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More insight into mesenchymal stem cells and their effects inside the body.

机译:进一步了解间充质干细胞及其在体内的作用。

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IMPORTANCE OF THE FIELD: The pan-tissue existence and multipotency of differentiation make mesenchymal stem cells (MSCs) an attractive source of cells as tissue repair cells, seeds of engineered tissue, vehicles for gene therapy or in combination to promote tissue regeneration in wound healing and disease recovery. AREAS COVERED IN THIS REVIEW: This review focuses on recent understanding on MSC's basic biological characteristics and the mechanisms underlying the therapeutic effects of MSCs in vivo. WHAT THE READER WILL GAIN: The gene expression profiles for mRNA, protein, microRNA and cell surface marker of MSCs are summarized. Special attention is given to miRNA expression and its relationship with the characteristics of MSCs. The mechanisms of therapeutic effects of MSCs are attributed to their ability to migrate along chemokine gradients, differentiate into tissue-specific cells, enhance angiogenesis of wound tissue and regulate immune response. As examples, a detailed description is given on the regeneration of functional sweat glands on burned skin as well as neural cells in middle cerebral artery occlusion (MCAO) animals upon MSC transplantation. TAKE HOME MESSAGE: Based on current data, although limited, the mesenchymal-epithelial transition is proposed to be one of the important ways for MSCs to participate tissue repair.
机译:领域的重要性:泛组织的存在和分化的多能性使间充质干细胞(MSC)成为有吸引力的细胞来源,如组织修复细胞,工程组织的种子,基因治疗的载体或结合使用以促进伤口愈合中的组织再生和疾病恢复。本综述涵盖的领域:这篇综述着重于对MSC基本生物学特性以及MSC体内治疗作用的潜在机制的最新了解。读者的收获:总结了MSCs的mRNA,蛋白质,微小RNA和细胞表面标志物的基因表达谱。特别注意miRNA表达及其与MSCs特性的关系。 MSC的治疗作用机制归因于它们沿着趋化因子梯度迁移,分化成组织特异性细胞,增强伤口组织的血管生成和调节免疫应答的能力。例如,详细描述了MSC移植后烧伤皮肤上的功能性汗腺以及大脑中动脉闭塞(MCAO)动物中神经细胞的再生。寄语:根据目前的数据,尽管局限性,但建议间充质-上皮转化是MSC参与组织修复的重要途径之一。

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