共查询到20条相似文献，搜索用时 15 毫秒
1.
G L Floersheim 《Science (New York, N.Y.)》1967,156(3777):951-954
Mice treated with methylhydrazine derivatives for 3 to 4 weeks before the transplantation showed markedly prolonged survival times for allogeneic skin grafts differing at the H-2 histocompatibility locus. Presumably permanent tolerance was induced in about 20 to 30 percent of the mice when the drug treatment was combined with a single injection of additional donor antigen. The tolerance persists without further drug treatment and is specific for donor tissue. 相似文献
2.
Adult mice subjected to thymectomy or sham thymectomy received lethal irradiation and subsequent protective infusion of syngeneic bone marrow. Thirty days later they received allogeneic and xenogeneic skin grafts. Donors of the xenogeneic grafts were rats. The thymectomized mice rejected the grafts of rat skin only slightly later than the controls did; in contrast, the time of retention of allogeneic grafts was significantly longer in the thymectomized mice. 相似文献
3.
Wang JW Howson JM Ghansah T Desponts C Ninos JM May SL Nguyen KH Toyama-Sorimachi N Kerr WG 《Science (New York, N.Y.)》2002,295(5562):2094-2097
Natural killer cell (NK) receptors for major histocompatibility complex (MHC) class I influence engraftment and graft-versus-tumor effects after allogeneic bone marrow transplantation. We find that SH2-containing inositol phosphatase (SHIP) influences the repertoire of NK receptors. In adult SHIP-/- mice, the NK compartment is dominated by cells that express two inhibitory receptors capable of binding either self or allogeneic MHC ligands. This promiscuous repertoire has significant functional consequences, because SHIP-/- mice fail to reject fully mismatched allogeneic marrow grafts and show enhanced survival after such transplants. Thus, SHIP plays an important role in two processes that limit the success of allogeneic marrow transplantation: graft rejection and graft-versus-host disease. 相似文献
4.
Suri A Calderon B Esparza TJ Frederick K Bittner P Unanue ER 《Science (New York, N.Y.)》2006,311(5768):1778-1780
Type 1 diabetes mellitus results from the autoimmune destruction of the beta cells of the pancreatic islets of Langerhans and is recapitulated in the nonobese diabetic strain of mice. In an attempt to rescue islet loss, diabetic mice were made normoglycemic by islet transplantation and immunization with Freund's complete adjuvant along with multiple injections of allogeneic male splenocytes. This treatment allowed for survival of transplanted islets and recovery of endogenous beta cell function in a proportion of mice, but with no evidence for allogeneic splenocyte-derived differentiation of new islet beta cells. Control of the autoimmune disease at a crucial time in diabetogenesis can result in recovery of beta cell function. 相似文献
5.
MU Yu-lian LIU Lan FENG Shu-tang WU Tian-wen LI Kui LI Jun-you HE Wei GAO Qian ZHOU Wen-fang WEI Jing-liang TANG Fang YANG Shu-lin WU Zhi-gu XIA Ying SUN Tong-zhu 《农业科学学报》2015,14(7):1376-1382
Skin grafting has been used as one of the most reliable tests to determine the genetic stability of laboratory animal such as mice and rats inbred line, but no identification of swine inbred lines by skin grafting has been reported. At present, Wuzhishan miniature pig(WZSP) inbred line has acquired the F24 individuals in China. In order to verify whether WZSP inbred line had been cultivated successfully, allogeneic skin grafts and related research were performed on F20 individuals of WZSP inbreeding population, compared with a control group of autologous transplantation. We observed the transplant recipients' wounds, detected peripheral blood-related indicators interleukin-2, 4 and 10, CD4+ and CD8+ lymphocytes, and conducted hematoxylin-eosin(HE) and Masson's staining of skin to judge whether the immune rejection reactions occurred within 28 days after transplantation. Chr. 7 genomic heterozygosity of 48 WZSP individuals from F20 to F22 was analyzed by high-density single nucleotide polymorphism(SNP) chips(60 000 SNPs). The result showed that there were no significant differences in graft skin, the plasma interleukin-2, 4, 10, CD4+ and CD8+, HE and Masson's staining results between the allograft and autograft groups, and no immune rejection occurred on the allograft group. We found that 11 genes in Chr. 7 of major histocompatibility complex(MHC) I and MHC II were homozygous which confirmed that immune antibody of the allograft and autograft groups were highly identical and also provided a theoretical basis to no immune rejection occurred on the allograft in the inbred WZSP. The result proved that the WZSP inbred line had been cultivated successfully for the first time in the world. The test methods also provide a scientific basis for the identification of swine and mammal inbred lines. 相似文献
6.
