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Front Pharmacol. 2016 Sep 21;7:322. doi: 10.3389/fphar.2016.00322. eCollection 2016.

Activation of Endothelial Pro-resolving Anti-Inflammatory Pathways by Circulating Microvesicles from Non-muscular Myosin Light Chain Kinase-Deficient Mice.

Frontiers in pharmacology

Abderahim Gaceb, Luisa Vergori, M C Martinez, Ramaroson Andriantsitohaina

Affiliations

  1. INSERM U1063, Université d'Angers Angers, France.
  2. INSERM U1063, Université d'AngersAngers, France; Centre Hospitalo-Universitaire d'AngersAngers, France.

PMID: 27708581 PMCID: PMC5030219 DOI: 10.3389/fphar.2016.00322

Abstract

Microvesicles, small membrane vesicles released from cells, have beneficial and/or deleterious effects in sepsis. We previously reported that non-muscle myosin light chain kinase (nmMLCK) deletion protects mice against endotoxic shock by reducing inflammation. Here, we have evaluated the consequences of nmMLCK deletion on microvesicle phenotypes and their effects on mouse aortic endothelial cells in association with vascular inflammation and endothelial dysfunction during endotoxic shock induced by lipopolysaccharide in mice. Treatment with lipopolysaccharide induced an increase in levels of circulating microvesicles in wild type but not in nmMLCK-deficient mice. Microvesicles from nmMLCK-deficient mice (MVs

Keywords: endothelial cells; extracellular vesicles; lipopolysaccharide; nmMLCK

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