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首页> 外文期刊>The international journal of developmental biology >Cystic fibrosis transmembrane conductance regulator (CFTR) regulates embryonic organizer formation during zebrafish early embryogenesis
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Cystic fibrosis transmembrane conductance regulator (CFTR) regulates embryonic organizer formation during zebrafish early embryogenesis

机译:囊性纤维化跨膜电导调节剂(CFTR)调节斑马鱼早期胚胎发生期间的胚胎组织者形成

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摘要

Cystic fibrosis (CF) is associated with the manifestation of a number of medical conditions throughout the body. This prompted us to investigate the etiology of CF from the viewpoint of the embryonic organizer, which is responsible for steering the movement of surrounding cells into specific organs and tissues. In our previous work, we found that a cftr mutant had decreased nuclear beta-catenin levels in the early embryo at 5 hours post-fertilization (hpf), when the organizer forms. It is known that nuclear beta-catenin signaling is essential for the induction of the dorsal organizer. Therefore, we explored the role of cftr in the formation of the embryonic organizer in this work. Indeed, the expression of organizer and germ layer markers was significantly affected in cftr mutant embryos dependent on Wnt/beta-catenin signaling. Furthermore, quantitative proteome analysis revealed that the cftr mutant induced significant alteration in the expression of proteins related to many critical biological processes, cellular components, molecular functions, and signaling pathways, except for the Wnt/beta-catenin pathway. These findings demonstrate the function of cftr in embryonic organizer formation and provide an explanation for why many abnormalities occur in the bodies of CF patients.
机译:囊性纤维化(CF)与全身许多疾病的表现有关。这促使我们从胚胎组织者的角度研究CF的病因,胚胎组织者负责引导周围细胞进入特定器官和组织。在我们之前的研究中,我们发现一个cftr突变体在受精后5小时(hpf)早期胚胎中的核β-连环蛋白水平降低,此时组织形成。众所周知,核β-连环蛋白信号对背侧组织者的诱导至关重要。因此,我们在这项工作中探索了cftr在胚胎组织者形成中的作用。事实上,在依赖Wnt/beta-catenin信号的cftr突变胚胎中,组织者和生殖层标记物的表达受到显著影响。此外,定量蛋白质组分析显示,除了Wnt/beta-catenin途径外,cftr突变体诱导了与许多关键生物过程、细胞成分、分子功能和信号通路相关的蛋白质表达的显著改变。这些发现证明了cftr在胚胎形成中的功能,并解释了为什么CF患者体内会出现许多异常。

著录项

  • 来源
  • 作者单位

    Sichuan Univ West China Second Univ Hosp Dept Obstet &

    Gynecol Prenatal Diag Ctr Chengdu Peoples R China;

    Sichuan Univ West China Second Univ Hosp Minist Educ Dept Pediat SCU CUHK Joint Lab Reprod Med Key Lab Birth Defec Chengdu 610041 Peoples R China;

    Sichuan Univ West China Second Univ Hosp Minist Educ Dept Pediat SCU CUHK Joint Lab Reprod Med Key Lab Birth Defec Chengdu 610041 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 普通胚胎学;
  • 关键词

    CFTR; organizer; early embryogenesis;

    机译:CFTR;组织者;早期胚胎发生;

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