1
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Han SH, Li B, Chen YT, Gao XM. Isolation and functional analysis of autoreactive T cells from BXSB mice with murine lupus. J Autoimmun 2002; 19:45-54. [PMID: 12367558 DOI: 10.1006/jaut.2002.0600] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
CD4(+) T helper cells play a pivotal role in the pathogenesis of SLE, although the mechanism is still unclear. The present study was designed to isolate and characterize autoreactive T lymphocytes from BXSB mice, a mouse model for human SLE. Splenocytes from 6-month-old male BXSB mice with murine lupus were repeatedly stimulated in vitro with irradiated syngeneic B cells in the presence of recombinant IL-2, resulting in six autoreactive T-cell lines and two T-cell clones. TCR analysis showed that, one of the T-cell lines, ATL1, was almost clonal, as a Vbeta2.1-Jbeta2, a Valpha5.1-Jalpha15 and a Valpha10.1-Jalpha15 chains were predominantly expressed in this line. The two clones derived from ATL1 turned out to be sister clones, using the TCR Vbeta2.1-Jbeta2 and Valpha10.1-Jalpha15 chains. ATL1 cells proliferated in response to stimulation of syngeneic and H-2-matched allogeneic B cells and secreted IFN-gamma. Monoclonal Ab against CD4 and CD28 inhibited the proliferative response of ATL1 for syngeneic B cells. Interestingly, ATL1 did not respond to BXSB spleen or peritoneal macrophages, suggesting that B cells were able to either express accessory molecules necessary for T-cell triggering or present cryptic epitopes recognized by the autoreactive T cells. Moreover, ATL1 was able to help BXSB, but not C57BL/6, B cells producing IgG and IgM Abs against dsDNA and histone in vitro. Passive transfer of viable ATL1 cells into young female BXSB mice significantly accelerated the production of autoantibodies. Possible mechanisms of interaction between ATL1 and lupus B cells are further discussed.
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Affiliation(s)
- Shu-Hong Han
- Department of Immunology, Peking University Health Science Center, Peking University, Beijing, China
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2
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Peutz-Kootstra CJ, de Heer E, Hoedemaeker PJ, Abrass CK, Bruijn JA. Lupus nephritis: lessons from experimental animal models. THE JOURNAL OF LABORATORY AND CLINICAL MEDICINE 2001; 137:244-60. [PMID: 11283519 DOI: 10.1067/mlc.2001.113755] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Lupus nephritis is a frequent and severe complication of SLE. In the last decades, animal models for SLE have been studied widely to investigate the immunopathology of this autoimmune disease because abnormalities can be studied and manipulated before clinical signs of the disease become apparent. In this review an overview is given of our current knowledge on the development of lupus nephritis, as derived from animal models, and a hypothetical pathway for the development of lupus nephritis is postulated. The relevance of the studies in experimental models in relationship with our knowledge of human SLE is discussed.
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Affiliation(s)
- C J Peutz-Kootstra
- Department of Pathology, Utrecht University Medical Center, Utrecht, The Netherlands
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3
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Matsuzawa A, Yasuda T, Zhang Y, Nagase H, Yoshimoto T, Kimura M, Tsubura A. Alleviation of renal disease and lymphadenopathy in MRL-Fasp(lrcg)/Fas(lprcg) (MR-lpr(cg)) mice neonatally infected with mouse mammary tumor virus encoding superantigen strongly reactive with TCR Vbeta8.2 element. Viral Immunol 2001; 13:297-311. [PMID: 11016595 DOI: 10.1089/08828240050144635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Mouse mammary tumor virus transmitted by FM mice (FM-MMTV) encodes a superantigen (SAg) characterized by strong reactivity with TCR Vbeta8.2 element and broad spectrum of Vbeta reactivity. To investigate what effects the expression in vivo of FM-MMTV SAg exhibits on the course of the disease in a lupus-prone model, MRL/MpJ-Fas(lprcg)/Fas(lprcg) (MRL-lpr9cg) mice, neonatally FM-MMTV-infected MRL-lprcg(MMTV) and uninfected MRL-lpr(cg) mice were compared for various disease parameters. In MRL-lprcg(MMTV), survival was significantly prolonged, glomerulonephritis, proteinuria, and lymphadenopathy were clearly ameliorated, and the production of serum immunoglobulin G (IgG), complement-activating IgG2a, and cryogenic IgG3 autoantibodies, which are thought to be pathogenic to kidneys, and circulating immune complexes (IC), and glomerular IC deposition were significantly suppressed. FM-MMTV infection deleted Vbeta8.2+ cells by about 90% and Vbeta14+ cells less efficiently in all of the CD4+, CD8+, and B220+ CD4- CD8- or double-negative (DN) T-cell populations, and Vbeta8.1+ cells in the CD4+ population but not in the others. Similar deletion profiles of CD8+ and DN T cells support that DN T cells are derived from the CD8 lineage. The results imply that the specific regulation of the immune system with viral SAg has a potential for development of an attractive immunomodulatory therapy of autoimmune diseases.
