TITLE

Early lymphocyte activation in the synovial microenvironment in patients with osteoarthritis: comparison with rheumatoid arthritis patients and healthy controls

AUTHOR(S)
Rollín, R.; Marco, F.; Jover, J. A.; García-Asenjo, J. A.; Rodríguez, L.; López-Durán, L.; Fernández-Gutiérrez, B.
PUB. DATE
June 2008
SOURCE
Rheumatology International;Jun2008, Vol. 28 Issue 8, p757
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Osteoarthritis (OA) is largely considered to be a non-inflammatory disease, although there is compelling evidence that subclinical inflammation is a common event, even in the absence of acute inflammatory flares. In this study we analyze, by means of CD5 and CD69 expression, the infiltration and early activation of CD5+cells, mostly lymphocytes, in both synovial membrane and synovial fluid from advanced OA patients and compare them with samples from patients with rheumatoid arthritis and healthy controls. The number of infiltrating CD5+ cells in both synovial membrane and synovial fluid from patients with advanced OA was significantly reduced as compared with rheumatoid arthritis patients. However, synovial membrane and synovial fluid CD5+ cells on OA exhibited a phenotype with evidence of recent activation comparable to that observed in RA.
ACCESSION #
31910491

 

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