Effect of cysteamine on growth-promoting hormone levels in serum and expression of the GH receptor gene in tissues of piglets
为研究半胱胺对仔猪血清促生长类激素水平及不同组织中生长激素受体(GHR)表达的影响,选取临床检查健康的90头新生"杜×长×大"三元杂交仔猪,平均体重为(4.56±0.18)kg,随机分成3组,每组30头。在14日龄,分别给对照组、试验Ⅰ组、Ⅱ组仔猪饲喂基础日粮、基础日粮+120 mg/kg半胱胺及基础日粮+200 mg/kg半胱胺。试验期31 d。在14、24、32和45日龄,从每组分别选取10头仔猪经前腔静脉采血,测定血清GH、SS、T3、T4和IGF-Ⅰ水平。在45日龄时,每组选6头仔猪,屠宰取样,采用反转录多聚酶链式反应(RT-PCR)方法,定量分析组织中GHR mR...
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| Published in | Journal of China Agricultural University Vol. 13; no. 4 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
01.08.2008
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| Subjects | |
| Online Access | Get more information |
| ISSN | 1007-4333 |
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| Abstract | 为研究半胱胺对仔猪血清促生长类激素水平及不同组织中生长激素受体(GHR)表达的影响,选取临床检查健康的90头新生"杜×长×大"三元杂交仔猪,平均体重为(4.56±0.18)kg,随机分成3组,每组30头。在14日龄,分别给对照组、试验Ⅰ组、Ⅱ组仔猪饲喂基础日粮、基础日粮+120 mg/kg半胱胺及基础日粮+200 mg/kg半胱胺。试验期31 d。在14、24、32和45日龄,从每组分别选取10头仔猪经前腔静脉采血,测定血清GH、SS、T3、T4和IGF-Ⅰ水平。在45日龄时,每组选6头仔猪,屠宰取样,采用反转录多聚酶链式反应(RT-PCR)方法,定量分析组织中GHR mRNA的相对丰度。结果表明,半胱胺可以显著提高血清中GH、T3、T4、IGF-Ⅰ水平,降低血清SS含量,增加肝脏、胸腺及脾脏组织GHR mRNA表达量。日粮中添加适量半胱胺能有效地提高仔猪血清促生长类激素水平及组织中生长激素受体的表达,缓解断奶应激。 |
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| AbstractList | 为研究半胱胺对仔猪血清促生长类激素水平及不同组织中生长激素受体(GHR)表达的影响,选取临床检查健康的90头新生"杜×长×大"三元杂交仔猪,平均体重为(4.56±0.18)kg,随机分成3组,每组30头。在14日龄,分别给对照组、试验Ⅰ组、Ⅱ组仔猪饲喂基础日粮、基础日粮+120 mg/kg半胱胺及基础日粮+200 mg/kg半胱胺。试验期31 d。在14、24、32和45日龄,从每组分别选取10头仔猪经前腔静脉采血,测定血清GH、SS、T3、T4和IGF-Ⅰ水平。在45日龄时,每组选6头仔猪,屠宰取样,采用反转录多聚酶链式反应(RT-PCR)方法,定量分析组织中GHR mRNA的相对丰度。结果表明,半胱胺可以显著提高血清中GH、T3、T4、IGF-Ⅰ水平,降低血清SS含量,增加肝脏、胸腺及脾脏组织GHR mRNA表达量。日粮中添加适量半胱胺能有效地提高仔猪血清促生长类激素水平及组织中生长激素受体的表达,缓解断奶应激。 |
| Author | Xu Xuesong Wang Xichun Li Ying |
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| Snippet | 为研究半胱胺对仔猪血清促生长类激素水平及不同组织中生长激素受体(GHR)表达的影响,选取临床检查健康的90头新生"杜×长×大"三元杂交仔猪,平均体重为(4.56±0.18)kg,随机分成3组,每组30头。在14日龄,分别给对照组、试验Ⅰ组、Ⅱ组仔猪饲喂基础日粮、基础日粮+120 mg/kg半胱胺及基础日粮+200... |
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| Title | Effect of cysteamine on growth-promoting hormone levels in serum and expression of the GH receptor gene in tissues of piglets |
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