Source:http://linkedlifedata.com/resource/pubmed/id/21110974
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
24
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pubmed:dateCreated |
2010-12-7
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pubmed:abstractText |
TCR-microclusters (MC) are generated upon TCR stimulation prior to the immune synapse formation independently of lipid rafts. TCR-MCs contain receptors, kinases and adaptors, and function as the signaling unit for T cell activation. The TCR complex, but not the signaling molecules, is transported to the center to form cSMAC. The co-stimulation receptor CD28 joins the signaling region of cSMAC and recruits PKC? and Carma1. CTLA-4 accumulates in the same region and competes with CD28 for negative regulation of T cell activation. T cell activation is therefore mediated by two spatially distinct signaling compartments: TCR signaling by the peripheral TCR-MC and co-stimulation signal by the central signaling cSMAC.
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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 |
Dec
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pubmed:issn |
1873-3468
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pubmed:author | |
pubmed:copyrightInfo |
Copyright © 2010 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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pubmed:issnType |
Electronic
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pubmed:day |
15
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pubmed:volume |
584
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
4865-71
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pubmed:meshHeading | |
pubmed:year |
2010
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pubmed:articleTitle |
Dynamic regulation of T cell activation and co-stimulation through TCR-microclusters.
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pubmed:affiliation |
Laboratory for Cell Signaling, RIKEN Research Center for Allergy and Immunology, Tsurumi-ku, Yokohama, Japan. saito@rcai.riken.jp
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pubmed:publicationType |
Journal Article,
Review
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