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Anti-GAD65 reactive peripheral blood mononuclear cells in the pathogenesis of cystic fibrosis related diabetes mellitus

Objective: A role of autoreactive T cells for type 1 diabetes pathogenesis is considered crucial. In our pilot study we addressed if autoreactive mononuclear cells are present also in peripheral blood of patients with other specific forms of diabetes as cystic fibrosis related diabetes (CFRD). Metho...

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Published in:Autoimmunity (Chur, Switzerland) Switzerland), 2005-06, Vol.38 (4), p.319-323
Main Authors: Stechova, Katerina, Kolouskova, Stanislava, Sumnik, Zdenek, Cinek, Ondrej, Kverka, Miloslav, Karlsson Faresj, Maria, Chudoba, Daniel, Dovolilova, Eva, Pechova, Marta, Vrabelova, Zuzana, Böhmova, Kristyna, Janecek, Lukas, Saudek, Frantisek, Vavrinec, Jan
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cited_by cdi_FETCH-LOGICAL-c502t-c74828e28ac6b30ae71cf0d5ec5a7f154f6f24dc72857d8b9ff9b7e2370e0de23
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container_end_page 323
container_issue 4
container_start_page 319
container_title Autoimmunity (Chur, Switzerland)
container_volume 38
creator Stechova, Katerina
Kolouskova, Stanislava
Sumnik, Zdenek
Cinek, Ondrej
Kverka, Miloslav
Karlsson Faresj, Maria
Chudoba, Daniel
Dovolilova, Eva
Pechova, Marta
Vrabelova, Zuzana
Böhmova, Kristyna
Janecek, Lukas
Saudek, Frantisek
Vavrinec, Jan
description Objective: A role of autoreactive T cells for type 1 diabetes pathogenesis is considered crucial. In our pilot study we addressed if autoreactive mononuclear cells are present also in peripheral blood of patients with other specific forms of diabetes as cystic fibrosis related diabetes (CFRD). Methods: Cellular immune responses to a known β-cell autoantigen (GAD65 and GAD65 derived peptides) were analysed by ELISPOT (IFN-γ) and by protein microarray analysis in four patients suffering from CFRD, in four cystic fibrosis (CF) patients without diabetes, in eight type 1 diabetes patients (without CF) and in four healthy controls. Results: Response to the autoantigen GAD65 (protein and peptides) was observed in 7/8 patients suffering from CF and in all type 1 diabetes patients. Post-stimulation production of Th1 cytokines (IFN-γ, TNF-β) was observed in 2/4 CFRD, 1/4 CF patients and in 7/8 type 1 diabetes patients. All these patients carry prodiabetogenic HLA-DQ genotype. Th2- and Th3 type of cytokine pattern was observed in 2/4 CF patients. Production of IL-8 was observed in the third CFRD as well as in the third CF patient and in 1/8 type 1 diabetes patient and borderline production of this chemokine was also observed in 2/4 healthy controls. No reaction was observed in the other 2/4 healthy controls and in the fourth CFRD patient who carried a strongly protective genotype and did not produce autoantibodies. The most potent peptide of GAD65 was amino acids 509-528. Conclusions: We consider our observations as a sign of a reaction directed against the self-antigen GAD65 that are closely connected to type 1 diabetes. In CF patients who do not develop diabetes autoreactive mechanisms are very probably efficiently suppressed by immune self-tolerance mechanisms. CFRD patients are a heterogenic group. To disclose those who may display features of autoimmune diabetes could have an impact for their therapy and prognosis.
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In our pilot study we addressed if autoreactive mononuclear cells are present also in peripheral blood of patients with other specific forms of diabetes as cystic fibrosis related diabetes (CFRD). Methods: Cellular immune responses to a known β-cell autoantigen (GAD65 and GAD65 derived peptides) were analysed by ELISPOT (IFN-γ) and by protein microarray analysis in four patients suffering from CFRD, in four cystic fibrosis (CF) patients without diabetes, in eight type 1 diabetes patients (without CF) and in four healthy controls. Results: Response to the autoantigen GAD65 (protein and peptides) was observed in 7/8 patients suffering from CF and in all type 1 diabetes patients. Post-stimulation production of Th1 cytokines (IFN-γ, TNF-β) was observed in 2/4 CFRD, 1/4 CF patients and in 7/8 type 1 diabetes patients. All these patients carry prodiabetogenic HLA-DQ genotype. Th2- and Th3 type of cytokine pattern was observed in 2/4 CF patients. Production of IL-8 was observed in the third CFRD as well as in the third CF patient and in 1/8 type 1 diabetes patient and borderline production of this chemokine was also observed in 2/4 healthy controls. No reaction was observed in the other 2/4 healthy controls and in the fourth CFRD patient who carried a strongly protective genotype and did not produce autoantibodies. The most potent peptide of GAD65 was amino acids 509-528. Conclusions: We consider our observations as a sign of a reaction directed against the self-antigen GAD65 that are closely connected to type 1 diabetes. In CF patients who do not develop diabetes autoreactive mechanisms are very probably efficiently suppressed by immune self-tolerance mechanisms. CFRD patients are a heterogenic group. To disclose those who may display features of autoimmune diabetes could have an impact for their therapy and prognosis.