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Erschienen in: Inflammation 5/2008

01.10.2008

Co-cultures of Human Coronary Smooth Muscle Cells and Dimethyl Sulfoxide-differentiated HL60 Cells Upregulate ProMMP9 Activity and Promote Mobility—Modulation By Reactive Oxygen Species

verfasst von: Yohann Bernard, Chantal Melchior, Eric Tschirhart, Jean-Luc Bueb

Erschienen in: Inflammation | Ausgabe 5/2008

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Abstract

Vascular cells and leukocytes, involved in the development of atherosclerosis, produce cytokines and/or reactive oxygen species (ROS) and matrix metalloproteinases (MMPs) implicated in cell mobility. We investigated by co-culture experiments the effects of human coronary smooth muscle cells (HCSMC) on MMPs characteristics and mobility of neutrophil-like dimethyl sulfoxide-differentiated HL60 cells (≠HL60). The effects of superoxide dismutase (SOD) and catalase were also analyzed. All the studied MMP2 characteristics remained unchanged. HCSMC stimulated MMP9 protein level, activity and mobility of ≠HL60 cells and expressed and secreted a variety of cytokines implicated in atherosclerosis. SOD and catalase increased MMP9 expression, protein level and activity of ≠HL60, but migration of ≠HL60 cells was only decreased by catalase, demonstrating that ROS are more efficient in modulating MMP9 activity of ≠HL60 than their mobility. Finally, HCSMC being able to stimulate ≠HL60, their co-cultures may represent an in vitro approach to study cellular interactions occurring in vivo during atherosclerosis.
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Metadaten
Titel
Co-cultures of Human Coronary Smooth Muscle Cells and Dimethyl Sulfoxide-differentiated HL60 Cells Upregulate ProMMP9 Activity and Promote Mobility—Modulation By Reactive Oxygen Species
verfasst von
Yohann Bernard
Chantal Melchior
Eric Tschirhart
Jean-Luc Bueb
Publikationsdatum
01.10.2008
Verlag
Springer US
Erschienen in
Inflammation / Ausgabe 5/2008
Print ISSN: 0360-3997
Elektronische ISSN: 1573-2576
DOI
https://doi.org/10.1007/s10753-008-9077-z

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