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MESH Headings
- Animals
- Antibodies, Antinuclear/blood
- Antigen-Antibody Complex/analysis
- Antigen-Antibody Complex/blood
- Apoptosis/genetics
- Disease Models, Animal
- Female
- Humans
- Immunoglobulins/blood
- Kidney/immunology
- Kidney/pathology
- Lupus Erythematosus, Systemic/immunology
- Lupus Erythematosus, Systemic/therapy
- Lupus Nephritis/immunology
- Lupus Nephritis/physiopathology
- Lupus Nephritis/prevention & control
- Lymphatic Diseases/immunology
- Lymphatic Diseases/physiopathology
- Lymphatic Diseases/prevention & control
- Lymphoid Tissue/pathology
- Male
- Mammary Tumor Virus, Mouse/genetics
- Mammary Tumor Virus, Mouse/immunology
- Mice
- Mice, Inbred CBA
- Peptide Fragments/immunology
- Proteinuria
- Receptors, Antigen, T-Cell, alpha-beta/immunology
- Retroviridae Infections/immunology
- Retroviridae Infections/virology
- Superantigens/genetics
- Superantigens/immunology
- Superantigens/metabolism
- Tumor Virus Infections/immunology
- Tumor Virus Infections/virology
- fas Receptor/genetics
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Affiliation(s)
- A Matsuzawa
- Laboratory Animal Research Center, Institute of Medical Science, University of Tokyo, Japan.
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4
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Körner H, Cretney E, Wilhelm P, Kelly JM, Röllinghoff M, Sedgwick JD, Smyth MJ. Tumor necrosis factor sustains the generalized lymphoproliferative disorder (gld) phenotype. J Exp Med 2000; 191:89-96. [PMID: 10620607 PMCID: PMC2195803 DOI: 10.1084/jem.191.1.89] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Tumor necrosis factor (TNF) and Fas ligand (FasL) play major roles in the homeostasis of the peripheral immune system. This becomes dramatically obvious in the absence of a functional FasL. Mice with such a deficiency develop a profound lymphadenopathy, splenomegaly, hypergammaglobulinemia, and strain-dependent systemic autoimmune disease, and succumb to premature death. It is consequently termed generalized lymphoproliferative disorder (gld). By contrast, TNF deficiency alone does not result in a striking phenotype. Thus, we sought to determine what role TNF might play in contributing to the gld phenotype by creating C57BL/6.gld.TNF(-/-) mice. Contrary to the expected outcome, mice deficient for both FasL and TNF had a substantially milder gld phenotype with regard to mortality, lymphoaccumulation, germinal center formation, and hypergammaglobulinemia. To confirm these data in a strain highly permissive for the phenotype, C3H/HeJ.gld and C3H.HeJ.lpr mice were treated with a TNF-specific monoclonal antibody. This transient neutralization of TNF also resulted in a significantly attenuated lymphoproliferative phenotype. We conclude that TNF is necessary for the full manifestation of the lymphoproliferative disorder, in particular playing a critical role in lymphoaccumulation. Most importantly, absence of TNF protects gld mice against premature death.
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Affiliation(s)
- H Körner
- Interdisziplinäres Zentrum für Klinische Forschung der Universität Erlangen-Nürnberg, D-91054 Erlangen, Germany.
