用于组织工程骨修复

2019-07-28 不详 网络

股骨头坏死(ONFH)是一种常见的骨病。在股骨头塌陷之前治疗ONFH对于提高治疗效率是至关重要的。使用骨髓间充质干细胞(BMSCs)与支架结合的组织工程疗法是一种很有前景的策略。但是,目前尚不清楚如何在这种条件下提高BMSC募集的效率。在本研究中,使用用于Sprague-Dawley大鼠BMSC的特定环肽,CTTNPFSLC(称为C7),其通过噬菌体展示技术鉴定。使用流式细胞术和荧光染色证明其对B

股骨头坏死(ONFH)是一种常见的骨病。在股骨头塌陷之前治疗ONFH对于提高治疗效率是至关重要的。使用骨髓间充质干细胞(BMSCs)与支架结合的组织工程疗法是一种很有前景的策略。但是,目前尚不清楚如何在这种条件下提高BMSC募集的效率。

在本研究中,使用用于Sprague-Dawley大鼠BMSC的特定环肽,CTTNPFSLC(称为C7),其通过噬菌体展示技术鉴定。使用流式细胞术和荧光染色证明其对BMSC的高亲和力。随后,使用吸收和冷冻干燥过程将环肽置于β-磷酸三钙(β-TCP)支架上。在C7处理的β-TCP支架上体外研究BMSC的粘附,扩增和增殖,并与纯β-TCP支架进行比较。结果显示,C7对β-TCP支架上BMSCs的粘附,扩增和增殖具有促进作用。

总之,该研究结果表明,C7可能在将来的ONFH组织工程治疗中有效。

原始出处:

Sun T, Man Z, et al., A specific affinity cyclic peptide enhances the adhesion, expansion and proliferation of rat bone mesenchymal stem cells on β tricalcium phosphate scaffolds. Mol Med Rep. 2019 Aug;20(2):1157-1166. doi: 10.3892/mmr.2019.10335. Epub 2019 Jun 4.

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