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The chemokine and scavenger receptor CXCL16/SR-PSOX is expressed in human vascular smooth muscle cells and is induced by interferon γ
University of Örebro, Sweden.
Karolinska Hospital, Stockholm, Sweden.
Örebro University Hospital, Sweden.
Örebro University Hospital, Sweden.
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2004 (English)In: Biochemical and Biophysical Research Communications - BBRC, ISSN 0006-291X, E-ISSN 1090-2104, Vol. 325, no 4, 1187-1193 p.Article in journal (Refereed) Published
Abstract [en]

Atherosclerosis is an inflammatory disease that is characterised by the involvement of chemokines that are important for the recruitment of leukocytes and scavenger receptors that mediate foam cell formation. Several cytokines are involved in the regulation of chemokines and scavenger receptors in atherosclerosis. CXCL16 is a chemokine and scavenger receptor and found in macrophages in human atherosclerotic lesions. Using double-labelled immunohistochemistry, we identified that smooth muscle cells in human lesions express CXCL16. We then analysed the effects of IFN-gamma, TNF-alpha, IL-12, IL-15, IL-18, and LPS on CXCL16 expression in cultured aortic smooth muscle cells. IFN-gamma was the most potent CXCL16 inducer and increased mRNA, soluble form, membrane form, and total cellular levels of CXCL16. The IFN-gamma induction of CXCL16 was also associated with increased uptake of oxLDL into these cells. Taken together, smooth muscle cells express CXCL16 in atherosclerotic lesions, which may play a role in the attraction of T cells to atherosclerotic lesions and contribute to the cellular internalisation of modified LDL. (C) 2004 Elsevier Inc. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2004. Vol. 325, no 4, 1187-1193 p.
Keyword [en]
CD36; IL-12; IL-18; LOX-1; LPS; oxidized LDL; TNF-alpha
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-100362DOI: 10.1016/j.bbrc.2004.10.160ISI: 000225557500010OAI: diva2:661598
Available from: 2013-11-04 Created: 2013-11-04 Last updated: 2013-11-14Bibliographically approved

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Wågsäter, Dick
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