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5
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Verdaguer2 J, Amrani2 A, Anderson B, Schmidt D, Santamaria P. Two Mechanisms for the Non-MHC-Linked Resistance to Spontaneous Autoimmunity. THE JOURNAL OF IMMUNOLOGY 1999. [DOI: 10.4049/jimmunol.162.8.4614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Abstract
Genetic susceptibility and resistance to most autoimmune disorders are associated with highly polymorphic genes of the MHC and with non-MHC-linked polygenic modifiers. It is known that non-MHC-linked polymorphisms can override or enhance the susceptibility to an autoimmune disease provided by pathogenic MHC genes, but the mechanisms remain elusive. In this study, we have followed the fate of two highly diabetogenic β cell-specific T cell receptors (Kd and I-Ag7 restricted, respectively) in NOR/Lt mice, which are resistant to autoimmune diabetes despite expressing two copies of the diabetogenic MHC haplotype H-2g7. We show that at least two mechanisms of non-MHC-linked control of pathogenic T cells operate in these mice. One segregates as a recessive trait and is associated with a reduction in the peripheral frequency of diabetogenic CD8+ (but not CD4+) T cells. The other segregates as a dominant trait and is mediated by IL-4- and TGF-β1-independent immune suppressive functions provided by lymphocytes that target diabetogenic CD4+ and CD8+ T cells, without causing their deletion, anergy, immune deviation, or ignorance. These results provide explanations as to how non-MHC-linked polymorphisms can override the susceptibility to an autoimmune disease provided by pathogenic MHC haplotypes, and demonstrate that protective non-MHC-linked genes may selectively target specific lymphoid cell types in cellularly complex autoimmune responses.
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Affiliation(s)
- Joan Verdaguer2
- Department of Microbiology and Infectious Diseases, and Julia McFarlane Diabetes Research Centre, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Abdelaziz Amrani2
- Department of Microbiology and Infectious Diseases, and Julia McFarlane Diabetes Research Centre, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Brad Anderson
- Department of Microbiology and Infectious Diseases, and Julia McFarlane Diabetes Research Centre, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Dennis Schmidt
- Department of Microbiology and Infectious Diseases, and Julia McFarlane Diabetes Research Centre, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Pere Santamaria
- Department of Microbiology and Infectious Diseases, and Julia McFarlane Diabetes Research Centre, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
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6
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Wooley PH, Sud S, Whalen JD, Nasser S. Pristane-induced arthritis in mice. V. Susceptibility to pristane-induced arthritis is determined by the genetic regulation of the T cell repertoire. ARTHRITIS AND RHEUMATISM 1998; 41:2022-31. [PMID: 9811058 DOI: 10.1002/1529-0131(199811)41:11<2022::aid-art18>3.0.co;2-p] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
OBJECTIVE Pristane-induced arthritis (PIA) is an experimental seropositive arthritis that is characterized by serologic and cellular immune abnormalities and is dependent on the presence of a competent CD4+ T cell population. We examined the regulation of PIA by genes of the major histocompatibility complex (MHC) and the Mls-1 loci to determine whether the selection of the T cells that infiltrate arthritic joints is a critical factor in disease susceptibility. METHODS Genetic regulation of PIA was investigated using F1 hybrid and congenic strain analysis to determine the influence of MHC and Mls-1 genes. The T cell receptor Vbeta phenotypes of lymph node cells and T cells infiltrating arthritic joints were examined with 2-color flow cytometry and reverse transcription-polymerase chain reaction techniques. RESULTS F1 hybrid offspring from 2 major PIA-susceptible strains (DBA/1 x BALB/c) were resistant to the induction of arthritis because of the interaction between genes of the MHC and the Mls-1 loci, which modified the T cell repertoire. This conclusion was supported by the observed resistance to PIA in BALB/ c-Mls-1a mice, where T cells expressing the Vbeta8.1 and Vbeta6 phenotypes were absent. The receptor phenotype of T cells infiltrating arthritic joints in DBA/1 mice was markedly skewed toward Vbeta8.1 and Vbeta6 compared with the population observed in lymph nodes from either PIA or normal control DBA/1 mice. CONCLUSION The data support the hypothesis that PIA is a T cell-mediated disease. While pristane causes a polyclonal T cell expansion that gives rise to lymphadenopathy, the development of arthritis in susceptible strains of mice occurs due to the preservation of specific T cell subsets with the capacity to infiltrate synovial joints.
