降钙素基因相关肽转基因小鼠的建立及血压动态分析

被引:1
作者
鲍丹
董伟
张旭
刘宁
高珊
张海涛
高翔
葛文平
吕丹
机构
[1] 中国医学科学院医学实验动物研究所北京协和医学院比较医学中心卫生部人类疾病比较医学重点实验室国家中医药管理局人类疾病动物模型三级实验室
关键词
CGRP; 转基因; 外周血管阻力; 高血压抵抗;
D O I
暂无
中图分类号
R544.1 [高血压]; R-332 [医用实验动物学];
学科分类号
100201 [内科学]; 100402 [劳动卫生与环境卫生学];
摘要
目的建立降钙素基因相关肽α(calcitonin gene-related peptide,CGRPα)和β(CGRPβ)转基因小鼠,并对其血压进行动态对比分析,建立可用于高血压研究的动物模型。方法把人CGRPα和CGRPβ基因分别插入鸡β-肌动蛋白启动子下游,构建转基因表达载体,显微注射法建立C57BL/6J CGRPα和CGRPβ转基因小鼠,PCR鉴定转基因小鼠基因型。采用Western Blot鉴定CGRPα和CGRPβ在心脏、肺、肾脏和肝脏组织中的表达,筛选高表达转基因品系。用无创血压测量仪分析转基因小鼠动态血压变化。结果建立了在心脏、肺、肾脏和肝脏组织中均高表达CGRPα基因的CGRPα转基因小鼠;在肺和肝脏组织中高表达CGRPβ基因的CGRPβ转基因小鼠。CGRPα转基因小鼠血压正常,CGRPβ转基因小鼠在12月龄时表现出显著的血压降低。结论 CGRPα和CGRPβ转基因小鼠可作为用于CGRP对外周血管阻力和高血压抵抗机制研究的动物模型。
引用
收藏
页码:11 / 16
页数:6
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