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IL-17 Stimulates Migration of Carotid Artery Vascular Smooth Muscle Cells in an MMP-9 Dependent Manner via p38 MAPK and ERK1/2-Dependent NF-κB and AP-1 Activation

  • Gao ChengEmail author
  • Liu Wei
  • Wang Xiurong
  • Liu Xiangzhen
  • Zhao Shiguang
  • Fu Songbin
Original Paper

Abstract

Inappropriate vascular remodeling is thought to be the main cause of restenosis following angioplasty. Migration of vascular smooth muscle cells (VSMC) into lumina, which is promoted by degradation of the extracellular matrix by matrix metalloproteinases (MMPs) plays a causal role in pathological vascular remodeling. The aim of the present research is to explore the effects of a novel cytokine, IL-17, on migration of VSMC and MMP-9 secretion. Carotid artery VSMC was isolated from Sprague–Dawley rats. Expression of MMP-9 and cell migration induced by IL-17 and its related signal pathway were detected. The results showed that IL-17-induced migration of VSMC in an MMP-9-dependent manner. IL-17-induced MMP-9 expression was via p38 MAPK and ERK1/2 dependent NF-κB and AP-1 activation. The present results demonstrated that IL-17 may play a role in vascular remodeling and targeting IL-17 or its specific downstream mediators is a potentially novel therapeutic pathway for attenuating the post-angioplastic restenosis.

Keywords

Vascular remodeling IL-17 MMP-9 Restenosis 

Notes

Acknowledgments

We would like to express our appreciations to Sun Zhidan for his excellent technical assistance and Li Wen for her revision of the draft. This research was sponsored partly by the Heilongjiang Youth Fund (QC07C100) and Special Fund of The First Affiliated Hospital of Harbin Medical University (2007035).

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Gao Cheng
    • 1
    Email author
  • Liu Wei
    • 2
  • Wang Xiurong
    • 3
  • Liu Xiangzhen
    • 1
  • Zhao Shiguang
    • 1
  • Fu Songbin
    • 4
  1. 1.Department of NeurosurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
  2. 2.Department of CardiologyThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
  3. 3.Harbin Veterinary Institute Key Laboratory of Ministry of Agriculture of ChinaHarbinChina
  4. 4.Department of GeneticsHarbin Medical UniversityHarbinChina

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