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Adoptive immunotherapy against allogeneic kidney grafts in dogs with stable hematopoietic trichimerism.

Graves, Scott S and Hogan, William J and Kuhr, Christian and Diaconescu, Razvan and Harkey, Michael and Sale, George E and Stone, Brad and Georges, George E and Storb, Rainer (2008) Adoptive immunotherapy against allogeneic kidney grafts in dogs with stable hematopoietic trichimerism. Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation, 14 (11). pp. 1201-1208. ISSN 1523-6536

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Article URL: http://dx.doi.org/10.1016/j.bbmt.2008.08.005

Abstract

Dogs given nonmyeloablative conditioning and marrow grafts from 2 dog leukocyte antigen (DLA)-identical littermate donors developed stable trichimerism and stably accepted a subsequent kidney graft from one of the marrow donors without the need for immunosuppression. In this study, we used trichimeras to evaluate strategies for adoptive immunotherapy to solid tumors, using the kidney as a tumor surrogate. Three DLA-identical trichimeric recipients were established by simultaneously infusing marrow from 2 DLA-identical donor dogs into a DLA-identical recipient conditioned with 2 Gy of total body irradiation (TBI) and given a short course of postgraft immunosuppression. After stable hematopoietic engraftment was confirmed, a kidney was transplanted from 1 of the 2 marrow donors into each respective trichimeric recipient. Peripheral blood lymphocytes from each kidney donor were then used to sensitize the alternate marrow donor. The trichimeric recipients were given donor lymphocyte infusions (DLIs) from the sensitized dogs and monitored for chimerism, graft-versus-host disease (GVHD), and kidney rejection. After DLI, we observed both prompt rejection of the transplanted marrow and donor kidney and disappearance of corresponding hematopoietic chimerism. Presumably due to shared minor histocompatibility antigens, host chimerism also disappeared, and GVHD in skin, gut, and liver developed. The native kidneys, although exhibiting lymphocytic infiltration, remained functionally normal. This study demonstrates that under certain experimental conditions, the kidney--an organ ordinarily not involved in graft-versus-host reactions--can be targeted by sensitized donor lymphocytes.

Item Type: Article
Additional Information: This article is available to subscribers only via the URL above.
DOI: 10.1016/j.bbmt.2008.08.005
PubMed ID: 18940673
NIHMSID: NIHMS76260
PMCID: PMC2603466
Grant Numbers: CA078902, CA015704, DK056465
Keywords or MeSH Headings: Animals; Bone Marrow Transplantation; Dogs; Female; Graft Rejection/etiology/immunology; Graft Survival/immunology; Graft vs Host Disease/etiology/immunology; Histocompatibility Antigens Class I/immunology; Immunotherapy, Adoptive/adverse effects; Kidney Transplantation; Lymphocyte Transfusion/adverse effects; Male; Transplantation Chimera/immunology; Transplantation Conditioning; Transplantation, Homologous; Whole-Body Irradiation;
Subjects: Therapeutics > Biological Therapy > Immunotherapy
Therapeutics > Transplantation
Depositing User: Library Staff
Date Deposited: 21 Feb 2009 00:37
Last Modified: 14 Feb 2012 14:42
URI: http://authors.fhcrc.org/id/eprint/252

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