Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/27536
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Type: Journal article
Title: MHC II+ CD45+ cells from synovium-rich tissues of normal rats: phenotype, comparison with macrophage and dendritic cell lineages and differentiation into mature dendritic cells in vitro
Author: Moghaddami, M.
Cleland, L.
Mayrhofer, G.
Citation: International Immunology, 2005; 17(8):1103-1115
Publisher: Oxford Univ Press
Issue Date: 2005
ISSN: 0953-8178
1460-2377
Statement of
Responsibility: 
Mahin Moghaddami, Leslie G. Cleland and Graham Mayrhofer
Abstract: Synovial tissues are frequent sites of inflammatory disorders in which dendritic cells (DCs) may play an important role. This study examines potential antigen-presenting cells obtained from synovium-rich tissues (SRTs) by vascular perfusion of rat hind limbs with collagenase and further enzymatic digestion of the disarticulated hind paws in vitro. The three sub-populations of interest were: CD45+MHC IIhi, mainly CD11c+ and CD163¯; CD45+MHC II¹°, mainly CD11c¯ and CD163+ and CD45+MHC II¯, mainly CD11c¯ and CD163+. Expression of CD11c and CD163 correlated with ruffled cell-surface (CD11c+CD163¯) and highly vacuolated cytoplasm (CD11c¯CD163+), respectively. Culture of the CD45+CD163¯ sub-population in granulocyte macrophage colony-stimulating factor (GM-CSF) yielded CD45+MHC IIhi CD11c+CD163¯ cells with veiled morphology, while the large vacuolated cells that expressed CD163 resembled type A synoviocytes in both surface antigen phenotype and morphology. These results demonstrate that SRTs contain indeterminate cells that can differentiate into mature DCs in vitro in response to GM-CSF, plus mature synovial lining macrophages.
Keywords: animal model; antigen-presenting cells; cytokines; polyarthritis; synovial cells
Description: Copyright © 2005 Japanese Society for Immunology
RMID: 0020050775
DOI: 10.1093/intimm/dxh290
Published version: http://intimm.oxfordjournals.org/cgi/content/abstract/17/8/1103
Appears in Collections:Molecular and Biomedical Science publications

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