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Successful induction of long-term specific tolerance to fully allogeneic renal allografts in miniature swine. 1992

C V Smith, and K Nakajima, and A Mixon, and P C Guzzetta, and B R Rosengard, and J M Fishbein, and D H Sachs
Transplantation Biology Section, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.

Major histocompatibility complex class II matching is of overwhelming importance for achieving tolerance to kidney transplants (KTX) in miniature swine. When class II antigens are matched, long-term specific tolerance across complete MHC class I antigen barriers can uniformly be induced by a 12-day perioperative course of cyclosporine. This same regimen is ineffective in fully MHC-mismatched combinations. We hypothesized that initial induction of tolerance to kidney donor class II antigens by bone marrow transplantation might allow tolerance to be induced to a subsequent fully allogeneic KTX in combination with CsA therapy. We report here the results of such fully allogeneic KTX performed in 4 recipients of prior single-haplotype class II-mismatched BMT. All animals received KTX from donors class II matched to the BMT donor and received a 12-day course of intravenous CsA (10 mg/kg/day). All four animals have maintained normal serum creatinine values (less than 2.0 mg/dl) for greater than 200 days posttransplant. Specific hyporesponsiveness to both BMT and KTX donor-type MHC antigens was found in mixed lymphocyte culture and cell-mediated lympholysis assays. Compared with third-party grafts, significantly prolonged survival of BMT donor-specific (P = 0.031) and KTX donor-specific (P = 0.031) skin grafts was observed. These results demonstrate that induction of tolerance to class II antigens by BMT allows a short course of CsA to induce specific tolerance to fully allogeneic renal allografts.

UI MeSH Term Description Entries
D007108 Immune Tolerance The specific failure of a normally responsive individual to make an immune response to a known antigen. It results from previous contact with the antigen by an immunologically immature individual (fetus or neonate) or by an adult exposed to extreme high-dose or low-dose antigen, or by exposure to radiation, antimetabolites, antilymphocytic serum, etc. Immunosuppression (Physiology),Immunosuppressions (Physiology),Tolerance, Immune
D007109 Immunity Nonsusceptibility to the invasive or pathogenic effects of foreign microorganisms or to the toxic effect of antigenic substances. Immune Process,Immune Response,Immune Processes,Immune Responses,Process, Immune,Response, Immune
D007959 Lymphocyte Culture Test, Mixed Measure of histocompatibility at the HL-A locus. Peripheral blood lymphocytes from two individuals are mixed together in tissue culture for several days. Lymphocytes from incompatible individuals will stimulate each other to proliferate significantly (measured by tritiated thymidine uptake) whereas those from compatible individuals will not. In the one-way MLC test, the lymphocytes from one of the individuals are inactivated (usually by treatment with MITOMYCIN or radiation) thereby allowing only the untreated remaining population of cells to proliferate in response to foreign histocompatibility antigens. Leukocyte Culture Test, Mixed,Mixed Lymphocyte Culture Test,Mixed Lymphocyte Reaction,Mixed Leukocyte Culture Test,Mixed Leukocyte Reaction,Leukocyte Reaction, Mixed,Leukocyte Reactions, Mixed,Lymphocyte Reaction, Mixed,Lymphocyte Reactions, Mixed,Mixed Leukocyte Reactions,Mixed Lymphocyte Reactions
D006085 Graft Survival The survival of a graft in a host, the factors responsible for the survival and the changes occurring within the graft during growth in the host. Graft Survivals,Survival, Graft,Survivals, Graft
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013552 Swine Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA). Phacochoerus,Pigs,Suidae,Warthogs,Wart Hogs,Hog, Wart,Hogs, Wart,Wart Hog
D013556 Swine, Miniature Genetically developed small pigs for use in biomedical research. There are several strains - Yucatan miniature, Sinclair miniature, and Minnesota miniature. Miniature Swine,Minipigs,Miniature Swines,Minipig,Swines, Miniature
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D014184 Transplantation, Homologous Transplantation between individuals of the same species. Usually refers to genetically disparate individuals in contradistinction to isogeneic transplantation for genetically identical individuals. Transplantation, Allogeneic,Allogeneic Grafting,Allogeneic Transplantation,Allografting,Homografting,Homologous Transplantation,Grafting, Allogeneic
D016026 Bone Marrow Transplantation The transference of BONE MARROW from one human or animal to another for a variety of purposes including HEMATOPOIETIC STEM CELL TRANSPLANTATION or MESENCHYMAL STEM CELL TRANSPLANTATION. Bone Marrow Cell Transplantation,Grafting, Bone Marrow,Transplantation, Bone Marrow,Transplantation, Bone Marrow Cell,Bone Marrow Grafting

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