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  • 1
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    Arthritis provoked by linked T and B cell recognition of a glycolytic enzyme (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-27
    Description: The hallmark of rheumatoid arthritis (RA) is specific destruction of the synovial joints. In a mouse line that spontaneously develops a disorder with many of the features of human RA, disease is initiated by T cell recognition of a ubiquitously expressed self-antigen; once initiated, pathology is driven almost entirely by immunoglobulins. In this study, the target of both the initiating T cells and pathogenic immunoglobulins was identified as glucose-6-phosphate isomerase, a glycolytic enzyme. Thus, some forms of RA or related arthritides may develop by a mechanism fundamentally different from the currently popular paradigm of a joint-specific T cell response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsumoto, I -- Staub, A -- Benoist, C -- Mathis, D -- New York, N.Y. -- Science. 1999 Nov 26;286(5445):1732-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut de Genetique et de Biologie Moleculaire et Cellulaire (CNRS/INSERM/ULP), BP 163, 67404 Illkirch, C.U. de Strasbourg, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10576739" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen Presentation ; Antigen-Antibody Complex/immunology/metabolism ; Arthritis, Rheumatoid/*immunology ; Autoantibodies/*immunology ; Autoantigens/*immunology ; B-Lymphocytes/*immunology ; Cross Reactions ; Disease Models, Animal ; Glucose-6-Phosphate Isomerase/chemistry/*immunology ; Humans ; Immunoglobulins/immunology ; Joints/immunology ; Mice ; Mice, Inbred C57BL ; Mice, Inbred NOD ; Mice, Transgenic ; Recombinant Fusion Proteins/immunology ; T-Lymphocytes/*immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    MHC-linked protection from diabetes dissociated from clonal deletion of T cells (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-20
    Description: The I-E molecule of the major histocompatibility complex (MHC) can prevent the spontaneous development of diabetes in nonobese diabetic (NOD) mice. The mechanism of this protection has been investigated by breeding wild-type and promoter-mutated E kappa alpha transgenes onto the NOD genetic background. Animals carrying the various mutated transgenes expressed I-E on different subsets of immunocompetent cells, and thus cells important for the I-E protective effect could be identified. Although the wild-type transgene prevented the infiltration of lymphocytes into pancreatic islets, none of the mutants did. However, all of the transgenes could mediate the intrathymic elimination of T cells bearing antigen receptors with variable regions that recognize I-E. Thus, the I-E molecule does not protect NOD mice from diabetes simply by inducing the deletion of self-reactive T cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bohme, J -- Schuhbaur, B -- Kanagawa, O -- Benoist, C -- Mathis, D -- New York, N.Y. -- Science. 1990 Jul 20;249(4966):293-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de Genetique Moleculaire des Eucaryotes du CNRS, Faculte de Medecine, Strasbourg, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2115690" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Clone Cells ; Crosses, Genetic ; Diabetes Mellitus, Experimental/*immunology/prevention & control ; Genes, MHC Class II ; Histocompatibility Antigens Class II/genetics/*immunology ; Islets of Langerhans/immunology ; *Major Histocompatibility Complex ; Mice ; Mice, Mutant Strains ; Mice, Transgenic ; Mutation ; Promoter Regions, Genetic ; Receptors, Antigen, T-Cell/genetics ; T-Lymphocytes/*immunology ; Thymus Gland/immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Positive selection of T cells induced by viral delivery of neopeptides to the thymus (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-01-31
    Description: The relation between an antigenic peptide that can stimulate a mature T cell and the natural peptide that promoted selection of this cell in the thymus is still unknown. An experimental system was devised to address this issue in vivo-mice expressing neopeptides in thymic stromal cells after adenovirus-mediated delivery of invariant chain-peptide fusion proteins. In this system, selection of T cells capable of responding to a given antigenic peptide could be promoted by the peptide itself, by closely related analogs lacking agonist and antagonist activity, or by ostensibly unrelated peptides. However, the precise repertoire of T cells selected was dictated by the particular neopeptide expressed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nakano, N -- Rooke, R -- Benoist, C -- Mathis, D -- New York, N.Y. -- Science. 1997 Jan 31;275(5300):678-83.