Fast Dynamic in vivo Monitoring of Erk Activity at Single Cell Resolution in DREKA Zebrafish.

Fast Dynamic in vivo Monitoring of Erk Activity at Single Cell Resolution in DREKA Zebrafish.
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DOI:
10.3389/fcell.2018.00111
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发表时间:
2018
影响因子:
5.5
通讯作者:
Distel M
Distel M
中科院分区:
生物学2区
文献类型:
--
作者:
Mayr V;Sturtzel C;Stadler M;Grissenberger S;Distel M

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对单细胞信号通路的精确调控是多细胞生物体组织发育、维持和修复的基础,但目前我们监测活的脊椎动物信号动力学的能力是有限的。我们利用KTR技术创造了DREKA(“ERK活性的动态报告”)斑马鱼,使人们能够在单细胞水平上以高时间分辨率观察体内的ERK活性。DREKA斑马鱼真实地报道了肌细胞损伤后ERK的活性,并揭示了小分子化合物摄取的动力学。我们的研究结果表明,该蛋白可进一步应用于斑马鱼的发育生物学、疾病模型和体内药理学研究。
Precise regulation of signaling pathways in single cells underlies tissue development, maintenance and repair in multicellular organisms, but our ability to monitor signaling dynamics in living vertebrates is currently limited. We implemented kinase translocation reporter (KTR) technology to create DREKA (“dynamic reporter of Erk activity”) zebrafish, which allow one to observe Erk activity in vivo at single cell level with high temporal resolution. DREKA zebrafish faithfully reported Erk activity after muscle cell wounding and revealed the kinetics of small compound uptake. Our results promise that kinase translocation reporters can be adapted for further applications in developmental biology, disease modeling, and in vivo pharmacology in zebrafish.
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