The regulation of cytoskeletal dynamics in endothelial cells during acute inflammation

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In this research project, I examined the role of cytokine-induced kinase NUAK2 in endothelial cells. When NUAK2 was knocked down in endothelial cells, loss of actin stress fiber and decrease in phosphorylation of myosin light chain were observed. Furthermore, I identified several auto-phosphorylation sites in NUAK2, which involved in activation of its kinase. I injected antisense morpholino against NUAK2 into the zebrafish allowing live imaging of blood vessels, and they showed lethal phenotypes. These data suggest that NUAK2-MYPT1 axis involves in the regulation of cytoskeletal dynamics in vitro and in vivo.