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相关概念视频

Notch Signaling Pathway03:14

Notch Signaling Pathway

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The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not...
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Role Of Notch Signalling In Intestinal Stem Cell Renewal01:12

Role Of Notch Signalling In Intestinal Stem Cell Renewal

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Notch signaling was first discovered in Drosophila melanogaster, where it is involved in cell lineage differentiation. Notch signaling regulates the maintenance and differentiation of intestinal stem cells or ISCs by controlling the expression of atonal homolog 1 or Atoh1. Atoh1 directs cells to differentiate into secretory cells.
Direct cell-to-cell contact is needed for the activation of Notch signaling. The signal is initiated when a notch ligand binds to a receptor on an adjacent cell, also...
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相关实验视频

Updated: Jun 19, 2025

Light-sheet Fluorescence Microscopy to Capture 4-Dimensional Images of the Effects of Modulating Shear Stress on the Developing Zebrafish Heart
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Light-sheet Fluorescence Microscopy to Capture 4-Dimensional Images of the Effects of Modulating Shear Stress on the Developing Zebrafish Heart

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复杂的MIB1-NOTCH-GATA6在心脏膜和 Septal 发育中的相互作用.

Rebeca Piñeiro-Sabarís1,2, Donal MacGrogan1,2, José Luis de la Pompa1,2

  • 1Intercellular Signaling in Cardiovascular Development & Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Melchor Fernández Almagro 3, 28029 Madrid, Spain.

Journal of cardiovascular development and disease
|July 26, 2024
PubMed
概括

这项研究表明,MIB1 (恶性脑瘤1) 可以抑制GATA6基因突变,影响先天性心脏病 (CHD) 的发展. 了解这些基因相互作用对于治疗心脏缺陷的新治疗策略至关重要.

关键词:
这就是为什么BAVAV BAVAV.在 CHD 中,您可以使用 CHD.GATA6 GATA6 是一个数字.在MIB1中,MIB1是MIB1.在NOTCH1中,这就是VSD VSD.遗传相互作用 遗传相互作用

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相关实验视频

Last Updated: Jun 19, 2025

Light-sheet Fluorescence Microscopy to Capture 4-Dimensional Images of the Effects of Modulating Shear Stress on the Developing Zebrafish Heart
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Light-sheet Fluorescence Microscopy to Capture 4-Dimensional Images of the Effects of Modulating Shear Stress on the Developing Zebrafish Heart

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科学领域:

  • 心血管生物学 心血管生物学
  • 发展生物学 发展生物学
  • 遗传学 遗传学 是一个

背景情况:

  • 全基因组关联研究和小鼠模型表明MIB1和GATA6与先天性心脏病 (CHD) 有关.
  • MIB1和GATA6基因在物理上接近并共享保存合成,这表明它们在心脏发育中的相关作用.
  • 之前的研究将MIB1和NOTCH1与双主动脉 (BAV) 和心室隔膜缺陷 (VSD) 的共同途径联系起来.

研究的目的:

  • 调查MIB1和GATA6在心脏门和心脏膜的发展中的相互作用.
  • 为了确定MIB1是否调节GATA6相关的心脏缺陷.
  • 阐明MIB1,NOTCH1和GATA6在心脏发育中的功能关系.

主要方法:

  • 产生具有Mib1和Gata6突变的复合异构细胞小鼠.
  • 心脏缺陷的表型分析,包括BAV和VSD.
  • 转录组和功能分析,以评估途径的参与,特别是表皮细胞到介质细胞转换 (EMT).

主要成果:

  • 结合Mib1突变与Gata6异性无基因突变,对一些Mib1变种的Gata6单基因突变表型没有影响.
  • 一个特定的Mib1突变抑制了Gata6异构成体中的BAV和VSD发病率的50%,这表明它具有抑制作用.
  • 转录基因数据显示,Mib1变异丰富了EMT通路,而Gata6突变体中已经耗尽了EMT通路,支持了表型抑制.
  • 结合的Notch1和Gata6不足导致VSD,但不是BAV,突出显示复杂的基因相互作用.

结论:

  • MIB1和GATA6在膜和隔膜发育中相互作用,MIB1对GATA6相关的心脏缺陷表现出抑制作用.
  • 这种相互作用涉及表皮细胞到介质细胞转换 (EMT) 途径的调节.
  • MIB1,NOTCH1和GATA6的独特作用强调了先天性心脏病中遗传调节的复杂性.