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Retinal Organoid Induction System for Derivation of 3D Retinal Tissues from Human Pluripotent Stem Cells
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一个三层视网膜样结构的顺序制造.

Yahel Shechter1, Roni Cohen1,2,3, Michael Namestnikov1

  • 1Shmunis School of Biomedicine and Cancer Research, Faculty of Life Science, Tel Aviv University, Tel Aviv 6997801, Israel.

Gels (Basel, Switzerland)
|May 24, 2024
PubMed
概括

研究人员使用3D打印和细胞沉积开发了三层视网膜状组织. 这种创新的组织工程方法旨在治疗与年龄相关的黄斑变性 (AMD) 等退行性黄斑病变.

关键词:
在3D生物打印中使用3D生物打印.与年龄相关的黄斑变性.视网膜 视网膜 视网膜 是一个组织工程是组织工程.

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科学领域:

  • 生物医学工程 生物医学工程
  • 再生医学是一种再生医学.
  • 眼科医生 眼科 眼科

背景情况:

  • 与年龄相关的黄斑变性 (AMD) 是导致失明的首要原因,其特征是视网膜层的变性,包括胆,视网膜色素表皮 (RPE) 和光受体.
  • 目前对晚期AMD的治疗方法有限,这凸显了对新型治疗策略的需求.
  • 组织工程为恢复视网膜功能提供了一个有希望的途径.

研究的目的:

  • 开发一种可重复的,逐步制造的三层视网膜样组织结构的工艺.
  • 为了创建一个功能植入物,能够解决在黄斑病变中看到的复杂变性.
  • 评估这种工程组织在治疗视网膜退行性疾病方面的潜力.

主要方法:

  • 制造过程涉及3D打印在细胞外基质 (ECM) 水凝中的一种状结构.
  • 随后的视网膜色素表皮质 (RPE) 单层的沉积,随后是光感受细胞的整合.
  • 描述个体层形态,特定标记物表达和整体三层视网膜整合.

主要成果:

  • 一个功能性的三层视网膜样结构被成功制造出来.
  • 该过程确保了胆,RPE和光受体层之间的正确组织和相互作用.
  • 形态和标记分析证实了工程视网膜结构的成功整合和潜在可行性.

结论:

  • 开发的制造工艺为创建复杂的多层视网膜组织提供了一种可行的方法.
  • 这种类似视网膜的结构具有减轻视网膜退化和改善移植和再生的潜力.
  • 视网膜植入物可能为黄斑退行性疾病提供未来的治疗选择,可能预防失明.