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使用生物3D打印机使用头骨神经衍生的细胞系创建3D结构.

Masahide Taguchi1, Shohei Yoshimoto2, Kanako Suyama1

  • 1Section of Pediatric Dentistry, Department of Oral Growth and Development, Fukuoka Dental College, Fukuoka, Japan.

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概括

研究人员使用生物3D打印开发了一种新的3D构造,用于再生医学. 这种模型模仿了牙-肉复合体,显示了对研究牙发育 (牙生成) 必不可少的关键细胞外矩阵蛋白质的极化表达.

关键词:
3D构造的3D构造生物3D打印机打印机球形球形是指一个球形状的球体.氨酸 C 氨酸 C 氨酸

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科学领域:

  • 再生医学是一种再生医学.
  • 生物打印是一种生物打印技术.
  • 发展生物学 发展生物学

背景情况:

  • 生物三维 (bio-3D) 打印技术推动了再生医学的发展.
  • 三维 (3D) 结构,就像球体一样,利用细胞外矩阵蛋白来进行生理相关的细胞培养.
  • 需要一个牙-肉复合体的3D构造模型.

研究的目的:

  • 为了创建一个功能性的3D结构来建模牙-肉复合体.
  • 在3D结构中评估细胞外矩阵蛋白和细胞增殖的表达模式.

主要方法:

  • 利用来自小鼠头骨神经细胞的O9-1细胞.
  • 通过使用生物3D打印机将球形培养物粘附到针阵列上来制造出3D构造.
  • 检查了Tenascin C和DMP1的表达,以及细胞增殖区域.

主要成果:

  • 素C和DMP1的表达在球体和2D培养中显著增强.
  • 细胞增殖和素C表达被局部化到胚胎干细胞介质的外层.
  • 在化诱导介质中促进了DMP1的表达,外层的DMP1阳性细胞与素C不同.

结论:

  • 细胞外矩阵蛋白质Tenascin C和DMP1在3D结构中表现出极化表达,反映了牙乳头的特征.
  • 这些3D构造表明了研究牙生成的人工模型的潜力.