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Extracellular matrix and biomimetic engineering microenvironment for neuronal differentiation 被引量:3
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作者 Deepak Jain Sabrina Mattiassi +1 位作者 Eyleen L.Goh Evelyn K.F.Yim 《Neural Regeneration Research》 SCIE CAS CSCD 2020年第4期573-585,共13页
Extracellular matrix(ECM)influences cell differentiation through its structural and biochemical properties.In nervous system,neuronal behavior is influenced by these ECMs structures which are present in a meshwork,fib... Extracellular matrix(ECM)influences cell differentiation through its structural and biochemical properties.In nervous system,neuronal behavior is influenced by these ECMs structures which are present in a meshwork,fibrous,or tubular forms encompassing specific molecular compositions.In addition to contact guidance,ECM composition and structures also exert its effect on neuronal differentiation.This short report reviewed the native ECM structure and composition in central nervous system and peripheral nervous system,and their impact on neural regeneration and neuronal differentiation.Using topographies,stem cells have been differentiated to neurons.Further,focussing on engineered biomimicking topographies,we highlighted the role of anisotropic topographies in stem cell differentiation to neurons and its recent temporal application for efficient neuronal differentiation. 展开更多
关键词 BIOMIMETIC platforms biophysical cues contact guidance extracellular matrix NEURONAL development NEURAL regeneration NEURAL STEM CELL niche NEURONAL differentiation NEURONAL maturation STEM CELL topography
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物理微环境调控干细胞定向分化
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作者 李驰宇 樊瑜波 郑丽沙 《生物医学工程学杂志》 EI CAS 北大核心 2023年第4期609-616,共8页
干细胞具有自我更新和多向分化的能力,在组织工程和再生医学领域被认为有广泛的应用前景。然而,干细胞的功能依赖于自身所处的微环境即干细胞龛。干细胞龛中包含复杂的生物物理和生物化学因素。最近的研究表明,生物物理因素即干细胞所... 干细胞具有自我更新和多向分化的能力,在组织工程和再生医学领域被认为有广泛的应用前景。然而,干细胞的功能依赖于自身所处的微环境即干细胞龛。干细胞龛中包含复杂的生物物理和生物化学因素。最近的研究表明,生物物理因素即干细胞所处的物理微环境在调控干细胞定向分化中发挥着重要的作用。在体外,人工合成的物理微环境能够精确操控多种生物物理特性。在此基础上,研究者进一步开展了如基质硬度、基质形貌和机械力等生物物理特性对各种不同种类的干细胞定向分化功能影响的研究。本文总结了人工构建物理微环境的手段及力学模型,并且综述了不同生物物理特性对干细胞分化影响的研究现状,希望对今后相关领域的研究发展提供参考借鉴。 展开更多
关键词 干细胞 分化 微环境 生物物理信号
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