pubmed-article:15809349 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:15809349 | lifeskim:mentions | umls-concept:C0007634 | lld:lifeskim |
pubmed-article:15809349 | lifeskim:mentions | umls-concept:C0524914 | lld:lifeskim |
pubmed-article:15809349 | lifeskim:mentions | umls-concept:C0271510 | lld:lifeskim |
pubmed-article:15809349 | lifeskim:mentions | umls-concept:C1416467 | lld:lifeskim |
pubmed-article:15809349 | lifeskim:mentions | umls-concept:C1413190 | lld:lifeskim |
pubmed-article:15809349 | lifeskim:mentions | umls-concept:C1422405 | lld:lifeskim |
pubmed-article:15809349 | lifeskim:mentions | umls-concept:C1422515 | lld:lifeskim |
pubmed-article:15809349 | lifeskim:mentions | umls-concept:C0887937 | lld:lifeskim |
pubmed-article:15809349 | lifeskim:mentions | umls-concept:C0220905 | lld:lifeskim |
pubmed-article:15809349 | lifeskim:mentions | umls-concept:C0086597 | lld:lifeskim |
pubmed-article:15809349 | pubmed:issue | 7 | lld:pubmed |
pubmed-article:15809349 | pubmed:dateCreated | 2005-4-5 | lld:pubmed |
pubmed-article:15809349 | pubmed:abstractText | Although certain chemokines and their receptors guide homeostatic recirculation of T cells and others promote recruitment of activated T cells to inflammatory sites, little is known of the mechanisms underlying a third function, migration of Foxp3(+) regulatory T (T reg) cells to sites where they maintain unresponsiveness. We studied how T reg cells are recruited to cardiac allografts in recipients tolerized with CD154 monoclonal antibody (mAb) plus donor-specific transfusion (DST). Real-time polymerase chain reaction showed that intragraft Foxp3 levels in tolerized recipients were approximately 100-fold higher than rejecting allografts or allografts associated with other therapies inducing prolonged survival but not tolerance. Foxp3(+) cells were essential for tolerance because pretransplant thymectomy or peritransplant depletion of CD25(+) cells prevented long-term survival, as did CD25 mAb therapy in well-functioning allografts after CD154/DST therapy. Analysis of multiple chemokine pathways showed that tolerance was accompanied by intragraft up-regulation of CCR4 and one of its ligands, macrophage-derived chemokine (CCL22), and that tolerance induction could not be achieved in CCR4(-/-) recipients. We conclude that Foxp3 expression is specifically up-regulated within allografts of mice displaying donor-specific tolerance, that recruitment of Foxp3-expressing T reg cells to an allograft tissue is dependent on the chemokine receptor, CCR4, and that, in the absence of such recruitment, tolerizing strategies such as CD154 mAb therapy are ineffectual. | lld:pubmed |
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pubmed-article:15809349 | pubmed:language | eng | lld:pubmed |
pubmed-article:15809349 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:15809349 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:15809349 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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pubmed-article:15809349 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:15809349 | pubmed:month | Apr | lld:pubmed |
pubmed-article:15809349 | pubmed:issn | 0022-1007 | lld:pubmed |
pubmed-article:15809349 | pubmed:author | pubmed-author:HancockWayne... | lld:pubmed |
pubmed-article:15809349 | pubmed:author | pubmed-author:WellsAndrew... | lld:pubmed |
pubmed-article:15809349 | pubmed:author | pubmed-author:DorfMartin... | lld:pubmed |
pubmed-article:15809349 | pubmed:author | pubmed-author:WangLiqingL | lld:pubmed |
pubmed-article:15809349 | pubmed:author | pubmed-author:LeeIrisI | lld:pubmed |
pubmed-article:15809349 | pubmed:author | pubmed-author:OzkaynakEngin... | lld:pubmed |
pubmed-article:15809349 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:15809349 | pubmed:day | 4 | lld:pubmed |
pubmed-article:15809349 | pubmed:volume | 201 | lld:pubmed |
pubmed-article:15809349 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:15809349 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:15809349 | pubmed:pagination | 1037-44 | lld:pubmed |
pubmed-article:15809349 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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pubmed-article:15809349 | pubmed:year | 2005 | lld:pubmed |
pubmed-article:15809349 | pubmed:articleTitle | Recruitment of Foxp3+ T regulatory cells mediating allograft tolerance depends on the CCR4 chemokine receptor. | lld:pubmed |
pubmed-article:15809349 | pubmed:affiliation | Department of Pathology and Laboratory Medicine, Joseph Stokes Jr. Research Institute and Biesecker Pediatric Liver Center, The Children's Hospital of Philadelphia and University of Pennsylvania, Philadelphia, PA 19104, USA. | lld:pubmed |
pubmed-article:15809349 | pubmed:publicationType | Journal Article | lld:pubmed |
pubmed-article:15809349 | pubmed:publicationType | Comparative Study | lld:pubmed |
pubmed-article:15809349 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
pubmed-article:15809349 | pubmed:publicationType | Research Support, N.I.H., Extramural | lld:pubmed |