| http://purl.uniprot.org/citations/21704012 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/21704012 | http://www.w3.org/2000/01/rdf-schema#comment | "Although induction of CD8 T-cell responses to transplants requires CD4-cell help, how this help is transmitted remains incompletely characterized. In vitro, cognate interactions between CD4 T cells and dendritic cells (DCs) induce C3a and C5a production. CD8(+) T cells lacking C3a receptor (C3aR) and C5a receptor (C5aR) proliferate weakly to allogeneic DCs despite CD4 help, indicating that CD4-cell help is mediated, in part, through DC-derived C3a/C5a acting on CD8(+) T cell-expressed C3aR/C5aR. In support of this concept, augmenting DC C5a/C3a production bypasses the requirement for CD4- and CD40-dependent help to wild-type CD8(+) T cells. CD4-deficient recipients of allogeneic heart transplants prime weak CD8 responses and do not acutely reject their grafts. In contrast, CD4-deficient chimeric mice possessing decay accelerating factor deficient (Daf1(-/-)) bone marrow, in which DC C3a/C5a production is potentiated, acutely reject transplants through a CD8 cell-dependent mechanism. Furthermore, hearts transplanted into CD40(-/-) mice prime weak CD8-cell responses and survive indefinitely, but hearts transplanted into Daf1(-/-)CD40(-/-) recipients undergo CD8 cell-dependent rejection. Together, the data indicate that heightened production and activation of immune cell-derived complement bypasses the need for CD40/CD154 interactions and implicate antigen-presenting cell-produced C5a and C3a as molecular bridges linking CD4 help to CD8(+) T cells."xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.ajpath.2011.04.038"xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/author | "Yang M."xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/author | "Heeger P.S."xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/author | "Medof M.E."xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/author | "Kwan W.H."xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/author | "Strainic M.G."xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/author | "Leisman S."xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/author | "Raedler H."xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/author | "Vieyra M."xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/date | "2011"xsd:gYear |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/name | "Am J Pathol"xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/pages | "766-774"xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/title | "Complement regulates CD4 T-cell help to CD8 T cells required for murine allograft rejection."xsd:string |
| http://purl.uniprot.org/citations/21704012 | http://purl.uniprot.org/core/volume | "179"xsd:string |
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