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中文摘要：
力学刺激对细胞的生长和功能起着重要调节作用。随着空间生命科学与空间生物技术的迅速发展,空间条件下细胞的生物学行为特征、规律及其相关分子机理逐渐成为空间生物学研究的热点和前沿。骨髓间充质干细胞（bone marrow mesenchymal stem cells,MSCs）是一种具有自我更新和多向分化潜能的多能干细胞,在组织修复中起重要作用,是临床细胞治疗的主要材料。近年来,人们利用空间模拟技术在细胞响应微重力环境的生物学特征研究方面取得了重要进展。本文介绍了目前常用的几种地基微重力效应模拟装置,结合相关研究成果对微重力作用下MSCs增殖、分化行为的改变及其相关的分子机理进行简要综述,为预防和治疗微重力相关疾病提供理论参考。
英文摘要：
Mechanical stimulation plays key roles in regulating the development and function of cells. With the rapid progress of space life science and space biotechnology, the biological behaviors of cells and the involved molecular mechanisms in space have gradually become a hot topic and frontier of the space biology. Bone marrow mesenchymal stem cells （MSCs） plays an important part in clinical cytotherapy and wound healing, due to its self-renewal and multi-lineage differentiation potentials. In recent years, researchers have made significant achievements in biological behaviors of cells responding to microgravity environment by means of space simulation technology. In this review, some commonly used microgravity simulation devices were introduced, and changes in MSCs proliferation and differentiation under microgravity and its related molecular mechanisms were briefly summarized, so as to provide theoretical references for prevention and treatment of microgravity-related diseases.
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