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纤维光 (FLight) 生物打印具有自我更新潜力的迷你肌肉

Hao Liu¹, Michael Winkelbauer¹, Jakub Janiak¹

¹Tissue Engineering + Biofabrication Laboratory, Department of Health Sciences and Technology, ETH Zürich, Zürich, Switzerland.

Advanced materials (Deerfield Beach, Fla.)

|July 23, 2025

概括

这项研究引入了有线光 (FLight) 生物打印技术,以创建微型肌肉组织,用于研究骨肌肉再生. 这些工程肌肉模仿体内条件,并显示出疾病建模和药物查的前景.

科学领域:

生物技术是生物技术.
组织工程是组织工程.
再生医学是一种再生医学.

背景情况:

骨肌肉的再生依赖于静止的干细胞.
在体外模型对于研究肌肉特性和疾病至关重要.
目前的模型可能无法完全复制体内肌肉复杂性.

研究的目的:

开发一种高吞吐量生物打印方法,用于创建功能性迷你肌肉组织.
研究光 (FLight) 生物打印用于骨肌肉建模的潜力.
评估工程肌肉组织的再生能力.

主要方法:

纤维光 (FLight) 生物打印被用来制造微型肌肉组织从原纤维素 (ColFib) 水凝.
使用配对的盒子蛋白7 (Pax7) - nGFP初级细胞核细胞被利用.
研究人员分析了工程组织的细胞组织,肌管形成和收缩功能.
用心脏毒素诱导的损伤和小分子治疗来评估再生.

主要成果:

FLight生物打印产生了对齐的髓管和体内类似组织组织,具有Pax7+细胞池.
在迷你肌肉组织中观察到自发和受刺激的收缩.
科尔菲布矩阵支持维持Pax7+细胞池.
工程肌肉在受伤后表现出强大的再生能力,恢复了收缩性质.
雷普索克斯治疗增强了肌肉再生.

结论:

FLight生物打印是一种可行的高吞吐量方法,用于生成功能性骨肌肉结构.
这些迷你肌肉组织是研究肌肉再生和疾病的宝贵平台.
开发的模型显示了临床前药物查和治疗干预措施评估的潜力.

关键词:

生物制造是生物制造的方法.原蛋白是一种原蛋白.光灯是一种光灯.肌肉肌肉肌肉肌肉肌肉摄影光是一种光.

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