Source:http://linkedlifedata.com/resource/pubmed/id/17585360
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
10
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pubmed:dateCreated |
2007-9-17
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pubmed:abstractText |
B cells in patients with rheumatoid arthritis (RA) are hyperactivated. Although B cell receptor signal transduction may be affected by various response regulators, CD22 plays an important role as a response regulator of B cells. Therefore, we investigated and examined CD22 expression on peripheral blood B cells of patients with RA. Thirty-two RA patients and 16 controls were enrolled in this study, and CD22 expressions on B cells were analyzed by flow cytometry. In patients with RA, CD22(+) B cells significantly decreased in comparison to the controls (ratio: P < 0.05). However, there was no correlation between this decrease and the clinical data. Interestingly, CD5(+) CD22(-) B cells significantly increased in RA patients. The decrease in CD22(+) B cells and increased in CD5(+)CD22(-) B cells play critical roles in the pathogenesis of RA mediated by the activation of B cells.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0770-3198
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
26
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1721-3
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pubmed:meshHeading |
pubmed-meshheading:17585360-Adult,
pubmed-meshheading:17585360-Aged,
pubmed-meshheading:17585360-Aged, 80 and over,
pubmed-meshheading:17585360-Antigens, CD20,
pubmed-meshheading:17585360-Antigens, CD22,
pubmed-meshheading:17585360-Antigens, CD5,
pubmed-meshheading:17585360-Arthritis, Rheumatoid,
pubmed-meshheading:17585360-Autoimmunity,
pubmed-meshheading:17585360-B-Lymphocytes,
pubmed-meshheading:17585360-Female,
pubmed-meshheading:17585360-Humans,
pubmed-meshheading:17585360-Male,
pubmed-meshheading:17585360-Middle Aged,
pubmed-meshheading:17585360-Models, Statistical,
pubmed-meshheading:17585360-Rheumatoid Factor
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pubmed:year |
2007
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pubmed:articleTitle |
Expression of CD22 on peripheral B cells in patients with rheumatoid arthritis: relation to CD5-positive B cells.
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pubmed:affiliation |
Department of Rheumatology and Internal Medicine, Juntendo University, School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. mayuta@hkg.odn.ne.jp
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pubmed:publicationType |
Journal Article
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