Induction of transplantation tolerance by combining non-myeloablative conditioning with delivery of alloantigen by T cells

The observation that bone marrow derived hematopoietic cells are potent inducers of tolerance has generated interest in trying to establish transplantation tolerance by inducing a state of hematopoietic chimerism through allogeneic bone marrow transplantation. However, this approach is associated wi...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 127(2008), 2 vom: 01. Mai, Seite 130-7
1. Verfasser: Tian, Chaorui (VerfasserIn)
Weitere Verfasser: Yuan, Xueli, Bagley, Jessamyn, Blazar, Bruce R, Sayegh, Mohamed H, Iacomini, John
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Immunosuppressive Agents Isoantigens Sirolimus W36ZG6FT64
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245 1 0 |a Induction of transplantation tolerance by combining non-myeloablative conditioning with delivery of alloantigen by T cells 
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500 |a CommentIn: Clin Immunol. 2008 May;127(2):121-2. - PMID 18405862 
500 |a Citation Status MEDLINE 
520 |a The observation that bone marrow derived hematopoietic cells are potent inducers of tolerance has generated interest in trying to establish transplantation tolerance by inducing a state of hematopoietic chimerism through allogeneic bone marrow transplantation. However, this approach is associated with serious complications that limit its utility for tolerance induction. Here we describe the development of a novel approach that allows for tolerance induction without the need for an allogeneic bone marrow transplant by combining non-myeloablative host conditioning with delivery of donor alloantigen by adoptively transferred T cells. CBA/Ca mice were administered 2.5 Gy whole body irradiation (WBI). The following day the mice received K(b) disparate T cells from MHC class I transgenic CBK donor mice, as well as rapamycin on days 0-13 and anti-CD40L monoclonal antibody on days 0-5, 8, 11 and 14 relative to T cell transfer. Mice treated using this approach were rendered specifically tolerant to CBK skin allografts through a mechanism involving central and peripheral deletion of alloreactive T cells. These data suggest robust tolerance can be established without the need for bone marrow transplantation using clinically relevant non-myeloablative conditioning combined with antigen delivery by T cells 
650 4 |a Journal Article 
650 4 |a Research Support, N.I.H., Extramural 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Isoantigens  |2 NLM 
650 7 |a Sirolimus  |2 NLM 
650 7 |a W36ZG6FT64  |2 NLM 
700 1 |a Yuan, Xueli  |e verfasserin  |4 aut 
700 1 |a Bagley, Jessamyn  |e verfasserin  |4 aut 
700 1 |a Blazar, Bruce R  |e verfasserin  |4 aut 
700 1 |a Sayegh, Mohamed H  |e verfasserin  |4 aut 
700 1 |a Iacomini, John  |e verfasserin  |4 aut 
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856 4 0 |u http://dx.doi.org/10.1016/j.clim.2008.01.005  |3 Volltext 
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