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Affiliation(s)
- P H Wooley
- Wayne State University Medical School, Detroit, Michigan, USA
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7
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Sutmuller M, Baelde HJ, Ouellette S, De Heer E, Bruijn JA. T-cell receptor Vbeta gene expression in experimental lupus nephritis. Immunology 1998; 95:18-25. [PMID: 9767452 PMCID: PMC1364371 DOI: 10.1046/j.1365-2567.1998.00565.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A limited T-cell receptor (TCR) Vbeta repertoire employed by autoreactive T cells may be related to the development and course of autoimmune diseases. Vbeta repertoire skewing has been observed not only in man, but also in animal models of several human autoimmune diseases, such as MRL-lpr mice, which spontaneously develop a systemic lupus erythematosus (SLE)-like disease. Murine chronic graft-versus-host disease (GVHD) is an inducible model for SLE, involving direct interaction between donor T cells and recipient B cells. It is not known whether Vbeta-specific T-cell subsets are pathogenically involved in this model. Retroviral superantigens such as Mls-1 are known to have a profound impact on the TCR Vbeta repertoire in mice. Restriction of the peripheral TCR repertoire may result from intrathymic expression of Mls-1, which causes deletion of T cells expressing Vbeta6, -7, -8.1, or -9. Mls-1 incompatibility between donor and recipient can be used to determine the involvement of these TCR Vbeta families in GVHD. In the present study we induced GVHD in several strain combinations to investigate TCR Vbeta gene expression during GVHD, and the effect of Mls-1 incompatibility on the TCR Vbeta repertoire. TCR Vbeta gene expression was determined using an RNase protection assay. Our results indicate that T cells expressing the Vbeta2 or Vbeta16 chain play an important pathogenetic role, while T cells bearing the Vbeta1 or Vbeta6 chain may be related to self-limitation of the lupus-like disease in this model.
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Affiliation(s)
- M Sutmuller
- Department of Pathology, Leiden University Hospital, The Netherlands
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8
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Ruiz PJ, Waisman A, Mozes E. Anti-T-cell receptor therapy in murine experimental systemic lupus erythematosus. Immunol Lett 1998; 62:1-8. [PMID: 9672140 DOI: 10.1016/s0165-2478(97)00156-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Experimental systemic lupus erythematosus (SLE), similar to that observed after immunization with the human anti-DNA mAb 16/6 Id+, could be induced in mice by injection of 16/6 Id specific T-cell lines. The above T-cell lines were exclusively CD4+ CD8- and the majority of cells expressed the Vbeta8 T-cell receptor (TCR) gene products. Furthermore, lymph node cells of mice immunized with the 16/6 Id were enriched with CD4+ Vbeta8+ T-cells. The TCR used by 16/6 Id-specific T-cells showed a limited homology in their CDR3 junctional regions. Nevertheless, mice injected with the anti-Vbeta8 mAb developed autoantibody titers that were not significantly different from those found in the non-treated, 16/6 Id-injected group.
