Generation of FLAG-tagged Arx knock-in mouse model.
Generation of FLAG-tagged Arx knock-in mouse model.
复制标题
FLAG标记的Arx敲入小鼠模型的产生。
DOI:
10.1002/dvg.23479
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发表时间:
2022-07
期刊:
影响因子:
--
通讯作者:
中科院分区:
文献类型:
--
作者:
Aristaless-related homeobox (ARX) is a paired-like homeodomain transcription factor playing important roles in brain development. Patients with mutations in ARX have a spectrum of neurodevelopmental disorders such as epilepsy, intellectual disability, and autism spectrum disorder, with or without structural abnormalities of the brain such as lissencephaly (smooth brain), microcephaly (small brain), and/or agenesis of corpus callosum. Mouse models have provided important clues on the pathophysiologic roles of ARX in these disorders. However, successfully isolating specific in vivo complex of ARX, with DNA and proteins, has remained as a challenge. To facilitate in vivo detection of ARX complexes, we generated a mouse line containing one epitope of FLAG-tag (1 x FLAG) targeted at the translational start site of the endogenous Arx gene using CRSPR/Cas9 strategy. Homozygous Flag-Arx mice are viable and fertile without gross abnormality, suggesting that the FLAG-tag does not perturb normal function of ARX. Using a FLAG antibody, we successfully detected ARX with immunofluorescent staining and pulled down ARX in embryonic brain tissues. This Flag-Arx mouse model will be a useful tool to isolate ARX complexes from mouse tissues for many applications.
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发表时间:
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影响因子:
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