Celf1 is required for formation of endoderm-derived organs in zebrafish.

Celf1 is required for formation of endoderm-derived organs in zebrafish.
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DOI:
10.3390/ijms140918009
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发表时间:
2013-09-03
影响因子:
5.6
通讯作者:
Matsui T
Matsui T
中科院分区:
生物学2区
文献类型:
--
作者:
Tahara N;Bessho Y;Matsui T

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我们最近报道了一种称为Cugbp Elav-like家族成员1(Celf 1)的RNA结合蛋白调节斑马鱼的体节对称性和左右图案。在这份报告中,我们展示了Celf 1在斑马鱼器官发生中的其他作用。当使用反义吗啉代寡核苷酸(MO)敲除celf 1时,肝芽不能形成,胰腺芽不能形成簇,表明内胚层器官发生的早期缺陷。正如预期的那样,我们发现注射celf 1-MO的胚胎在原肠胚形成过程中内胚层细胞生长和迁移失败。RNA免疫沉淀显示,Celf 1结合gata 5和cdc 42 mRNA,这是已知的参与细胞生长和迁移,分别。因此,我们的研究结果表明,Celf 1通过调节这些目标的表达来调节内胚层衍生组织的适当器官发生。
We recently reported that an RNA binding protein called Cugbp Elav-like family member 1 (Celf1) regulates somite symmetry and left-right patterning in zebrafish. In this report, we show additional roles of Celf1 in zebrafish organogenesis. When celf1 is knocked down by using an antisense morpholino oligonucleotides (MO), liver buds fail to form, and pancreas buds do not form a cluster, suggesting earlier defects in endoderm organogenesis. As expected, we found failures in endoderm cell growth and migration during gastrulation in embryos injected with celf1-MOs. RNA immunoprecipitation revealed that Celf1 binds to gata5 and cdc42 mRNAs which are known to be involved in cell growth and migration, respectively. Our results therefore suggest that Celf1 regulates proper organogenesis of endoderm-derived tissues by regulating the expression of such targets.
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