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首页> 外文期刊>Journal of industrial and engineering chemistry >Adipose-derived mesenchymal stem cell spheroid sheet accelerates regeneration of ulcerated oral mucosa by enhancing inherent therapeutic properties
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Adipose-derived mesenchymal stem cell spheroid sheet accelerates regeneration of ulcerated oral mucosa by enhancing inherent therapeutic properties

机译:脂肪衍生的间充质干细胞球体通过增强固有的治疗性能加速溃疡口腔粘膜的再生

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The goal of this study was to investigate the effect of transplantation of an adipose-derived stem cell (ASC) spheroid sheet on the regeneration of ulcerated oral mucosa. The ASC spheroid sheet was constructed by seeding three-dimensional (3D) spheroidal ASCs on a temperature-responsive hydrogel, where cell adhesion and spreading were improved by incorporating fibronectin. The 3D culture of ASCs enhanced their inherent paracrine properties for up to 1 week after transferring to two-dimensional (2D) culture conditions. Expansion of the hydrogel through temperature change promoted effective delivery of ASCs to the site of injury, and viability was maintained after transferring ASCs to the target substrate. Treatment with the ASC spheroid sheet accelerated wound closure and regeneration of the stratified multi-layered epithelium. The regenerated epithelium not only had structural integrity, but also displayed phenotypic polarization across the mucosa; basal epithelial cells expressed cytokeratin 5, whereas cytokeratin 13-positive cells were located in the supra-basal layers. In addition, by day 7 after treatment, the mucosa that received the ASC spheroid sheet had significantly decreased inflammation, similar to that of the normal mucosa. These results demonstrate that the ASC spheroid sheet is an effective treatment for ulcers in the oral cavity. (C) 2020 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译:本研究的目的是探讨移植脂肪衍生的干细胞(ASC)球状片对溃疡口腔粘膜再生的影响。通过在温度响应的水凝胶上播种三维(3D)球形ASC,通过掺入纤连蛋白来改善细胞粘附和扩散来构建ASC球状片。在转移到二维(2D)培养条件后,ASCS的3D培养增强了最多1周的固有旁旁曲线性能。通过温度变化的水凝胶的膨胀促进了有效递送了ASC的递送到损伤部位,并且在将ASCS转移到靶衬底后保持活力。用ASC球形片材加速伤口闭合和分层多层上皮的再生处理。再生上皮不仅具有结构完整性,而且还显示出粘膜上的表型极化;基底上皮细胞表达细胞角蛋白5,而细胞角蛋白13阳性细胞位于Supra基础层中。此外,在治疗后第7天,接受ASC球状片材的粘膜显着降低了炎症,类似于正常粘膜的炎症。这些结果表明,ASC球状片材是对口腔中的溃疡的有效处理。 (c)2020朝鲜工业与工程化学学会。 elsevier b.v出版。保留所有权利。

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