首页> 中文期刊> 《中国临床医学》 >钙蛋白酶抑制蛋白基因过表达Balb/C小鼠的繁育及鉴定

钙蛋白酶抑制蛋白基因过表达Balb/C小鼠的繁育及鉴定

         

摘要

Objective: To establish breeding methods of calpastatin (CAST ) gene overexpression in genetic background of Balb/C mice , and to investigate the application value of alkaline lysis solution extracted genomic DNA in genotyping .Methods:The C57BL/6‐CAST+ /- male mice were hybridized with Balb/C wild type female mice .In the filial generations ,CAST+ /- heterozygous male mice were hybridized with Balb/C wild type female mice ,continuous hybridization until C57BL/6 genetic background was removed .The genomic DNA was extracted from mice tails ,and CAST gene fragment was amplified by PCR ,the results were identified by agarose gel electrophoresis .The Balb/C‐CAST -/- mice were infected with coxsakievirus(CVB3)to establish the mouse model of acute viral myocarditis .Results:The C57BL/6 genetic background can be removed by the method of C57BL/6‐CAST+ /- mice countinously hybridized with Balb/C wild type female mice for 10 generations .The alkaline lysis solution extracted genomic DNA amount ,purity can fulfill the needs of following experiments , and the sizes were accordance with target fragment .The Balb/C‐CAST -/- micemodel of acute viral myocarditis was succesfully established .Conclusions:The Balb/C‐CAST gene overexpression transgenic mice is establishes the foundation for following experiments ,the use of alkaline lysis solution to extract genomic DNA is easy ,effective ,which is worth for promotion .%目的:建立钙蛋白酶抑制蛋白(calpastatin ,CAST)基因过表达Balb/C小鼠的培育方法,并探讨碱性裂解液提取基因组DNA在子代鼠基因型鉴定中的价值。方法:将雄性C57BL/6‐CAST+/-转基因小鼠与雌性Balb/C野生型小鼠杂交,将雄性CAST+/-杂合子代小鼠与雌性Balb/C野生型子代小鼠杂交,连续杂交至消除C57BL/6小鼠遗传背景。取子代小鼠鼠尾组织,采用碱性裂解液提取基因组 DNA ,PCR法扩增 CAST 基因片段,琼脂糖凝胶电泳鉴定结果。采用柯萨奇B3病毒(CVB3)感染Balb/C‐CAST -/-小鼠以建立急性病毒性心肌炎小鼠模型。结果:C57BL/6‐CAST+/-转基因小鼠与雌性Balb/C野生型小鼠连续杂交10代可消除C57BL/6小鼠遗传背景。采用碱性裂解液提取的基因组DNA数量、纯度能够满足后续实验需要,且产物大小与目的片段一致。成功建立Balb/C‐CAST -/-基因型小鼠急性病毒性心肌炎模型。结论:成功建立Balb/C‐CAST基因过表达小鼠,为后续研究奠定了基础;碱性裂解液提取基因组DNA简便、高效,值得推广。

著录项

  • 来源
    《中国临床医学》 |2016年第4期|524-527|共4页
  • 作者单位

    复旦大学附属中山医院心内科;

    上海市心血管病研究所中心实验室;

    上海 200032;

    复旦大学附属中山医院心内科;

    上海市心血管病研究所中心实验室;

    上海 200032;

    复旦大学附属中山医院心内科;

    上海市心血管病研究所中心实验室;

    上海 200032;

    复旦大学附属中山医院心内科;

    上海市心血管病研究所中心实验室;

    上海 200032;

    复旦大学附属中山医院心内科;

    上海市心血管病研究所中心实验室;

    上海 200032;

    复旦大学附属中山医院心内科;

    上海市心血管病研究所中心实验室;

    上海 200032;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 心肌炎;
  • 关键词

    钙蛋白酶; 钙蛋白酶抑制蛋白; 柯萨奇B3病毒; 转基因; 基因型鉴定;

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