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Suppression of zebrafish VEGF gene by cytomegalovirus promoter-driven short hairpin constructs induces vascular development defects and down regulation NRP1 expression
Yang, ShaoLi2; Yan, Song3; Qin, Song2; Lin, XiuKun1
2009-10-01
发表期刊BIOLOGIA
ISSN0006-3088
卷号64期号:5页码:1025-1031
文章类型Article
摘要The usage of RNA interference for gene knockdown in zebrafish through expression of the small interfering RNA mediators from DNA vectors has created a lot of excitement in the research community. In this work, the ability of human cytomegalovirus immediate early promoter (CMV promoter)-driven short hairpin RNA (shRNA) expression vector to induce shRNA against vascular endothelial growth factor (VEGF) gene in zebrafish was tested, and its effects on VEGF-mediated vasculogenesis and angiogenesis were evaluated. Altogether four vectors targeting various locations of VEGF gene were constructed, and pSI-V4 was proven to be the most effective one. Microinjection of pSI-V4 into the zebrafish embryos resulted in defective vascular formation and down regulation of VEGF expression. In situ hybridization analysis indicated that silencing VEGF gene expression by pSI-V4 resulted in down regulation of neuropilin-1 (NRP1), a potent VEGF receptor. Knockdown of VEGF expression by morpholino gave the same result. This provided evidence that the VEGF-mediated angiogenesis in zebrafish was in part dependent on NRP1 expression. The results contributed to a better understanding of molecular mechanisms of cardiovascular development and provided a potential promoter for making inducible knockdown in zebrafish.; The usage of RNA interference for gene knockdown in zebrafish through expression of the small interfering RNA mediators from DNA vectors has created a lot of excitement in the research community. In this work, the ability of human cytomegalovirus immediate early promoter (CMV promoter)-driven short hairpin RNA (shRNA) expression vector to induce shRNA against vascular endothelial growth factor (VEGF) gene in zebrafish was tested, and its effects on VEGF-mediated vasculogenesis and angiogenesis were evaluated. Altogether four vectors targeting various locations of VEGF gene were constructed, and pSI-V4 was proven to be the most effective one. Microinjection of pSI-V4 into the zebrafish embryos resulted in defective vascular formation and down regulation of VEGF expression. In situ hybridization analysis indicated that silencing VEGF gene expression by pSI-V4 resulted in down regulation of neuropilin-1 (NRP1), a potent VEGF receptor. Knockdown of VEGF expression by morpholino gave the same result. This provided evidence that the VEGF-mediated angiogenesis in zebrafish was in part dependent on NRP1 expression. The results contributed to a better understanding of molecular mechanisms of cardiovascular development and provided a potential promoter for making inducible knockdown in zebrafish.
关键词Cmv Promoter Neuropilin-1 Short-hairpin Rna Vegf Gene Zebrafish
学科领域Biology
DOI10.2478/s11756-009-0154-z
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000269947100031
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/3050
专题实验海洋生物学重点实验室
作者单位1.Chinese Acad Sci, Key Lab Marine Biol, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China
3.Dalian Jiaotong Univ, Coll Environm & Chem Engn, Dalian 116028, Peoples R China
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Yang, ShaoLi,Yan, Song,Qin, Song,et al. Suppression of zebrafish VEGF gene by cytomegalovirus promoter-driven short hairpin constructs induces vascular development defects and down regulation NRP1 expression[J]. BIOLOGIA,2009,64(5):1025-1031.
APA Yang, ShaoLi,Yan, Song,Qin, Song,&Lin, XiuKun.(2009).Suppression of zebrafish VEGF gene by cytomegalovirus promoter-driven short hairpin constructs induces vascular development defects and down regulation NRP1 expression.BIOLOGIA,64(5),1025-1031.
MLA Yang, ShaoLi,et al."Suppression of zebrafish VEGF gene by cytomegalovirus promoter-driven short hairpin constructs induces vascular development defects and down regulation NRP1 expression".BIOLOGIA 64.5(2009):1025-1031.
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