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  • WD Repeat Domain 1 Deficiency Inhibits Neointima Formation in Mice Carotid Artery by Modulation of Smooth Muscle Cell Migration and Proliferation.

WD Repeat Domain 1 Deficiency Inhibits Neointima Formation in Mice Carotid Artery by Modulation of Smooth Muscle Cell Migration and Proliferation.

Molecules and cells (2020-09-02)
JiSheng Hu, ShangJing Pi, MingRui Xiong, ZhongYing Liu, Xia Huang, Ran An, TongCun Zhang, BaiYin Yuan
ABSTRACT

The migration, dedifferentiation, and proliferation of vascular smooth muscle cells (VSMCs) are responsible for intimal hyperplasia, but the mechanism of this process has not been elucidated. WD repeat domain 1 (WDR1) promotes actin-depolymerizing factor (ADF)/cofilin-mediated depolymerization of actin filaments (F-actin). The role of WDR1 in neointima formation and progression is still unknown. A model of intimal thickening was constructed by ligating the left common carotid artery in Wdr1 deletion mice, and H&E staining showed that Wdr1 deficiency significantly inhibits neointima formation. We also report that STAT3 promotes the proliferation and migration of VSMCs by directly promoting WDR1 transcription. Mechanistically, we clarified that WDR1 promotes the proliferation and migration of VSMCs and neointima formation is regulated by the activation of the JAK2/STAT3/WDR1 axis.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
2,2,2-Tribromoethanol, 97%
Sigma-Aldrich
Interleukin-6 from mouse, IL-6, recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture, carrier free
Sigma-Aldrich
Tamoxifen, ≥99%