A Role for Polo-Like Kinase 4 in Vascular Fibroblast Cell-Type Transition.
A Role for Polo-Like Kinase 4 in Vascular Fibroblast Cell-Type Transition.
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DOI:
10.1016/j.jacbts.2020.12.015
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发表时间:
2021-03
期刊:
影响因子:
--
通讯作者:
Guo LW
中科院分区:
文献类型:
--
作者:
Li J;Urabe G;Huang Y;Zhang M;Wang B;Marcho L;Shen H;Kent KC;Guo LW
PLK4, previously known as a centriole-associated factor, regulates the transcription factor activity of serum response factor. PLK4 inhibition blocks the profibrogenic cell state transition of vascular fibroblasts. PLK4’s activation and gene expression are regulated by PDGF receptor and epigenetic reader BRD4, respectively. Periadventitial administration of a PLK4 inhibitor mitigates vascular fibrosis. Polo-like kinase 4 (PLK4) is canonically known for its cytoplasmic function in centriole duplication. Here we show a noncanonical PLK4 function of regulating the transcription factor SRF’s nuclear activity and associated myofibroblast-like cell-type transition. In this context, we have further found that PLK4’s phosphorylation and transcription are respectively regulated by PDGF receptor and epigenetic factor BRD4. Furthermore, in vivo experiments suggest PLK4 inhibition as a potential approach to mitigating vascular fibrosis.
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