| CARP相互作用蛋白HTRM的表达谱分析及亚细胞定位 |
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| 引用本文： | 石毅,张震,陈敬洲,宋晓东,惠汝太.CARP相互作用蛋白HTRM的表达谱分析及亚细胞定位[J].中国分子心脏病学杂志,2008,8(2):63-66. |
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| 作者姓名： | 石毅 张震 陈敬洲 宋晓东 惠汝太 |
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| 作者单位： | 100037,北京,中国医学科学院,阜外心血管病医院,教育部心血管病基因与临床重点实验室,中德实验室 |
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| 基金项目： | 科技部国际科技合作项目，国家自然科学基金 |
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| 摘 要： | 目的观察CARP相互作用蛋白HTRM的组织表达谱和亚细胞定位及其对血管平滑肌细胞（VSMC）增殖的作用。方法我们利用CLONTECH公司的成人多组织膜，通过Northern杂交的方法，检测HTRM在心脏、脑、胎盘、肺、肝、骨骼肌、肾脏以及胰腺中的表达情况。将HTRM带上GFP标签转染HEK293S细胞，观察其亚细胞定位情况。再将HTRM及对照载体转染VSMC细胞，通过细胞计数以及MTr两种方法检测细胞的增殖情况。结果NorthernBlot实验显示HTRM有两个转录本，2．4kb的转录本主要在心脏和骨骼肌中表达，1．35kb的转录本主要在胎盘中表达；亚细胞定位显示HTRM是一个胞浆蛋白；高表达HTRM可以轻微的促进VSMC细胞增殖。
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| 关 键 词： | CARP HTRM VSMC |
Expression Analysis and Subcellular Localization of HTRM,a Association Protein of CARP |
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| SHI Yi,ZHANG Zhen,CHEN Jing-zhou,SONG Xiao-dong,HUI Ru-tai.Expression Analysis and Subcellular Localization of HTRM,a Association Protein of CARP[J].Molecular Cardiology of China,2008,8(2):63-66. |
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| Authors: | SHI Yi ZHANG Zhen CHEN Jing-zhou SONG Xiao-dong HUI Ru-tai |
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| Institution: | . (Key Laboratory for Clinical Cardiovascular Genetics, Ministry of Education ＆ Sino-German Laboratory for Molecular Medicine, Cardiovascular Institute ＆ FuWai Hospital, Chinese Academy of Medical Sciences ＆ Peking Union Medical College, 167 Beilishi Road, Beijing 100037, China) |
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| Abstract: | Objective To test the tissue distribution and subcellular localization of HTRM. Methods Northern blot was used to detect the tissue distribution of HTRM in heart, brain, placenta, lung, liver, skel- etal muscle, kidney and pancreas. HEK293S cells were transfected with pGFP-HTRM or control vector （pG- FP）, and fluorescence was performed with a confocal microscope. The influence of over-expression of HTRM on VSMC cell growth was also assayed by cell counting and MTT assay. Results HTRM was predominantly expressed in normal heart （2.4 kb）, skeletal muscle （2.4 kb）, and placenta （1.35 kb）. HTRMM was a cytoplasmic protein, and Over-expression of HTRM in VSMC could promote the cell proliferation shghtly. |
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| Keywords: | CARP HTRM VSMC |
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