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MESH Headings
- Amino Acid Sequence
- Animals
- Cell Line
- Disease Models, Animal
- Female
- Humans
- Immunization, Passive/methods
- Lupus Erythematosus, Systemic/immunology
- Lupus Erythematosus, Systemic/therapy
- Mice
- Mice, Inbred C3H
- Molecular Sequence Data
- Receptors, Antigen, T-Cell, alpha-beta/genetics
- Receptors, Antigen, T-Cell, alpha-beta/immunology
- T-Lymphocytes/immunology
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Affiliation(s)
- P J Ruiz
- Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel
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9
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Steenbakkers PG, Boots AM, Rijnders AW. Generation and functional characterization of anti-clonotype antibodies to human T-cell receptors. J Immunol Methods 1997; 210:51-64. [PMID: 9502584 DOI: 10.1016/s0022-1759(97)00176-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Monoclonal antibodies (mAb) directed against the clonotypic structure of the T-cell receptor (TCR) may be useful reagents in the study and therapy of T-cell-mediated diseases. In contrast to several reports concerning the generation of anti-clonotype mAb to mouse TCR, only very limited numbers of anti-clonotype mAb to human TCR have been described. So far, a suitable method for the generation of anti-clonotype mAb to a given TCR has not been available and in this report we describe a novel strategy for the generation of such mAb. Mice were immunized with intact human T-cells. Then. spleen cell populations were precleared from B-cells reactive to CD3 and the constant region of the TCR by adsorption to TCR/CD3 complexes derived from an irrelevant T-cell clone. Subsequently, clonotype-specific B-cells were selected with TCR/CD3 complexes from the T-cell clone of interest. The small number of B-cells resulting from this selection were clonally expanded in a B-cell culture system and then immortalized by mini-electrofusion. Ten clonotype-specific mAb were generated against a DRB1*0401-restricted T-cell clone recognizing an epitope of the human cartilage glycoprotein 39 (HC gp-39). All mAb immunoprecipitated a heterodimeric 85 kDa protein. Absolute specificity was demonstrated in a T-cell agglutination test with the T-cell clone of interest compared to a set of 16 defined, irrelevant T-cell clones or lines. In functional assays, the mAb were found to inhibit or block antigen-specific T-cell stimulation. In addition, crosslinked mAb were found to stimulate proliferation of the specific clone in the absence of antigen and antigen presenting cells (APC). Such mAb may have clinical relevance in deleting or modulating autoreactive T-cells in a clonotype-specific manner.
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10
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Musette P, Galelli A, Chabre H, Callard P, Peumans W, Truffa-Bachi P, Kourilsky P, Gachelin G. Urtica dioica agglutinin, a V beta 8.3-specific superantigen, prevents the development of the systemic lupus erythematosus-like pathology of MRL lpr/lpr mice. Eur J Immunol 1996; 26:1707-11. [PMID: 8765010 DOI: 10.1002/eji.1830260807] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The V beta 8.3-specific superantigenic lectin Urtica dioica agglutinin (UDA) was used to delete the V beta 8.3+ T cells in MRL lpr/lpr mice. In contrast to the systemic lupus erythematosus-like pathology which progresses with age in the phosphate-buffered saline-injected MRL lpr/lpr controls, UDA-treated animals did not develop overt clinical signs of lupus and nephritis. The pathogenic T cell clones thus reside within the V beta 8.3+ T cell population, which includes an expanded T cell clone described previously. Finally, UDA alters the production of autoantibodies in a sex-dependent manner.
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Affiliation(s)
- P Musette
- Unité de Biologie Moléculaire du Gène, unité INSERM U277, Institut Pasteur, Paris, France
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11
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Skarstein K, Holmdahl R, Johannessen AC, Goldschmidt T, Jonsson R. Short-term administration of selected anti-T-cell receptor V beta chain specific MoAb reduces sialadenitis in MRL/lpr mice. Scand J Immunol 1995; 42:529-34. [PMID: 7481557 DOI: 10.1111/j.1365-3083.1995.tb03691.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Sialadenitis develops spontaneously in MRL/Mp mice bearing a lymphoproliferative gene, lpr (MRL/Mp-lpr/lpr). Based on recent observations of an oligoclonal expansion of T-cell receptor (TCR) expressing V beta chain families (V beta 4, V beta 8.1,2, V beta 10b) in salivary glands of these mice we have initiated selective antibody therapy. Treatment with monoclonal antibodies (MoAb) specific for T cells expressing a mixture of TCR V beta 4, V beta 8.1,2 and V beta 10b was applied to MRL/lpr mice before and after the spontaneous development of sialadenitis. The in vivo treatment with V beta 4, V beta 8.1,2 and V beta 10b MoAb did not prevent the development of sialadenitis. However, in animals with established sialadenitis, treatment with the MoAb significantly decreased the inflammation compared with the control groups. Immunohistochemical staining of cell phenotypes demonstrated a change in the ratio of CD4/CD8 in the animals with established sialadenitis. Altogether, these findings illustrate that it is possible to modulate sialadenitis and infiltrate cell phenotypes in vivo in MRL/lpr mice with specific anti-TCR V beta MoAb treatment.
