心力衰竭大鼠脑脊液及血清瘦素改变的研究

【目的】检测心力衰竭大鼠血清、脑脊液瘦素水平及脑脊液／血清瘦素比值改变，对心衰大鼠的瘦素水平、瘦素抵抗及瘦素在血-脑脊液处的转运进行初步探讨。【方法】通过缩窄雄性Wistar大鼠腹主动脉制成心力衰竭模型。30只大鼠随机分成空白对照组、假手术对照组和心衰组。预实验应用超声心动图和血流动力学检测证实术后4个月大鼠已经出现明显心衰。术后4个月采集脑脊液、血清，ELISA法测定瘦素水平。【结果】心衰组的血清瘦素水平较假手术及空白对照组明显升高[（8．1±4．0）ng／mLvs（3．7±1．7）ng／mL，（3．1±1．4）ng／mL，P〈0．01]。3组脑脊液瘦素水平无显著差异。心衰组脑脊液／血清瘦素...

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Published inZhongshan da xue xue bao. Zhongshan daxue xuebao yixue kexue ban = Journal of Sun Yat-sen University. Yi xue ke xue ban Vol. 28
Main Authors 冷秀玉, 曾武涛, 熊艳, 陈国伟, 王礼春
Format Journal Article
LanguageChinese
Published Editorial Office of Journal of Sun Yat-sen University 01.01.2007
Subjects
心力衰竭
瘦素
瘦素抵抗
血-脑脊液转运
Online AccessGet full text
ISSN1672-3554
DOI10.3321/j.issn:1672-3554.2007.06.012

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Abstract 【目的】检测心力衰竭大鼠血清、脑脊液瘦素水平及脑脊液／血清瘦素比值改变，对心衰大鼠的瘦素水平、瘦素抵抗及瘦素在血-脑脊液处的转运进行初步探讨。【方法】通过缩窄雄性Wistar大鼠腹主动脉制成心力衰竭模型。30只大鼠随机分成空白对照组、假手术对照组和心衰组。预实验应用超声心动图和血流动力学检测证实术后4个月大鼠已经出现明显心衰。术后4个月采集脑脊液、血清，ELISA法测定瘦素水平。【结果】心衰组的血清瘦素水平较假手术及空白对照组明显升高[（8．1±4．0）ng／mLvs（3．7±1．7）ng／mL，（3．1±1．4）ng／mL，P〈0．01]。3组脑脊液瘦素水平无显著差异。心衰组脑脊液／血清瘦素比值较两对照组明显降低（10±7vs18±8,22±12。P〈0．01）。两对照组血清瘦素水平及脑脊液／血清瘦素比值无显著差异。对照组脑脊液瘦素与血清瘦素呈正相关（r=0．724，P〈0．05），心衰组两者相关性消失。【结论】心衰大鼠血清瘦素水平升高，脑脊液瘦素水平无显著改变，脑脊液／血清瘦素比值下降，脑脊液瘦素与血清瘦素相关性减弱。支持瘦素血-脑脊液饱和转运系统的存在，提示瘦素进入中枢系统的转运障碍是瘦素抵抗的一个重要原因。
AbstractList 【目的】检测心力衰竭大鼠血清、脑脊液瘦素水平及脑脊液／血清瘦素比值改变，对心衰大鼠的瘦素水平、瘦素抵抗及瘦素在血-脑脊液处的转运进行初步探讨。【方法】通过缩窄雄性Wistar大鼠腹主动脉制成心力衰竭模型。30只大鼠随机分成空白对照组、假手术对照组和心衰组。预实验应用超声心动图和血流动力学检测证实术后4个月大鼠已经出现明显心衰。术后4个月采集脑脊液、血清，ELISA法测定瘦素水平。【结果】心衰组的血清瘦素水平较假手术及空白对照组明显升高[（8．1±4．0）ng／mLvs（3．7±1．7）ng／mL，（3．1±1．4）ng／mL，P〈0．01]。3组脑脊液瘦素水平无显著差异。心衰组脑脊液／血清瘦素比值较两对照组明显降低（10±7vs18±8,22±12。P〈0．01）。两对照组血清瘦素水平及脑脊液／血清瘦素比值无显著差异。对照组脑脊液瘦素与血清瘦素呈正相关（r=0．724，P〈0．05），心衰组两者相关性消失。【结论】心衰大鼠血清瘦素水平升高，脑脊液瘦素水平无显著改变，脑脊液／血清瘦素比值下降，脑脊液瘦素与血清瘦素相关性减弱。支持瘦素血-脑脊液饱和转运系统的存在，提示瘦素进入中枢系统的转运障碍是瘦素抵抗的一个重要原因。
Author 冷秀玉
曾武涛
陈国伟
王礼春
熊艳
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PublicationTitle Zhongshan da xue xue bao. Zhongshan daxue xuebao yixue kexue ban = Journal of Sun Yat-sen University. Yi xue ke xue ban
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Snippet 【目的】检测心力衰竭大鼠血清、脑脊液瘦素水平及脑脊液／血清瘦素比值改变，对心衰大鼠的瘦素水平、瘦素抵抗及瘦素在血-脑脊液处的转运进行初步探讨。【方法】通过缩窄雄...
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SubjectTerms 心力衰竭
瘦素
瘦素抵抗
血-脑脊液转运
Title 心力衰竭大鼠脑脊液及血清瘦素改变的研究
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Volume 28
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