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VIP基因在狮头鹅繁殖周期下丘脑-垂体-性腺轴中的表达变化
引用本文:张响英,卞有庆,唐现文,王利刚,刘新.VIP基因在狮头鹅繁殖周期下丘脑-垂体-性腺轴中的表达变化[J].河南农业科学,2013,42(3).
作者姓名:张响英  卞有庆  唐现文  王利刚  刘新
作者单位:1. 江苏畜牧兽医职业技术学院,江苏泰州,225300
2. 国家水禽种质资源基因库,江苏泰州,225300
基金项目:泰州市"311"工程资助项目,江苏畜牧兽医职业技术学院科研基金项目
摘    要:为了探索狮头鹅繁殖周期下丘脑-垂体-性腺轴中VIP mRNA的表达规律,选取产蛋期、就巢期、休产期狮头鹅母鹅各6只,采用荧光定量PCR方法分别测定了各时期下丘脑、垂体及卵巢VIP mRNA的表达水平。结果表明,狮头鹅就巢期血清催乳素(PRL)质量浓度为30ng/mL,明显高于产蛋期和休产期(P<0.01),下丘脑就巢期VIP mRNA的表达量较其他繁殖周期高(P<0.05),而垂体产蛋期VIP mRNA的表达量最高(P<0.01)。提示狮头鹅下丘脑-垂体-性腺轴中VIP mRNA的表达水平与PRL分泌密切相关,PRL是狮头鹅就巢行为维持和发展的关键激素。

关 键 词:狮头鹅  繁殖周期  催乳素  VIP  mRNA

Expression Profile of VIP Gene in Hypothalamus-Pituitary-Gonadal Axis during Reproduction Cycle in Shitou Goose
ZHANG Xiang-ying , BIAN You-qing , TANG Xian-wen , WANG Li-gang , LIU Xin.Expression Profile of VIP Gene in Hypothalamus-Pituitary-Gonadal Axis during Reproduction Cycle in Shitou Goose[J].Journal of Henan Agricultural Sciences,2013,42(3).
Authors:ZHANG Xiang-ying  BIAN You-qing  TANG Xian-wen  WANG Li-gang  LIU Xin
Abstract:To investigate the expression of VIP gene in the hypothalamus-pituitary-gonadal axis at different stages during the reproduction cycle in Shitou goose,the expression levels of VIP gene were tested by FQRT-PCR method in six female geese at stages of laying,incubation and laying cessation,respectively.The results showed that in incubation stage,the level of serum PRL was 30 ng/mL,higher than that of other stages(P<0.01).The expression of hypothalamus VIP in incubation was highest(P<0.05) while the pituitary VIP in laying stage was highest(P<0.01).Therefore,the expression level of VIP gene in the hypothalamus-pituitary-gonadal axi is highly associated with PRL secretion in Shitou goose,and PRL is the key hormone for incubation maintenance.
Keywords:Shitou goose  reproduction cycle  PRL  VIP mRNA
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