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Affiliation(s)
- K Skarstein
- Broegelmann Research Laboratory for Microbiology, University of Bergen, Norway
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12
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Aimé-Sempé C, Cohen-Kaminsky S, Bruand C, Klingel-Schmitt I, Truffault F, Berrih-Aknin S. In vivo preferential usage of TCR V beta 8 in Torpedo acetylcholine receptor immune response in the murine experimental model of myasthenia gravis. J Neuroimmunol 1995; 58:191-200. [PMID: 7759608 DOI: 10.1016/0165-5728(95)00017-v] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The aim of our study was to determine the T cell receptor (TCR) V beta gene usage involved in the T cell response to Torpedo AChR in C57BL/6 mice. The specific proliferation towards AChR was found to be blocked by anti-V beta 8.1,2,3 and to a lesser extent by anti-V beta 5 mAbs, but not by the other antibodies used (anti-V beta 2, V beta 6, V beta 9). In addition, a significant expansion of CD4+ V beta 8+ cells was observed when lymph node cells from these primed mice were stimulated in vitro with purified AChR. Involvement of V beta 8 subfamilies was also explored in vivo. After 7 days of treatment, there was a striking inhibition of the proliferative response of cells from anti-V beta 8.1,2,3-treated mice and a moderate inhibition when using anti-V beta 8.1,2 and anti-V beta 8.2 antibodies. Thus our in vitro and in vivo analysis indicate that in C57Bl/6 mice, T cell response to AChR is restricted to few V beta TCR, mostly belonging to the V beta 8 sub-families.
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MESH Headings
- Animals
- Antibodies, Monoclonal/immunology
- Cell Division
- Immunity, Cellular
- Lymph Nodes/cytology
- Male
- Mice
- Mice, Inbred C57BL
- Myasthenia Gravis/immunology
- Myasthenia Gravis/metabolism
- Myasthenia Gravis/pathology
- Receptors, Antigen, T-Cell, alpha-beta/immunology
- Receptors, Antigen, T-Cell, alpha-beta/metabolism
- Receptors, Cholinergic/immunology
- Torpedo
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Affiliation(s)
- C Aimé-Sempé
- Department of Molecular and Cellular Immunology, Faculté de Médecine Paris-Sud, CNRS URA-1159, Hôpital Marie Lannelongue, Le Plessis-Robinson, France
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13
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14
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Rosenblatt N, Hartmann KU, Loor F. Interactions of B6 wild and B6 gld cells engrafted within athymic nude beige recipients. Autoimmunity 1995; 20:9-18. [PMID: 7578865 DOI: 10.3109/08916939508993334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The murine gld mutation is targetted to the gene coding for the ligand of the Fas receptor for apoptosis. Gld mice display a lymphoproliferative and autoimmune syndrome that can be transferred in both irradiated euthymic wild and athymic beige (nubg) recipients. In order to test whether a supply of normal wild cells could correct the development of the gld syndrome, nubg mice were grafted with mixtures of gld and wild spleen cells from congenic donors which differed for the allotypes of the T-cell Thy1 membrane glycoprotein and/or of the B-cell Ig heavy chain. In the nubg chimeras, the wild spleen cells could down-regulate the hyperactivation of the B cells and the proliferation of the gld T cells, but this was not due to total eradication of the gld T-cell subset. Since this occurred in an athymic recipient, the correction of the gld syndrome did not require wild stem cell differentiation within a thymic environment, but should only depend on a sufficient Fas ligand supply by normal wild cells. Since the gld cells could proliferate in the nubg environment, the nubg environment could not provide sufficient Fas ligand to regulate the gld cell proliferation. Thus, the nubg B cells might lack Fas ligand expression, or express it but to a lower extent that T cells.
