The role of the ETS factor erg in zebrafish vasculogenesis.

The role of the ETS factor erg in zebrafish vasculogenesis.
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ETS 因子 erg 在斑马鱼血管发生中的作用。

DOI:
10.1016/j.mod.2008.11.001
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发表时间:
2009-03
影响因子:
2.6
通讯作者:
Lieschke, Graham J.
Lieschke, Graham J.
中科院分区:
生物学4区
文献类型:
--
作者:
Ellett, Felix;Kile, Benjamin T.;Lieschke, Graham J.

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Erg是ETS家族转录因子的一员,在内皮和造血发育中的先前研究中已经涉及。人ERG基因座的失调与急性髓性白血病、前列腺癌和尤文氏肉瘤有关。为了更好地了解Erg在早期发育过程中的作用,我们利用斑马鱼作为模型进行体内描述性和功能性研究。斑马鱼有一个单一的erg基因,在成血管细胞迁移、血管发生和早期血管生成过程中,在中胚层及其血管衍生物中表达。突变体和morphant表达分析将erg置于早期成血管细胞迁移期间钟形细胞、tal 1/scl和etsrp下游的遗传途径中。此外,结合功能获得和功能丧失的研究表明,erg在成血管细胞的规范/增殖和早期血管生成中具有冗余但特定的作用,并且与关键的ETS因子etsrp具有协同作用。
Erg, a member of the ETS family of transcription factors, has been implicated by previous studies in endothelial and haematopoietic development. Deregulation of the human ERG locus is associated with acute myeloid leukaemia, prostate cancer and Ewing's sarcoma. To better understand the role of Erg during early development, we utilised the zebrafish as a model amenable to descriptive and functional studies in vivo. Zebrafish have a single erg gene that is expressed in mesoderm and its vascular derivatives during angioblast migration, vasculogenesis and early angiogenesis. Mutant and morphant expression analyses placed erg in a genetic pathway downstream of cloche, tal1/scl and etsrp during early angioblast migration. Furthermore, a combination of gain-of-function and loss-of-function studies suggested a redundant yet specific role for erg in both angioblast specification/proliferation and early angiogenesis, and a synergistic interaction with the critical ETS factor etsrp.
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