[1]韩鹏飞,陈雪利,张贵虎,等.类弹性蛋白多肽的原核表达与纯化[J].新乡医学院学报,2020,37(2):113-115.[doi:10.7683/xxyxyxb.2020.02.003]
 HAN Pengfei,CHEN Xueli,ZHANG Guihu,et al.Prokaryotic expression and purification of elastin-like polypeptides[J].Journal of Xinxiang Medical University,2020,37(2):113-115.[doi:10.7683/xxyxyxb.2020.02.003]
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类弹性蛋白多肽的原核表达与纯化
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《新乡医学院学报》[ISSN:1004-7239/CN:41-1186/R]

卷:
37
期数:
2020年2
页码:
113-115
栏目:
基础研究
出版日期:
2020-02-05

文章信息/Info

Title:
Prokaryotic expression and purification of elastin-like polypeptides
作者:
韩鹏飞1陈雪利1张贵虎2闫 梦1徐丹华1王小引1王天云1
(1.新乡医学院基础医学院河南省药物蛋白表达系统国家联合实验室,河南 新乡 453003;2.国网平顶山供电公司职工医院外科,河南 平顶山 467000)
Author(s):
HAN Pengfei1CHEN Xueli1ZHANG Guihu2YAN Meng1XU Danhua1WANG Xiaoyin1WANG Tianyun1
(1.International Joint Research Laboratory for Recombiant Pharmaceutical Protein Expression System,College of Basic Medicine,Xinxiang Medical University,Xinxiang 453003,Henan Province,China;2.Department of Surgery,Staff Hospital of State Grid Pingdingshan Power Supply Company,Pingdingshan 467000,Henan Province,China)
关键词:
类弹性蛋白多肽原核表达相变温度蛋白纯化
Keywords:
elastin-like polypeptidesprokaryoticexpressiontransition temperatureprotein purification
分类号:
R318;Q816
DOI:
10.7683/xxyxyxb.2020.02.003
文献标志码:
A
摘要:
目的 构建类弹性蛋白多肽(ELPs)的表达质粒并获得类弹性蛋白多肽。方法 构建含ELPs的原核表达载体,转化E.coli BL21感受态细胞,异丙基-β-D-硫代吡喃半乳糖苷诱导ELPs蛋白表达并对其进行纯化,聚丙烯酰胺凝胶电泳检测蛋白纯度。结果 成功构建pET-28a-ELPs原核表达载体,在相对分子质量55 000"处出现目的条带,与目的蛋白分子量大小一致,蛋白纯度为95%。结论 成功表达并纯化出ELPs蛋白,为ELPs在组织工程方面的应用奠定了基础。
Abstract:
Objective To construct a expression plasmid of recombinant protein elastin-like polypeptides (ELPs) and obtain ELPs.Methods The prokaryotic expression vector containing ELPs was constructed and was transformed E.coli BL21 competent cells.The expression of ELPs protein was induced by isopropyl-beta-D-thiogalactopyranoside,and the expressed ELPs protein were purified.The purity of protein was detected by polyacrylamide gel electrophoresis.Results The prokaryotic expression vector of pET-28a-ELPs was successfully constructed.The target band appeared at molecular weight of 55 000 and the molecular weight of the target band was the same as the target protein;the purity of the protein was 95%.Conclusions ELPs are successfully expressed and purified,which laid a foundation for the application of ELPs in tissue engineering.

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更新日期/Last Update: 2020-02-05