Source:http://linkedlifedata.com/resource/pubmed/id/12730692
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6
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pubmed:dateCreated |
2003-5-29
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pubmed:abstractText |
The cellular dynamics underlying activation of CD8+ T cells by dendritic cells (DCs) in the lymph node are not known. Here we have tracked the behavior of T cells and DCs by subjecting intact lymph nodes to real-time two-photon microscopy. We show that DCs scan at least 500 different T cells per hour in the absence of antigen. Antigen-bearing DCs are highly efficient in recruiting peptide-specific T cells and can engage more than ten T cells simultaneously. The duration of these interactions is of the order of hours, not minutes. The overall avidity of the interaction influences the probability that T cells will be stably captured by DCs, providing a possible basis for T cell competition. Taken together, our results identify the cellular behaviors that promote an efficient CD8+ T cell response in the lymph node.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
1529-2908
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
4
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
579-85
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:12730692-Animals,
pubmed-meshheading:12730692-Antigen Presentation,
pubmed-meshheading:12730692-CD8-Positive T-Lymphocytes,
pubmed-meshheading:12730692-Cell Movement,
pubmed-meshheading:12730692-Dendritic Cells,
pubmed-meshheading:12730692-Flow Cytometry,
pubmed-meshheading:12730692-Lymph Nodes,
pubmed-meshheading:12730692-Mice,
pubmed-meshheading:12730692-Mice, Inbred C57BL,
pubmed-meshheading:12730692-Mice, Knockout,
pubmed-meshheading:12730692-Microscopy, Confocal
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pubmed:year |
2003
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pubmed:articleTitle |
Dynamics of CD8+ T cell priming by dendritic cells in intact lymph nodes.
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pubmed:affiliation |
Department of Molecular and Cell Biology, University of California, Berkeley, California 94720, USA. bousso@pasteur.fr
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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