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Critical Developmental Stages for the Efficiency of Somatic Cell Nuclear Transfer in Zebrafish
Luo, Da-Ji; Hu, Wei; Chen, Shang-Ping; Zhu, Zuo-Yan; Hu, W, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; huwei@ihb.ac.cn
2011
Source PublicationINTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES
ISSN1449-2288
Volume7Issue:4Pages:476-486
AbstractSomatic cell nuclear transfer (SCNT) has been performed extensively in fish since the 1960s with a generally low efficiency of approximately 1%. Little is known about somatic nuclear reprogramming in fish. Here, we utilized the zebrafish as a model to study reprogramming events of nuclei from tail, liver and kidney cells by SCNT. We produced a total of 4,796 reconstituted embryos and obtained a high survival rate of 58.9-67.4% initially at the 8-cell stage. The survival rate exhibited two steps of dramatic decrease, leading to 8.7-13.9% at the dome stage and to 1.5-2.96% by the shield stage. Concurrently, we observed that SCNT embryos displayed apparently delayed development also at the two stages, namely the dome stage (1:30 +/- 0:40) and the shield stage (2:50 +/- 0:50), indicating that the dome and shield stage are critical for the SCNT efficiency. Interestingly, we also revealed that an apparent alteration in klf4 and mycb expression occurred at the dome stage in SCNT embryos from all the three donor cell sources. Taken together, these results suggest that the dome stage is critical for the SCNT efficiency, and that alternated gene expression appears to be common to SCNT embryos independently of the donor cell types, suggesting that balanced mycb and klf4 expression at this stage is important for proper reprogramming of somatic nuclei in zebrafish SCNT embryos. Although the significant alteration in klf4 and mycb expression was not identified at the shield stage between ZD and SCNT embryos, the importance of reprogramming processes at the shield stage should not be underestimated in zebrafish SCNT embryos.
KeywordScnt Reprogramming Dome Stage Shield Stage Klf4 And Mycb
Department[Luo, Da-Ji; Hu, Wei; Chen, Shang-Ping; Zhu, Zuo-Yan] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Luo, Da-Ji] Wuhan Univ, Sch Basic Med Sci, Wuhan 430072, Peoples R China
Subject AreaBiochemistry & Molecular Biology ; Biology
Funding OrganizationNational Natural Science Foundation of China [30900853]; Specialized Research Fund for the Doctoral Program of Higher Education of China [20090141120015]; China Postdoctoral Science Foundation [201003505] ; National Natural Science Foundation of China [30900853]; Specialized Research Fund for the Doctoral Program of Higher Education of China [20090141120015]; China Postdoctoral Science Foundation [201003505] ; National Natural Science Foundation of China [30900853]; Specialized Research Fund for the Doctoral Program of Higher Education of China [20090141120015]; China Postdoctoral Science Foundation [201003505] ; National Natural Science Foundation of China [30900853]; Specialized Research Fund for the Doctoral Program of Higher Education of China [20090141120015]; China Postdoctoral Science Foundation [201003505]
Indexed BySCI
Language英语
WOS IDWOS:000289849400011
Funding OrganizationNational Natural Science Foundation of China [30900853]; Specialized Research Fund for the Doctoral Program of Higher Education of China [20090141120015]; China Postdoctoral Science Foundation [201003505] ; National Natural Science Foundation of China [30900853]; Specialized Research Fund for the Doctoral Program of Higher Education of China [20090141120015]; China Postdoctoral Science Foundation [201003505] ; National Natural Science Foundation of China [30900853]; Specialized Research Fund for the Doctoral Program of Higher Education of China [20090141120015]; China Postdoctoral Science Foundation [201003505] ; National Natural Science Foundation of China [30900853]; Specialized Research Fund for the Doctoral Program of Higher Education of China [20090141120015]; China Postdoctoral Science Foundation [201003505]
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Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/15622
Collection鱼类生物学及渔业生物技术研究中心_期刊论文
Corresponding AuthorHu, W, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; huwei@ihb.ac.cn
Recommended Citation
GB/T 7714
Luo, Da-Ji,Hu, Wei,Chen, Shang-Ping,et al. Critical Developmental Stages for the Efficiency of Somatic Cell Nuclear Transfer in Zebrafish[J]. INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES,2011,7(4):476-486.
APA Luo, Da-Ji,Hu, Wei,Chen, Shang-Ping,Zhu, Zuo-Yan,Hu, W, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China,&huwei@ihb.ac.cn.(2011).Critical Developmental Stages for the Efficiency of Somatic Cell Nuclear Transfer in Zebrafish.INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES,7(4),476-486.
MLA Luo, Da-Ji,et al."Critical Developmental Stages for the Efficiency of Somatic Cell Nuclear Transfer in Zebrafish".INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES 7.4(2011):476-486.
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