Abstract：
:The aim of the present study was to evaluate the coexpression of very early (CD69), early (CD25) and late (HLADR) antigens and to analyse the mean fluorescence intensity (MFI) of such activation markers on synovial fluid (SF) and peripheral blood (PB) lymphocytes of patients affected by rheumatoid arthritis (RA) and other types of chronic synovitis (OCS). A three colour cytometric analysis was performed using a peridinin chlorophyll protein conjugated anti-CD3 antibody in combination with fluorescein isothiocyanate or phycoerythrin labelled anti-CD69, anti-HLADR, anti-CD25 monoclonal antibodies (mAbs). A T cell gating method was utilized, so that three sets of bivariant dot plot quadrant displays were obtained (CD69/HLADR, CD69/CD25, CD25/HLADR). A large percentage of SF T lymphocytes in RA showed the coexpression of very early and late activation antigens (CD3 + CD69 + HLADR +), whereas CD3 + CD69 + CD25 + bearing cells and CD3 + CD25 + HLADR + lymphocytes were only a small percentage. Similar results were obtained in patients with OCS, although to a lesser extent. No statistically significant differences in MFI of CD69 and HLADR positive SF T cells between RA and OCS were observed. The CD69 + CD25-HLADR + T cell subset is the most commonly represented in the synovial environment, among those we have evaluated; this phenotype may be characteristic of chronic inflammatory arthritis.
journal_name
Int J Exp Patholjournal_title
International journal of experimental pathologyauthors
Afeltra A,Galeazzi M,Sebastiani GD,Ferri GM,Caccavo D,Addessi MA,Marcolongo R,Bonomo Ldoi
10.1046/j.1365-2613.1997.290360.xsubject
Has Abstractpub_date
1997-10-01 00:00:00pages
331-6issue
5eissn
0959-9673issn
1365-2613journal_volume
78pub_type
杂志文章abstract：:The aim of this study was to evaluate the use of flaxseed in animals subjected to ethanol-induced hepatotoxicity. Twenty-four male rats were divided into four groups (n = 6): control group (CG) which received a control diet and water ad libitum; flaxseed group (FG) which received control diet with an addition of 25% f...
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journal_title：International journal of experimental pathology
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abstract：:Summary K-ras mutations are found in 40-50% of human colorectal adenomas and carcinomas, but their functional contribution remains incompletely understood. Here, we show that a conditional mutant K-ras mouse model (K-ras(Asp12)/Cre), with transient intestinal Cre activation by beta-Naphthoflavone (beta-NF) treatment, ...
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journal_title：International journal of experimental pathology
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journal_title：International journal of experimental pathology
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journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1992-08-01 00:00:00
