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人分泌型内皮抑素质粒的构建及序列测定
引用本文:杨芳,何援利,姜孝玉,刘芸,彭冬先,宗利丽. 人分泌型内皮抑素质粒的构建及序列测定[J]. 医学研究生学报, 2005, 18(1): 11-13
作者姓名:杨芳  何援利  姜孝玉  刘芸  彭冬先  宗利丽
作者单位:1. 第一军医大学珠江医院妇产科,广东广州,510282
2. 中山大学生命科学院医药分子生物学实验室,广东广州,510275
基金项目:广东省科技厅科技计划项目 (批准号 :2 0 0 3B3 0 5 0 2 )
摘    要:
目的:旨在获得人内皮抑素(endostatin)分泌型基因片段。方法:合成含信号肽的上游引物,用聚合酶链反应技术克隆人分泌型内皮抑素基因,10g/L琼脂糖凝胶电泳后回收,将其重组入PGEM-T载体,双脱氧末端终止法测定其核苷酸序列。结果:经Genbank分析证实,所获得的645bp基因片段序列属于信号肽及人内皮抑素功能区段基因,翻译为蛋白质序列正确。结论:本研究为应用内皮抑素基因进行肿瘤的抗血管生成治疗奠定了基础。

关 键 词:内皮抑素  基因  聚合酶链反应
文章编号:1008-8199(2005)01-0011-02
修稿时间:2004-08-14

Construction and sequencing of plasmid containing human secretive endostatin
YANG Fang,HE Yuan-li,JIANG Xiao-yu,LIU Yun,PENG Dong-xian,ZONG Li-li. Construction and sequencing of plasmid containing human secretive endostatin[J]. Bulletin of Medical Postgraduate, 2005, 18(1): 11-13
Authors:YANG Fang  HE Yuan-li  JIANG Xiao-yu  LIU Yun  PENG Dong-xian  ZONG Li-li
Affiliation:YANG Fang1,HE Yuan-li1,JIANG Xiao-yu2,LIU Yun2,PENG Dong-xian1,ZONG Li-li1
Abstract:
Objective: To Procure gene fragment of secretive human endostatin. Methods: Synthesize the upper primer which contains the signal sequence, the gene of secretive human endostatin was cloned by PCR. After being identified by 10 g/L agarose gel electrophoresis, it was cloned into PGEM-T vector and sequenced according to dye primer sequencing kit. Results: Correct gene fragment of 645 bp was obtained and identified as functional section of signal and human endostatin gene by sequencing and Genbank analysis, the protein sequence was also correct. Conclusion: Experiment lays fundation for tumor antiangiogenesis therapy with endostatin gene.
Keywords:Endostatin  Gene  Polymerase chain reaction
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