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut de Genetique et de Biologie Moleculaire et Cellulaire (INSERM, CNRS, Universite Louis Pasteur), 1 rue Laurent Fries, 67404 Illkirch, C.U. de Strasbourg, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9005856" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviridae/genetics ; Amino Acid Sequence ; Animals ; Antigen-Presenting Cells/immunology ; Antigens, Differentiation, B-Lymphocyte/genetics ; Cells, Cultured ; Cloning, Molecular ; Cross Reactions ; Cytochrome c Group/immunology ; DNA, Complementary/genetics ; Genetic Vectors ; Histocompatibility Antigens Class II/genetics ; Hybridomas ; Interleukin-2/biosynthesis ; *Lymphocyte Activation ; Mice ; Molecular Sequence Data ; Peptides/chemistry/*immunology ; Receptors, Antigen, T-Cell/*immunology ; Recombinant Fusion Proteins ; T-Lymphocytes/*immunology ; Thymus Gland/cytology/*immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Projection of an immunological self shadow within the thymus by the aire protein (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-10-12
    Description: Humans expressing a defective form of the transcription factor AIRE (autoimmune regulator) develop multiorgan autoimmune disease. We used aire- deficient mice to test the hypothesis that this transcription factor regulates autoimmunity by promoting the ectopic expression of peripheral tissue- restricted antigens in medullary epithelial cells of the thymus. This hypothesis proved correct. The mutant animals exhibited a defined profile of autoimmune diseases that depended on the absence of aire in stromal cells of the thymus. Aire-deficient thymic medullary epithelial cells showed a specific reduction in ectopic transcription of genes encoding peripheral antigens. These findings highlight the importance of thymically imposed "central" tolerance in controlling autoimmunity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, Mark S -- Venanzi, Emily S -- Klein, Ludger -- Chen, Zhibin -- Berzins, Stuart P -- Turley, Shannon J -- von Boehmer, Harald -- Bronson, Roderick -- Dierich, Andree -- Benoist, Christophe -- Mathis, Diane -- 2 P30 DK36836-16/DK/NIDDK NIH HHS/ -- 2T32 DK07260-26/DK/NIDDK NIH HHS/ -- KO8-DK59958-01A1/DK/NIDDK NIH HHS/ -- R01 DK60027-01/DK/NIDDK NIH HHS/ -- T32CA70083-05/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2002 Nov 15;298(5597):1395-401. Epub 2002 Oct 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section on Immunology and Immunogenetics, Joslin Diabetes Center; Department of Medicine, Brigham and Women's Hospital; Harvard Medical School, 1 Joslin Place, Boston, MA 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12376594" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Autoantibodies/analysis/blood ; Autoantigens/biosynthesis/genetics ; Autoimmune Diseases/genetics/immunology/metabolism ; Autoimmunity ; Epithelial Cells/physiology ; Female ; Gene Expression Profiling ; Gene Expression Regulation ; Gene Targeting ; Humans ; Lymphocytes/immunology ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Polyendocrinopathies, Autoimmune/genetics/immunology/metabolism ; Radiation Chimera ; Reverse Transcriptase Polymerase Chain Reaction ; *Self Tolerance ; Stromal Cells/immunology/metabolism ; T-Lymphocytes/*immunology ; Thymus Gland/cytology/*immunology/*metabolism ; Transcription Factors/genetics/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Diversity of endogenous epitopes bound to MHC class II molecules limited by invariant chain (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-03-04
    Description: The invariant chain (Ii) binds nascent major histocompatibility complex (MHC) class II molecules, blocking peptide binding until the complex dissociates in the endosomes. This may serve to differentiate the MHC class I and II antigen presentation pathways and enable class II molecules to efficiently bind peptides in the endosomes. This hypothesis was addressed by probing spleen cells from a combination of knock-out and transgenic mice with a large panel of T cell hybridomas. The Ii molecule blocked the presentation of a range of endogenously synthesized epitopes, but some epitopes actually required Ii. Thus, the influence of Ii on presentation does not follow simple rules. In addition, mice expressing Ii were not tolerant to epitopes unmasked in its absence, a finding with possible implications for autoimmunity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bodmer, H -- Viville, S -- Benoist, C -- Mathis, D -- New York, N.Y. -- Science. 1994 Mar 4;263(5151):1284-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de Genetique Moleculaire des Eucaryotes du CNRS, Strasbourg, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7510069" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigen-Presenting Cells/*immunology ; *Antigens, Differentiation, B-Lymphocyte ; Epitopes/*immunology ; Histocompatibility Antigens Class II/genetics/*immunology ; Hybridomas ; Mice ; Mice, Knockout ; Mice, Transgenic ; Molecular Sequence Data ; Myelin Basic Protein/immunology ; Recombinant Fusion Proteins/immunology ; T-Lymphocytes/*immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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