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Chemerin induces endothelial cell inflammation: activation of nuclear factor-kappa beta and monocyte-endothelial adhesion
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Dimitriadis, Georgios K., Kaur, Jaspreet, Adya, Raghu, Miras, Alexander D., Mattu, Harman S., Hattersley, John G., Kaltsas, Gregory, Tan, Bee K. and Randeva, Harpal S. (2018) Chemerin induces endothelial cell inflammation: activation of nuclear factor-kappa beta and monocyte-endothelial adhesion. Oncotarget . (In Press)
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Abstract
Chemerin, a chemoattractant protein, acts via a G-protein coupled chemokine receptor, i.e. Chemokine like Receptor 1/ChemR23; levels of which are elevated in pro-inflammatory states such as obesity and type 2 diabetes mellitus (T2DM). Obesity and T2DM patients are at high risk of developing cardiovascular disorders such as atherosclerosis. We have reported that chemerin induces human endothelial cell angiogenesis and since dysregulated angiogenesis and endothelial dysfunction are hallmarks of vascular disease; we sought to determine the effects of chemerin on monocyte-endothelial adhesion, and nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), a critical pro-inflammatory transcription factor. Human endothelial cells were transfected with pNF-kappaB-Luc plasmid. Chemerin induced NF-κB activation via the MAPK and PI3K/Akt pathways. Western blot analyses and monocyte-endothelial adhesion assay showed that chemerin increased endothelial cell adhesion molecule expression and secretion, namely E-selectin (Endothelial Selectin), VCAM-1 (Vascular Cell Adhesion Molecule-1) and ICAM-1 (Intracellular Adhesion Molecule-1), leading to enhancement of monocyte-endothelial adhesion. Additionally, we showed a synergistic response of the pro-inflammatory mediator, Interleukin-1β with chemerin induced effects. Chemerin plays an important role in endothelial inflammation, as it induces monocyte-endothelial adhesion, a critical step in the development of atherosclerosis.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QP Physiology R Medicine > RB Pathology |
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| Divisions: | Faculty of Medicine > Warwick Medical School | |||||||||
| Library of Congress Subject Headings (LCSH): | Inflammation -- physiological aspects, Blood-vessels -- Diseases, Obesity, Non-insulin-dependent diabetes | |||||||||
| Journal or Publication Title: | Oncotarget | |||||||||
| Publisher: | Impact Journals LLC | |||||||||
| ISSN: | 1949-2553 | |||||||||
| Official Date: | 26 February 2018 | |||||||||
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| Date of first compliant deposit: | 21 March 2018 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | In Press | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| RIOXX Funder/Project Grant: |
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