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首页> 外文期刊>Acta biomaterialia >Biomimetic 3D in vitro model of biofilm triggered osteomyelitis for investigating hematopoiesis during bone marrow infections
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Biomimetic 3D in vitro model of biofilm triggered osteomyelitis for investigating hematopoiesis during bone marrow infections

机译:生物膜触发骨髓炎骨髓炎患者骨髓炎治疗骨髓感染的仿生模型

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摘要

In this work, we define the requirements for a human cell-based osteomyelitis model which overcomes the limitations of state of the art animal models. Osteomyelitis is a severe and difficult to treat infection of the bone that develops rapidly, making it difficult to study in humans. We have developed a 3D in vitro model of the bone marrow, comprising a macroporous material, human hematopoietic stem and progenitor cells (HSPCs) and mesenchymal stromal cells (MSCs). Inclusion of biofilms grown on an implant into the model system allowed us to study the effects of postoperative osteomyelitis-inducing bacteria on the bone marrow. The bacteria influenced the myeloid differentiation of HSPCs as well as MSC cytokine expression and the MSC ability to support HSPC maintenance. In conclusion, we provide a new 3D in vitro model which meets all the requirements for investigating the impact of osteomyelitis. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
机译:在这项工作中,我们定义了对基于人细胞的骨髓炎模型的要求克服了艺术动物模型状态的局限性。 骨髓炎是一种严重且难以治疗迅速发展的骨骼的感染,使得难以研究人类。 我们已经开发了骨髓的3D体外模型,包括大孔材料,人造血干和祖细胞(HSPCs)和间充质基质细胞(MSC)。 将生物膜纳入植入物中的生物膜进入模型系统,使我们能够研究术后骨髓炎诱导细菌对骨髓的影响。 细菌影响了Hspcs的骨髓分化以及MSC细胞因子表达和支持HSPC维护的MSC能力。 总之,我们提供了一种新的3D体外模式,满足了研究骨髓炎的影响的所有要求。 (c)2018 Acta Materialia Inc.出版的Althervier Ltd.保留所有权利。

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