首页> 外文期刊>Acta biomaterialia >Multifunctional implantable particles for skin tissue regeneration: Preparation, characterization, in vitro and in vivo studies.
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Multifunctional implantable particles for skin tissue regeneration: Preparation, characterization, in vitro and in vivo studies.

机译:用于皮肤组织再生的多功能可植入颗粒:制备,表征,体外和体内研究。

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摘要

The transplantation of cell-polymer constructs has been developed as a novel approach to curing tissue defects. However, a number of methodological problems remain to be solved, including the loss of a proper cellular milieu, the relatively long period of culture time and the complexity of the application. The aim of the present article is to evaluate the feasibility of porous gelatin-based implantable particles as a novel strategy for delivery of cultured cells and bioactive molecules to correct dermal defects. For this purpose, implantable porous gelatin particles (100-230mum) encapsulating proliferative growth factors were prepared and characterized, and their influence on fibroblasts was assessed. In vivo examinations were undertaken to observe guided dermal tissue regeneration after the transplantation of the implantable particles. Our results indicate the feasibility of transplanting multifunctional implantable particles as a culture substrate, as a protein transplantation vehicle or as a biodegradable implant for skin regeneration, thus giving an indication of the possible applications in tissue engineering.
机译:已经开发出细胞-聚合物构建体的移植作为治疗组织缺陷的新方法。然而,许多方法学问题仍待解决,包括丧失适当的细胞环境,相对较长的培养时间以及应用的复杂性。本文的目的是评估基于多孔明胶的可植入颗粒作为输送培养细胞和生物活性分子以纠正皮肤缺陷的新策略的可行性。为此,制备并表征了包埋有增生性生长因子的可植入多孔明胶颗粒(100-230μm),并评估了它们对成纤维细胞的影响。进行体内检查以观察可植入颗粒的移植后引导的皮肤组织再生。我们的结果表明了将多功能可植入颗粒作为培养基,蛋白质移植载体或可生物降解植入物进行皮肤再生的可行性,从而为组织工程中的可能应用提供了指示。

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