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Synchronous activation of ERK 1/2, p38mapk and PKB/Akt signaling by H2O2 in vascular smooth muscle cells: Potential involvement in vascular disease (Review)

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Oxidative stress has been implicated in the pathogenesis of a host of vascular abnormalities such as atherosclerosis, hypertension and in restenosis followed by balloon angioplasty. However, the molecular mechanism by which oxidative stress causes these abnormalities remains poorly characterized. Recent studies have shown that exposure of vascular smooth muscle cells (VSMC) with H2O2, to mimic oxidative stress, activates components of growth promoting and proliferative signal transduction pathways. These components include mitogen-activated protein kinases (MAPKs) and protein kinase B (PKB/Akt), and are believed to be key players mediating growth, proliferation, hypertrophy, migration, survival and death of VSMC. We provide a brief overview of the effect of H2O2 on MAPKs and PKB/Akt signaling in VSMC in relation to their potential role in the pathogenesis of vascular diseases.
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Document Type: Research Article

Affiliations: Research Center, Centre hospitalier de l'Université de Montréal, Hôtel-Dieu, Canada

Publication date: January 1, 2003

More about this publication?
  • The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.

    The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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