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The influence of retinoic acid and retinoic acid derivatives on Beta2 integrins and L-selectin expression in HL-60 cells in vitro
Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Dermatology.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Molecular and Clinical Medicine, Medical Microbiology.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Molecular and Clinical Medicine, Medical Microbiology.
2000 (English)In: Inflammation, ISSN 0360-3997, Vol. 24, no 1, 21-32 p.Article in journal (Refereed) Published
Abstract [en]

A decreased expression of the ▀2-integrin CD11b molecules on peripheral neutrophils from patients with pustular psoriasis occurred during treatment with retinoid compounds. Since this effect could not be mimicked in vitro with isolated peripheral neutrophils, the effect of retinoid compounds on cell differentiation was investigated. The promyelocytic cell line, HL60, was used to study what effect different retinoid compounds had on the cell surface expression of CD11b and L-selectin (CD62L) molecules, complement- mediated phagocytosis, adhesion and the oxidative burst. Retinoid- differentiated cells showed a significantly lower expression of CD11b and CD62L, and a decreased phagocytosis and oxidative burst compared to DMSO- differentiated HL60 cells or peripheral blood neutrophils. The diminished expression of ▀2-integrins or L-selectin did not affect their adhesion to non-activated or lipopolysaccharide-activated endothelial cells in vitro but may however affect adhesion to vascular endothelium under shear forces during blood flow. These results suggest that retinoid treatment could affect several early steps in the inflammatory process.

Place, publisher, year, edition, pages
2000. Vol. 24, no 1, 21-32 p.
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Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-25363DOI: 10.1023/A:1006983824890Local ID: 9806OAI: oai:DiVA.org:liu-25363DiVA: diva2:245692
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2011-01-14

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Sjögren, FlorenceStendahl, Olle

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