rdf:type |
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lifeskim:mentions |
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pubmed:issue |
2
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pubmed:dateCreated |
2002-2-5
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pubmed:abstractText |
CD22 is a B cell-specific member of the immunoglobulin superfamily and binds to sialic acid. CD22 inhibits B cell receptor signaling. Mice deficient for CD22 show a largely normal B cell development. Here, we have performed a detailed analysis of the splenic B cell population and found that the subset of marginal zone (MZ) B cells was selectively reduced in CD22-deficient mice. CD22-deficient mice showed a lack of TNP-ficoll capturing cells in the MZ and a reduced response to TNP-ficoll, particularly when the antigen was applied intravenously. CD22-deficient B cells showed both enhanced motility as well as enhanced chemotaxis to certain chemokines. The altered chemokine responsiveness or the higher signaling capacity of CD22-deficient B cells may lead to the compromised MZ B cell compartment, as both processes have previously been shown to affect MZ composition.
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Antigens, CD,
http://linkedlifedata.com/resource/pubmed/chemical/Antigens, CD22,
http://linkedlifedata.com/resource/pubmed/chemical/Antigens, Differentiation...,
http://linkedlifedata.com/resource/pubmed/chemical/Antigens, T-Independent,
http://linkedlifedata.com/resource/pubmed/chemical/Cd22 protein, mouse,
http://linkedlifedata.com/resource/pubmed/chemical/Cell Adhesion Molecules,
http://linkedlifedata.com/resource/pubmed/chemical/Ficoll,
http://linkedlifedata.com/resource/pubmed/chemical/Lectins,
http://linkedlifedata.com/resource/pubmed/chemical/TNP-ficoll,
http://linkedlifedata.com/resource/pubmed/chemical/Trinitrobenzenes
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pubmed:status |
MEDLINE
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pubmed:month |
Feb
|
pubmed:issn |
0014-2980
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pubmed:author |
|
pubmed:issnType |
Print
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pubmed:volume |
32
|
pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
561-7
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:11828373-Animals,
pubmed-meshheading:11828373-Antigens, CD,
pubmed-meshheading:11828373-Antigens, CD22,
pubmed-meshheading:11828373-Antigens, Differentiation, B-Lymphocyte,
pubmed-meshheading:11828373-Antigens, T-Independent,
pubmed-meshheading:11828373-B-Lymphocyte Subsets,
pubmed-meshheading:11828373-Cell Adhesion Molecules,
pubmed-meshheading:11828373-Cell Movement,
pubmed-meshheading:11828373-Ficoll,
pubmed-meshheading:11828373-Lectins,
pubmed-meshheading:11828373-Lymphocyte Count,
pubmed-meshheading:11828373-Mice,
pubmed-meshheading:11828373-Mice, Inbred C57BL,
pubmed-meshheading:11828373-Mice, Knockout,
pubmed-meshheading:11828373-Signal Transduction,
pubmed-meshheading:11828373-Spleen,
pubmed-meshheading:11828373-Trinitrobenzenes
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pubmed:year |
2002
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pubmed:articleTitle |
Reduction of marginal zone B cells in CD22-deficient mice.
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pubmed:affiliation |
Department of Physiological Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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