相关实验视频
Updated: Jul 27, 2026

06:50
Sandwich-like Microenvironments to Harness Cell/Material Interactions
Published on: August 4, 2015
8.0K
齐恩/富科伊丹微载体通过地形线索和水力动力学调制促进肌体差异化
Wanli Xiong1, Chengxin Ge1, Botao Zhang1
1State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, PR China.
Journal of bioscience and bioengineering
|December 5, 2025
概括
有槽的可食用微载体通过控制细胞分化来增强培养肉的生产. 这种新的脚手架设计结合了表面地形和低流体剪切应力,以实现最佳的细胞生长和基因表达.
科学领域:
- 生物材料工程 生物材料工程
- 细胞农业 细胞农业
- 组织工程是组织工程.
背景情况:
- 微载体表面地形和流体剪切应力 (FSS) 是影响细胞行为的关键因素.
- 开发有效的支架对于可扩展的培养肉类生产至关重要.
研究的目的:
- 设计和评估一种可食用的Zeen/fucoidan微载体,具有200微米的槽,用于控制肌原分化.
- 分析槽地形和FSS在动态培养中对细胞附着,增殖和分化的影响.
主要方法:
- 制造有槽的子/fucoidan微型载体.
- 旋转器瓶的动态培养实验.
- 计算流体动力学 (CFD) 模拟来分析微流体特性和FSS.
- 评估细胞附着,增殖和肌原性标记物的基因表达.
主要成果:
- 划槽的微载体表现出良好的细胞附着和增殖,达到最大细胞密度为1.16 × 10 6 细胞/毫升.
- 槽形地图促进了细胞对齐,并显著增强了肌原分化标记物 (MyoD1,α-actinin,MHC) 和细胞融合 (MYMK) 的表达.
- CFD模拟显示了槽内低剪切微环境 (3.93 × 10-2 到 1.18 × 10-1 Pa),该微环境优化了肌原分化基因表达 (MyoD1,MyoG,MEF2C,α-actinin,Myh2).
结论:
- 槽结构和低FSS微环境对槽式微载体的协同效应显著增强了培养肉生产的肌性差异化.
- 这项研究提供了一种新的脚手架设计策略,将仿生拓学和流体动力学结合起来,用于可扩展的培养肉应用.
- 槽式微载体为平面和球形设计提供了一个有前途的替代方案,用于高效的培养肉的开发.
相关概念视频
Subcellular Fractionation
The homogenate obtained after cell lysis contains various membrane-bound organelles that can be further separated into pure fractions by subcellular fractionation. These isolates are used to study specific cellular components, analyze localized protein activity, and are even employed in diagnostics. Fractionation is typically achieved using centrifugation methods, the most common being density-gradient and differential centrifugation.
Differential Centrifugation
Differential centrifugation is...
Differential Centrifugation
Differential centrifugation is...
Diversity of Protists III
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...

