rdf:type |
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lifeskim:mentions |
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pubmed:issue |
10
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pubmed:dateCreated |
2005-11-7
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pubmed:abstractText |
Individual CD1-restricted T cells can recognize either endogenous or foreign lipid Ags, but the extent to which the same CD1-restricted TCR can react to both self and microbial lipids is unknown. In this study, we have identified CD1a-, CD1b-, and CD1c-restricted T cells from normal human donors that induce cytolysis and secrete copious IFN-gamma in response to self-CD1 expressed on monocyte-derived dendritic cells. Remarkably, microbial Ags presented by CD1 are even more potent agonists for these same T cells. The alphabeta T cell receptors from such clones are diverse and confer specificity for both self-CD1 and foreign lipid Ags. The dual reactivity of these CD1-restricted cells suggests that the capacity for rapid responses to inflammatory stimuli without memory coexists with the capacity for strong Ag-specific responses and the generation of memory in vivo.
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pubmed:grant |
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
AIM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Antigens, CD1,
http://linkedlifedata.com/resource/pubmed/chemical/Autoantigens,
http://linkedlifedata.com/resource/pubmed/chemical/CD1C protein, human,
http://linkedlifedata.com/resource/pubmed/chemical/CD1a antigen,
http://linkedlifedata.com/resource/pubmed/chemical/CD1b antigen,
http://linkedlifedata.com/resource/pubmed/chemical/Cytokines,
http://linkedlifedata.com/resource/pubmed/chemical/Glycoproteins,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Antigen, T-Cell...
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pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
0022-1767
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pubmed:author |
|
pubmed:issnType |
Print
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pubmed:day |
15
|
pubmed:volume |
175
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
6344-51
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:16272286-Antigens, CD1,
pubmed-meshheading:16272286-Autoantigens,
pubmed-meshheading:16272286-Cytokines,
pubmed-meshheading:16272286-Dendritic Cells,
pubmed-meshheading:16272286-Glycoproteins,
pubmed-meshheading:16272286-HeLa Cells,
pubmed-meshheading:16272286-Humans,
pubmed-meshheading:16272286-Immunologic Memory,
pubmed-meshheading:16272286-Receptors, Antigen, T-Cell, alpha-beta,
pubmed-meshheading:16272286-Signal Transduction,
pubmed-meshheading:16272286-T-Lymphocytes,
pubmed-meshheading:16272286-Th1 Cells,
pubmed-meshheading:16272286-Th2 Cells,
pubmed-meshheading:16272286-Transfection
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pubmed:year |
2005
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pubmed:articleTitle |
CD1a-, b-, and c-restricted TCRs recognize both self and foreign antigens.
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pubmed:affiliation |
Division of Rheumatology, Immunology, and Allergy, Department of Medicine, Brigham & Women's Hospital and Harvard Medical School, Boston, MA 02115, USA. mvicent@amgen.com
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pubmed:publicationType |
Journal Article,
In Vitro,
Research Support, Non-U.S. Gov't,
Research Support, N.I.H., Extramural
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