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Affiliation(s)
- N Rosenblatt
- Laboratoire d'Immunologie, Université Louis Pasteur, Strasbourg, France
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15
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Musette P, Pannetier C, Gachelin G, Kourilsky P. The expansion of a CD4+ T cell population bearing a distinctive beta chain in MRL lpr/lpr mice suggests a role for the fas protein in peripheral T cell selection. Eur J Immunol 1994; 24:2761-6. [PMID: 7525303 DOI: 10.1002/eji.1830241128] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
MRL lpr/lpr mice suffer from a systemic lupus erythematosus-like autoimmune disease. The lpr mutation impairs the normal transcription of the fas message, the product of which mediates apoptosis and presumably the proper selection of T cells. We have found an early expansion of CD4+ T cells bearing a distinctive V beta 8.3-D beta 1.1-J beta 1.1 T cell receptor beta chain in the periphery of MRL lpr/lpr mice, which was not detected in MRL +/+ mice nor in the thymus of MRL lpr/lpr mice. Thus, since thymic selection is normal in MRL lpr/lpr mice, we propose that the lpr mutation results in defective negative selection at the periphery.
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Affiliation(s)
- P Musette
- Unité INSERM U 277, Département d'Immunologie, Institut Pasteur, Paris, France
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16
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Fossati L, Merino R, Iwamoto M, Lemoine R, Izui S. Lack of association of V beta 8+ T cells with lupus-like syndrome in MRL-lpr/lpr mice. Eur J Immunol 1994; 24:1717-20. [PMID: 8026533 DOI: 10.1002/eji.1830240741] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
To evaluate the role of V beta 8+ T cells in the development of lupus-like autoimmune syndrome in MRL-lpr/lpr mice, we treated them with the F23.1 anti-V beta 8 monoclonal antibody (mAb) from birth to 4 months of age. Here we report that almost complete depletion of V beta 8+ T cells by the F23.1 mAb treatment neither inhibited nor delayed the development of hypergammaglobulinemia, autoantibody production and autoimmune glomerulonephritis in MRL-lpr/lpr mice. In addition, the F23.1 mAb treatment did not prevent the development of lymphadenopathy and the generation of a CD4-CD8- double-negative T cell subset, characteristically accumulating in lpr lymph nodes. Our results strongly argue against the idea that the V beta 8+ T cells play a critical role in the development of lupus-like autoimmune syndrome in MRL-lpr/lpr mice.
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Affiliation(s)
- L Fossati
- Department of Pathology, Centre Médical Universitaire, University of Geneva, Switzerland
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17
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Abstract
Systemic lupus erythematosus is a disease that is particularly suited for studies of glomerular basement membrane pathology. Classification of the renal pathology of lupus nephritis is usually based on light microscopic features, combined with immunofluorescence findings and electron microscopic alterations. Study of renal biopsy helps to distinguish potentially reversible and irreversible disease, and to estimate prognosis of patients with lupus nephritis. Moreover, studies of human disease, as well as the availability of animal models and in vitro cell culture systems employing biochemical and molecular biological studies of extracellular matrix, have led to a considerable increase in knowledge of the pathogenetic events underlying derangements of the glomerular basement membrane in lupus nephritis.
