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Calb1-dgCre (DHFR-EGFP-Cre) 小鼠
复苏/繁育服务
产品名称:
Calb1-dgCre (DHFR-EGFP-Cre) 小鼠
产品编号:
C001747
品系背景:
C57BL/6JCya
表达组织/细胞举例:
海马体、纹状体、丘脑、中脑和小脑及Calb1阳性细胞
诱导型Cre工具鼠&荧光标记模型
* 使用本品系发表的文献需注明:Calb1-dgCre (DHFR-EGFP-Cre) 小鼠 mice (Catalog C001747) were purchased from Cyagen.
交付类型
周龄
性别
基因型
数量
品系描述
通过基因编辑技术将小鼠内源Calb1基因的终止密码子(TAG)替换为T2A-dgCre (DHFR-EGFP-Cre)基因表达元件,即在小鼠Calb1基因调控元件的驱动下表达Cre重组酶和EGFP荧光蛋白,且不会影响小鼠内源Calb1基因的表达。DHFR(二氢叶酸还原酶)片段源自大肠杆菌ecDHFR的N端159个氨基酸,被设计为不稳定结构域(DD)。当缺乏特定配体(如TMP)时,该片段会导致Cre重组酶被蛋白酶体快速降解。通过TMP等小分子调控DHFR-Cre的稳定性,可实现时间特异性的Cre重组酶活性诱导。除用于Cre重组酶介导的基因重组研究外,本模型还可实现EGFP荧光蛋白示踪研究。
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