Tumor development after 3-methylcholanthrene in immunologically deficient athymic-nude mice 总被引：14，自引：0，他引：14
O Stutman 《Science (New York, N.Y.)》1974,183(124):534-536
Athymic-nude (nu/nu) mice and normal (nu/+) mice showed no differences in either latent period or incidence of local sarcomas or lung adenomas within 120 days after administration of 3-methylcholanthrene at birth. However, nu/nu mice were incapable of rejecting allogeneic skin grafts for the duration of the experiment. These results argue against an active role of thymus-dependent immunity as a surveillance mechanism preventing tumor development. 相似文献
7.
Lethally x-irradiated (C3H x DBA/2)F(1) mice were protected with syngeneic (isogenic) bone marrow and/ or prior treatment with urethan and skin grafted at various times after irradiation. The ability to reject a first-set xenogeneic (heterologous) skin graft with normal vigor returned within 92 days; the first-set response to allogeneic (homologous) grafts was still impaired 350 days after irradiation. 相似文献
8.
The growth of tumor isografts in inbred mice is inhibited by intra-peritoneal injections of syngeneic spleen incubated, in vitro, with ribonucleic acid extracted from guinea pigs immunized with the same mouse tumor. This inhibition is partially tumor-specific. Treatment with ribonuclease abolishes the response. 相似文献
9.
Ruggeri L Capanni M Urbani E Perruccio K Shlomchik WD Tosti A Posati S Rogaia D Frassoni F Aversa F Martelli MF Velardi A 《Science (New York, N.Y.)》2002,295(5562):2097-2100
T cells that accompany allogeneic hematopoietic grafts for treating leukemia enhance engraftment and mediate the graft-versus-leukemia effect. Unfortunately, alloreactive T cells also cause graft-versus-host disease (GVHD). T cell depletion prevents GVHD but increases the risk of graft rejection and leukemic relapse. In human transplants, we show that donor-versus-recipient natural killer (NK)-cell alloreactivity could eliminate leukemia relapse and graft rejection and protect patients against GVHD. In mice, the pretransplant infusion of alloreactive NK cells obviated the need for high-intensity conditioning and reduced GVHD. NK cell alloreactivity may thus provide a powerful tool for enhancing the efficacy and safety of allogeneic hematopoietic transplantation. 相似文献
10.
Delayed hypersensitivity: bone marrow as the source of cells in delayed skin reactions 总被引：11，自引：0，他引：11
Adult Lewis rats were thymectomized, irradiated, and restored with bone marrow from allogeneic (or F(1)) donors. They were passively sensitized to tuberculin by a subsequent transfer of Lewis lymph node cells and were given intradermal skin tests with tuberculoprotein. In 24-hour skin reactions the majority of cells, in successive experiments, were shown to be allogeneic (or F(1)) with the use of isoantibody against the antigens of the transplanted marrow cells and by the indirect fluorescent antibody technique. Our results demonstrate that the non-specific cells making up a large proportion of the infiltrating elements in tuberculin skin reactions probably originate in the bone marrow. 相似文献
11.
Leukemia virus activation during homograft rejection 总被引：4，自引：0，他引：4
Activation of murine leukemia viruses, as detected by the mixed culture cytopathogenicity (XC) assay, followed the transplantation of A/J skin onto immunosuppressed BALB/c mice. Virus was found in most of the mice receiving both skin grafts and antilymphocyte serum, but not in animals receiving either the serum alone, skin graft alone, or no treatment. 相似文献
12.
The application of bone marrow transplantation to the treatment of genetic diseases 总被引：10，自引：0，他引：10
R Parkman 《Science (New York, N.Y.)》1986,232(4756):1373-1378
Genetic diseases can be treated by transplantation of either normal allogeneic bone marrow or, potentially, autologous bone marrow into which the normal gene has been inserted in vitro (gene therapy). Histocompatible allogeneic bone marrow transplantation is used for the treatment of genetic diseases whose clinical expression is restricted to lymphoid or hematopoietic cells. The therapeutic role of bone marrow transplantation in the treatment of generalized genetic diseases, especially those affecting the central nervous system, is under investigation. The response of a generalized genetic disease to allogeneic bone marrow transplantation may be predicted by experiments in vitro. Gene therapy can be used only when the gene responsible for the disease has been characterized. Success of gene therapy for a specific genetic disease may be predicted by its clinical response to allogeneic bone marrow transplantation. 相似文献
13.
Mixed lymphocyte reactions and tissue transplantation tolerance 总被引：2，自引：0，他引：2
The induction of tolerance of Lewis histocompatibility antigens in BN rats inoculated at birth with BNI Lewis F(1) hybrid bone marrow cells, as revealed by the prolonged survival of Lewis skin grafts, is accompanied by markedly decreased reactivity in the mixed lymphocyte interaction. Blood lymphocytes from animals inoculated with lymph node cell suspensions also display diminished proliferative reactivity to hybrid BN/Lewis cells in the interaction. However, these recipients are not tolerant of Lewis skin grafts. Blood lymphocytes from BN rats inoculated neonatally with Lewis thymocytes fail to display any level of unresponsiveness in vitro, and such animals are not tolerant of Lewis skin grafts. The results suggest that in rats skin and marrow cells have histocompatibility antigens that are absent or poorly expressed on lymph node cells and thymocytes. 相似文献
14.
