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利用CRISPR/Cas9系统构建FGF21基因敲除小鼠模型
刘旭(),张平,张晓枫,李兴,白宇,贾克荣,郭晓东,张豪,马晓燕,仓明,刘东军,郭旭东
Construction of FGF21 knockout mouse models by the CRISPR/Cas9 system
Liu Xu(),Zhang Ping,Zhang Xiaofeng,Li Xing,Bai Yu,Jia Kerong,Guo Xiaodong,Zhang Hao,Ma Xiaoyan,Cang Ming,Liu Dongjun,Guo Xudong

图1. gRNA的鉴定及Cas9 mRNA和FGF21-gRNA的体外转录 A:gRNA PCR扩增产物电泳图。M:DL1000 marker; 1:gRNA 5′端(319 bp);2:gRNA 3′端(177 bp);3:gRNA(455 bp)。B:Surveyor酶检测FGF21敲除效率。M:100 bp marker;Mock:未处理的细胞;1、2、3、4分别为转染FGF21-gRNAN(N=1~4)后的结果;红色箭头代表切割的预期大小,表示基因发生突变。C:Cas9 mRNA和FGF21-gRNA体外转录结果。M:DL2000 marker;1~3:分别为FGF21-gRNA1、FGF21-gRNA2和Cas9 mRNA。

Fig. 1. Identification of gRNA and in vitro transcription of Cas9 mRNA and FGF21-gRNA