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Affiliation(s)
- J A Bruijn
- Department of Pathology, University of Leiden, The Netherlands
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18
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Hosaka N, Nagata N, Miyashima S, Ikehara S. Attenuation of lpr-graft-versus-host disease (GVHD) in MRL/lpr spleen cell-injected SCID mice by in vivo treatment with anti-V beta 8.1,2 monoclonal antibody. Clin Exp Immunol 1994; 96:500-7. [PMID: 8004820 PMCID: PMC1534572 DOI: 10.1111/j.1365-2249.1994.tb06057.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
When MRL/lpr (H-2k) spleen cells were intraperitoneally injected into C.B-17-scid/scid (severe combined immunodeficient (SCID)) (H-2d) mice, the SCID (SCID-MRL/lpr) mice manifested a severe wasting syndrome with weight loss, splenic atrophy, and lymphoid cell infiltration in the liver and lung, as seen in lpr-GVHD. In contrast, MRL/+ spleen cell-injected SCID (SCID-MRL/+) mice did not show lpr-GVHD. The spleens of SCID-MRL/lpr mice showed progressive increases in donor CD4+ and CD8+ T cells from 4 to 12 weeks after injection and a decrease in B cells at 12 weeks. SCID-MRL/+ mice showed a stable engraftment of CD4+ and CD8+ T cells and a progressive increase in B cells. Analyses of T cell receptor (TCR) repertoires (V beta 6, V beta 8.1,2 and V beta 11) revealed that the V beta 8.1,2+ T cells were found more frequently in SCID-MRL/lpr mice than in SCID-MRL/+ mice. When SCID-MRL/lpr mice were treated with intraperitoneal injection of an anti-V beta 8.1,2 (KJ16) MoAb, V beta 8.1,2+ T cells were markedly depleted, and the severity of lpr-GVHD was attenuated at 4 and 8 weeks after treatment, in contrast to normal rat IgG-injected SCID-MRL/lpr mice. However, the KJ16 MoAb-treated SCID-MRL/lpr mice suffered from severe lpr-GVHD 12 weeks after treatment, although V beta 8.1,2+ T cells were still maintained at a low level. These findings suggest that V beta 8.1,2+ T cells are a major T cell population that mediates lpr-GVHD in the early stage of lpr-GVHD, but that in the later stage, the other T cell populations may proliferate naturally or in accordance with the depletion of V beta 8.1,2+ T cells, and contribute to the development of lpr-GVHD.
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Affiliation(s)
- N Hosaka
- First Department of Pathology, Kansai Medical University, Osaka, Japan
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19
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Abstract
T-cell recognition of autoantigens stands as the primary target for immune intervention in autoimmune disease. Experiments in animal models, in combination with a number of clinical trials completed in the last year, have helped to clarify the pathogenesis of various autoimmune diseases and indicate future strategies for immunotherapy.
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Affiliation(s)
- A Cooke
- Department of Pathology, University of Cambridge, UK
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20
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Diu A, Romagné F, Genevée C, Rocher C, Bruneau JM, David A, Praz F, Hercend T. Fine specificity of monoclonal antibodies directed at human T cell receptor variable regions: comparison with oligonucleotide-driven amplification for evaluation of V beta expression. Eur J Immunol 1993; 23:1422-9. [PMID: 8391986 DOI: 10.1002/eji.1830230703] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Seven distinct anti-human T cell receptor (TcR) V region monoclonal antibodies (mAb) were generated by immunizing mice with either human T cell lines or transfected murine cells expressing human TcR V beta genes. The specificity of these reagents was determined as follows: T cells recognized by each mAb were purified from the peripheral blood of healthy donors and TcR transcripts expressed in these cells were analyzed using oligonucleotide-driven amplification and cDNA sequencing. Four mAb were found to delineate the V beta 3, V beta 8, V beta 17 and V beta 19 subfamilies, respectively. The remaining reagents recognize subsets within the V beta 2, V beta 5 and V beta 13 subfamilies. Reactivity of the mAb with circulating T cells from 18 unrelated healthy individuals was determined. Limited variability was found from an individual to another. In four donors, mAb staining was compared to oligonucleotide-driven amplification for evaluation of V beta 3, V beta 8, V beta 17 and V beta 19 subfamily expression in the peripheral blood. Although the V gene subfamily-specific oligonucleotides used in this study belong to a carefully controlled series, our results show that this method does not give an accurate estimate of the percentage of peripheral T cells expressing a given TcR beta chain. The present data confirm the necessity to establish a complete set of well-characterized monoclonal reagents to study human T cell responses.
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MESH Headings
- Animals
- Antibodies, Monoclonal/immunology
- Antibody Specificity
- Female
- Gene Expression
- Gene Rearrangement, beta-Chain T-Cell Antigen Receptor
- Humans
- Mice
- Mice, Inbred Strains
- Polymerase Chain Reaction
- RNA, Messenger/genetics
- Receptors, Antigen, T-Cell, alpha-beta/genetics
- Receptors, Antigen, T-Cell, alpha-beta/immunology
- T-Lymphocytes/immunology
- Transfection
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Affiliation(s)
- A Diu
- Immunotech S.A., Marseille, France
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