Graft versus host inhibition: fetal liver and thymus cells to minimize secondary disease 总被引：2，自引：0，他引：2
Long-lived radiation chimeras were produced in mice diflering at the major histocompatibility locus. Survival occurred in lethally irradiated recipients inoculated with allogeneic fetal liver and allogeneic fetal thymus cells in combination. The survival rate was equal or superior to that of mice with transplanted syngeneic fetal, neonatal, or adult hematopoietic cells. 相似文献
15.
The loss of acquired immunological tolerance of mice to bovine gamma globulin depended on the presence of the thymus. Mice were repeatedly injected with bovine gamma-globulin from birth until the age of 5 to 10 weeks and then thymectomized or sham operated. After 130 to 160 days without antigen, an accelerated (immune) disappearance of I(125) bovine gamma-globulin could be uniformly induced in controls while thymectomized mice remained tolerant. Adult thymectomized mice made tolerant by a single injection of bovine gamma-globulin lost tolerance more slowly than sham-operated controls. 相似文献
16.
将1日龄小鼠卵巢移植入成年受体雄鼠肾囊下,分别于移植后21d(A组)和28d(B组),回收卵巢移植体和卵母细胞,采集附睾尾精子,并对睾丸及精子进行形态学检测,计算畸形精子数.移植受体雄鼠的繁殖能力将依据与雌鼠合笼交配后的窝产活仔记录进行评价.结果表明,卵巢移植体生长并有卵泡发育,A、B组回收卵母细胞数组间无显著差异(P0.05);移植组不同时期卵巢移植体对雄鼠睾丸及精子形态无明显影响,其畸形率与对照组(正常雄鼠)相比差异不显著(P0.05);移植受体雄鼠与母鼠配种的窝产活仔数与对照组无显著差异(P0.05).初步证实在卵巢异性移植构建雌、雄性腺同体的生理环境中,卵巢移植体对受体雄鼠精子及生殖能力无明显影响. 相似文献
17.
Prevention of murine lupus nephritis by carrier-dependent induction of immunologic tolerance to denatured DNA 总被引：10，自引：0，他引：10
Four nucleosides were covalently bound to isogeneic mouse immunoglobulin G (IgG) and injected into New Zealand mice. Mice that received the tetranucleoside isogeneic IgG from birth to 5 months of age failed to make antibody to denatured DNA. In contrast, mice that were similarly treated with tetranucleoside bovine serum albumin or tetranucleoside free of carrier produced the same amount of antibody to denatured DNA as did untreated mice of this strain. Mice that were rendered tolerant to denatured DNA by tetranucleoside isogeneic IgG failed to develop the chronic membranous glomerulonephritis that characterizes the renal lesions in animals of this strain. 相似文献
18.
Alloimmune mice (mice that have been exposed to cells from another murine strain) were shown to make antibodies against gp120 and p24 of human immunodeficiency virus (HIV), and mice of the autoimmune strains MRL-lpr/lpr and MRL-(+)/+ made antibodies against gp120. This is surprising because the mice were not exposed to HIV. Furthermore, anti-anti-MHC antibodies (molecules that have shapes similar to those of major histocompatibility complex molecules) were detected in both alloimmune sera and MRL mice. These results are discussed in the context of a possible role for allogeneic stimuli in the pathogenesis of acquired immunodeficiency syndrome, as suggested by an idiotypic network model. 相似文献
19.
Genetic and immunological complexity of major histocompatibility regions 总被引：24，自引：0，他引：24
There are genetic differences within the major histocompatibility complex of the mouse which lead to skin graft rejection but which cannot be detected serologically. When confronted with these differences on allogeneic cells, lymphocytes proliferate in vitro. In other cases, in vitro lymphocyte proliferation but no skin graft rejection is associated with loci that are linked to but genetically separable from the loci controlling the serologically defined antigens. 相似文献
20.
MHC class I deficiency: susceptibility to natural killer (NK) cells and impaired NK activity. 总被引：21，自引：0，他引：21
The role of major histocompatibility complex (MHC) class I expression in natural killer (NK) cell target recognition is controversial. Normal T cell blasts from MHC class I-deficient mutant mice were found to serve as target cells for NK cells in vitro, which suggests that MHC class I molecules are directly involved in NK cell recognition. Spleen cells from the mutant mice were deficient in their ability to lyse MHC class I-deficient target cells or NK-susceptible tumor targets, and mutant mice could not reject allogeneic bone marrow. Thus, class I molecules may participate in the positive selection or tolerance induction of NK cells. 相似文献