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相关实验视频

Updated: Sep 15, 2025

Pancreatic Tissue-Derived Extracellular Matrix Bioink for Printing 3D Cell-Laden Pancreatic Tissue Constructs
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可相交联结的脱细胞化外细胞矩阵为基础的生物墨水用于3D生物打印.

Jaemyung Shin1, Nima Tabatabaei Rezaei2, Subin Choi1

  • 1Department of Biomedical Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alberta, T2N 1N4, Canada.

Advanced healthcare materials
|July 16, 2025
PubMed
概括

研究人员从脱细胞化细胞外基质 (KdMA) 开发出一种新的特异性生物墨水. 这种生物材料支持细胞活力,并使脏组织工程的先进3D生物打印成为可能.

关键词:
在3D生物打印中使用3D生物打印脱细胞化的细胞外矩阵.脏组织工程 脏组织工程照片交叉链接的生物墨水

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科学领域:

  • 生物材料科学 生物材料科学
  • 组织工程是组织工程.
  • 再生医学是一种再生医学.

背景情况:

  • 三维生物打印对于创建再生医学组织结构至关重要.
  • 开发模仿本地微环境的器官特定生物墨水是一个重大挑战.
  • 现有的生物墨水往往难以支持细胞活力和组织成熟.

研究的目的:

  • 开发和描述一种来自脱细胞化猪脏细胞外基质 (KdMA) 的新型光交联生物墨.
  • 评估KdMA生物墨的适用于生物打印应用的适用性,包括细胞封装和多层结构.
  • 评估KdMA在推进脏组织工程和有机体开发方面的潜力.

主要方法:

  • 猪脏组织的脱细胞化以分离细胞外基质.
  • 脱细胞化的细胞外基质的甲化,以创建可光交联的KdMA.
  • 描述KdMA的风湿性质,包括刚性和光固化动力学.
  • 使用KdMA通过立体石刻和挤出方法对人类胚胎细胞进行生物打印.
  • 评估细胞活力,球形形成和印刷结构的结构完整性.

主要成果:

  • KdMA生物墨水表现出有利的风湿性质和快速光固化.
  • 封装细胞显示出高活力,并形成多细胞球体.
  • 生物墨水支持稳定的多层生物打印,具有可调节的机械性能和保存的结构完整性.
  • KdMA证明与数字光处理立体石版和基于挤出的生物打印兼容.

结论:

  • KdMA是一种有前途的脏特异生物墨水,用于组织工程应用.
  • 生物墨的特性支持细胞活力,增殖和组织成熟.
  • KdMA提供了一个多功能平台,用于开发仿生结构,并促进器官的发育.