Distribution of circulating cells in systemic juvenile idiopathic arthritis across disease activity states

Copyright 2009 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 134(2010), 2 vom: 15. Feb., Seite 206-16
1. Verfasser: Macaubas, Claudia (VerfasserIn)
Weitere Verfasser: Nguyen, Khoa, Deshpande, Chetan, Phillips, Carolyn, Peck, Ariana, Lee, Tzielan, Park, Jane L, Sandborg, Christy, Mellins, Elizabeth D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't
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520 |a Juvenile idiopathic arthritis (JIA) encompasses a group of chronic childhood arthritides of unknown etiology. One subtype, systemic JIA (SJIA), is characterized by a combination of arthritis and systemic inflammation. Its systemic nature suggests that clues to SJIA pathogenesis may be found in examination of peripheral blood cells. To determine the immunophenotypic profiles of circulating mononuclear cells in SJIA patients with different degrees of disease activity, we studied PBMC from 31 SJIA patients, 20 polyarticular JIA patients (similar to adult rheumatoid arthritis), and 31 age-matched controls. During SJIA disease flare, blood monocyte numbers were increased, whereas levels of myeloid dendritic cells (DC) and gammadelta T cells were reduced. At both flare and quiescence, increased levels of CD14 and CD16 were found on SJIA monocytes. Levels of CD16-DC were elevated at SJIA quiescence compared both to healthy controls and to SJIA subjects with active disease. Overall, our findings suggest dysregulation of innate immunity in SJIA and raise the possibility that quiescence represents a state of compensated inflammation 
650 4 |a Journal Article 
650 4 |a Research Support, N.I.H., Extramural 
650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Nguyen, Khoa  |e verfasserin  |4 aut 
700 1 |a Deshpande, Chetan  |e verfasserin  |4 aut 
700 1 |a Phillips, Carolyn  |e verfasserin  |4 aut 
700 1 |a Peck, Ariana  |e verfasserin  |4 aut 
700 1 |a Lee, Tzielan  |e verfasserin  |4 aut 
700 1 |a Park, Jane L  |e verfasserin  |4 aut 
700 1 |a Sandborg, Christy  |e verfasserin  |4 aut 
700 1 |a Mellins, Elizabeth D  |e verfasserin  |4 aut 
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