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相关概念视频

Gastrulation01:56

Gastrulation

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Gastrulation establishes the three primary tissues of an embryo: the ectoderm, mesoderm, and endoderm. This developmental process relies on a series of intricate cellular movements, which in humans transforms a flat, “bilaminar disc” composed of two cell sheets into a three-tiered structure. In the resulting embryo, the endoderm serves as the bottom layer, and stacked directly above it is the intermediate mesoderm, and then the uppermost ectoderm. Respectively, these tissue strata...
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相关实验视频

Updated: Nov 4, 2025

Combining Human Organoids and Organ-on-a-Chip Technology to Model Intestinal Region-Specific Functionality
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使用多内皮器官图谱和器官模型绘制人类发育图

Qianhui Yu1, Umut Kilik2, Emily M Holloway3

  • 1Institute of Molecular and Clinical Ophthalmology Basel, 4031 Basel, Switzerland.

Cell
|May 21, 2021
PubMed
概括

这项研究使用单细胞地图绘制人体器官发育图,揭示了关键的相互作用和转录因素. 它验证了人类多能干细胞衍生的肠道器官 (HIO) 并确定了NRG1和CDX2在器官生成中的作用.

关键词:
在CDX2一个NRG1人体内皮的发育肠道有机物中酶异质性多器官细胞图谱单细胞转录组学

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科学领域:

  • 发育生物学
  • 基因组学
  • 干细胞生物学

背景情况:

  • 器官的发育包括动态细胞状态的转变.
  • 了解人类器官生成需要详细的细胞和分子洞察力.

研究的目的:

  • 创建一个单细胞转录组图库,
  • 以人类多能干细胞衍生的肠道器官 (HIO) 与发育图谱进行比较.
  • 确定调节人体器官发育和干细胞成熟的分子机制.

主要方法:

  • 从多个发育中的人类内皮器官生成单细胞转录组图谱.
  • 细胞状态,转录因子和细胞相互作用的分析.
  • 使用图谱对人类多能干细胞衍生肠道有机体 (HIOs) 进行基准测试.
  • 在体外研究利基线索和转录因子的影响.

主要成果:

  • 这本地图书揭示了人类器官生成过程中的多种细胞状态和相互作用.
  • 人类多能干细胞衍生的肠道器官 (HIOs) 成功地回顾了细胞发育状态.
  • 介质基因衍生因子NRG1在体外促进肠道干细胞成熟.
  • 转录因子CDX2对于人类肠道上皮和介质细胞区域化至关重要.

结论:

  • 一个全面的地图书有助于理解人体器官的发育.
  • 人类多能干细胞衍生肠道器官 (HIO) 是研究器官生成的有价值模型.
  • 像NRG1和CDX2这样的基底信号和转录因子在指导人体器官发育中起着关键作用.