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学科主题: Life Sciences & Biomedicine - Other Topics
题名: Defining Global Gene Expression Changes of the Hypothalamic-Pituitary-Gonadal Axis in Female sGnRH-Antisense Transgenic Common Carp (Cyprinus carpio)
作者: Xu, Jing1, 2; Huang, Wei1; Zhong, Chengrong1; Luo, Daji1; Li, Shuangfei1; Zhu, Zuoyan1; Hu, Wei1
通讯作者: Xu, J (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China ; huwei@ihb.ac.cn
关键词: GONADOTROPIN-RELEASING-HORMONE ; SUPPRESSION SUBTRACTIVE HYBRIDIZATION ; COMPLEMENTARY-DNA SUBTRACTION ; GOLDFISH CARASSIUS-AURATUS ; C-TYPE LECTIN ; MICROARRAY ANALYSIS ; FISH GONADOTROPINS ; OVARIAN-FUNCTION ; GROWTH-HORMONE ; 3 FORMS
刊名: PLOS ONE
发表日期: 2011-06-10
DOI: 10.1371/journal.pone.0021057
卷: 6, 期:6, 页:e21057
收录类别: SCI
文章类型: Article
部门归属: [Xu, Jing; Huang, Wei; Zhong, Chengrong; Luo, Daji; Li, Shuangfei; Zhu, Zuoyan; Hu, Wei] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China; [Xu, Jing] Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
WOS标题词: Science & Technology
资助者: Development Plan of the state Key Fundamental Research of China[2007CB109206]; National Natural Science Foundation[30930069]; Hubei Provincial Foundation for Distinguished Youth Scholar[2008ABB010]
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
摘要: Background: The hypothalamic-pituitary-gonadal (HPG) axis is critical in the development and regulation of reproduction in fish. The inhibition of neuropeptide gonadotropin-releasing hormone (GnRH) expression may diminish or severely hamper gonadal development due to it being the key regulator of the axis, and then provide a model for the comprehensive study of the expression patterns of genes with respect to the fish reproductive system. Methodology/Principal Findings: In a previous study we injected 342 fertilized eggs from the common carp (Cyprinus carpio) with a gene construct that expressed antisense sGnRH. Four years later, we found a total of 38 transgenic fish with abnormal or missing gonads. From this group we selected the 12 sterile females with abnormal ovaries in which we combined suppression subtractive hybridization (SSH) and cDNA microarray analysis to define changes in gene expression of the HPG axis in the present study. As a result, nine, 28, and 212 genes were separately identified as being differentially expressed in hypothalamus, pituitary, and ovary, of which 87 genes were novel. The number of down-and up-regulated genes was five and four (hypothalamus), 16 and 12 (pituitary), 119 and 93 (ovary), respectively. Functional analyses showed that these genes involved in several biological processes, such as biosynthesis, organogenesis, metabolism pathways, immune systems, transport links, and apoptosis. Within these categories, significant genes for neuropeptides, gonadotropins, metabolic, oogenesis and inflammatory factors were identified. Conclusions/Significance: This study indicated the progressive scaling-up effect of hypothalamic sGnRH antisense on the pituitary and ovary receptors of female carp and provided comprehensive data with respect to global changes in gene expression throughout the HPG signaling pathway, contributing towards improving our understanding of the molecular mechanisms and regulative pathways in the reproductive system of teleost fish.
英文摘要: Background: The hypothalamic-pituitary-gonadal (HPG) axis is critical in the development and regulation of reproduction in fish. The inhibition of neuropeptide gonadotropin-releasing hormone (GnRH) expression may diminish or severely hamper gonadal development due to it being the key regulator of the axis, and then provide a model for the comprehensive study of the expression patterns of genes with respect to the fish reproductive system.
关键词[WOS]: GONADOTROPIN-RELEASING-HORMONE ; SUPPRESSION SUBTRACTIVE HYBRIDIZATION ; COMPLEMENTARY-DNA SUBTRACTION ; GOLDFISH CARASSIUS-AURATUS ; C-TYPE LECTIN ; MICROARRAY ANALYSIS ; FISH GONADOTROPINS ; OVARIAN-FUNCTION ; GROWTH-HORMONE ; 3 FORMS
语种: 英语
WOS记录号: WOS:000291612600044
ISSN号: 1932-6203
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/16447
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China

Recommended Citation:
Xu, Jing; Huang, Wei; Zhong, Chengrong; Luo, Daji; Li, Shuangfei; Zhu, Zuoyan; Hu, Wei.Defining Global Gene Expression Changes of the Hypothalamic-Pituitary-Gonadal Axis in Female sGnRH-Antisense Transgenic Common Carp (Cyprinus carpio),PLOS ONE,2011,6(6):e21057
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文件名: Defining Global Gene Expression Changes of the Hypothalamic-Pituitary-Gonadal Axis in Female sGnRH-Antisense Transgenic Common Carp (Cyprinus carpio).pdf
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