</description><identifier>ISSN: 0891-6934</identifier><identifier>ISSN: 1607-842X</identifier><identifier>EISSN: 1607-842X</identifier><identifier>DOI: 10.1080/08916930500124387</identifier><identifier>PMID: 16206514</identifier><language>eng</language><publisher>Abingdon: Informa UK Ltd</publisher><subject>Adolescent ; Adult ; Autoantibodies - blood ; Autoantibodies - immunology ; autoimmunity ; Biological and medical sciences ; cellular response ; Child ; cystic fibrosis ; Cystic Fibrosis - complications ; Cystic Fibrosis - immunology ; cytokines ; Diabetes ; Diabetes Mellitus - etiology ; Diabetes Mellitus - immunology ; Female ; Fundamental and applied biological sciences. Psychology ; Fundamental immunology ; General aspects ; Glutamate Decarboxylase - immunology ; HLA-DQ Antigens - immunology ; Humans ; Immunopathology ; Interferon-gamma - blood ; Interleukin-8 - blood ; Isoenzymes - immunology ; Leukocytes, Mononuclear - immunology ; Lymphotoxin-alpha - blood ; Male ; Medical sciences ; MEDICIN ; MEDICINE ; Pilot Projects ; Protein Array Analysis</subject><ispartof>Autoimmunity (Chur, Switzerland), 2005-06, Vol.38 (4), p.319-323</ispartof><rights>2005 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted 2005</rights><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c502t-c74828e28ac6b30ae71cf0d5ec5a7f154f6f24dc72857d8b9ff9b7e2370e0de23</citedby><cites>FETCH-LOGICAL-c502t-c74828e28ac6b30ae71cf0d5ec5a7f154f6f24dc72857d8b9ff9b7e2370e0de23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,315,786,790,891,27957,27958</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=16902900$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16206514$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-28873$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Stechova, Katerina</creatorcontrib><creatorcontrib>Kolouskova, Stanislava</creatorcontrib><creatorcontrib>Sumnik, Zdenek</creatorcontrib><creatorcontrib>Cinek, Ondrej</creatorcontrib><creatorcontrib>Kverka, Miloslav</creatorcontrib><creatorcontrib>Karlsson Faresj, Maria</creatorcontrib><creatorcontrib>Chudoba, Daniel</creatorcontrib><creatorcontrib>Dovolilova, Eva</creatorcontrib><creatorcontrib>Pechova, Marta</creatorcontrib><creatorcontrib>Vrabelova, Zuzana</creatorcontrib><creatorcontrib>Böhmova, Kristyna</creatorcontrib><creatorcontrib>Janecek, Lukas</creatorcontrib><creatorcontrib>Saudek, Frantisek</creatorcontrib><creatorcontrib>Vavrinec, Jan</creatorcontrib><title>Anti-GAD65 reactive peripheral blood mononuclear cells in the pathogenesis of cystic fibrosis related diabetes mellitus</title><title>Autoimmunity (Chur, Switzerland)</title><addtitle>Autoimmunity</addtitle><description>Objective: A role of autoreactive T cells for type 1 diabetes pathogenesis is considered crucial. 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In our pilot study we addressed if autoreactive mononuclear cells are present also in peripheral blood of patients with other specific forms of diabetes as cystic fibrosis related diabetes (CFRD). Methods: Cellular immune responses to a known β-cell autoantigen (GAD65 and GAD65 derived peptides) were analysed by ELISPOT (IFN-γ) and by protein microarray analysis in four patients suffering from CFRD, in four cystic fibrosis (CF) patients without diabetes, in eight type 1 diabetes patients (without CF) and in four healthy controls. Results: Response to the autoantigen GAD65 (protein and peptides) was observed in 7/8 patients suffering from CF and in all type 1 diabetes patients. Post-stimulation production of Th1 cytokines (IFN-γ, TNF-β) was observed in 2/4 CFRD, 1/4 CF patients and in 7/8 type 1 diabetes patients. All these patients carry prodiabetogenic HLA-DQ genotype. Th2- and Th3 type of cytokine pattern was observed in 2/4 CF patients. Production of IL-8 was observed in the third CFRD as well as in the third CF patient and in 1/8 type 1 diabetes patient and borderline production of this chemokine was also observed in 2/4 healthy controls. No reaction was observed in the other 2/4 healthy controls and in the fourth CFRD patient who carried a strongly protective genotype and did not produce autoantibodies. The most potent peptide of GAD65 was amino acids 509-528. Conclusions: We consider our observations as a sign of a reaction directed against the self-antigen GAD65 that are closely connected to type 1 diabetes. In CF patients who do not develop diabetes autoreactive mechanisms are very probably efficiently suppressed by immune self-tolerance mechanisms. CFRD patients are a heterogenic group. To disclose those who may display features of autoimmune diabetes could have an impact for their therapy and prognosis.</abstract><cop>Abingdon</cop><pub>Informa UK Ltd</pub><pmid>16206514</pmid><doi>10.1080/08916930500124387</doi><tpages>5</tpages></addata></record>
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subjects Adolescent
Adult
Autoantibodies - blood
Autoantibodies - immunology
autoimmunity
Biological and medical sciences
cellular response
Child
cystic fibrosis
Cystic Fibrosis - complications
Cystic Fibrosis - immunology
cytokines
Diabetes
Diabetes Mellitus - etiology
Diabetes Mellitus - immunology
Female
Fundamental and applied biological sciences. Psychology
Fundamental immunology
General aspects
Glutamate Decarboxylase - immunology
HLA-DQ Antigens - immunology
Humans
Immunopathology
Interferon-gamma - blood
Interleukin-8 - blood
Isoenzymes - immunology
Leukocytes, Mononuclear - immunology
Lymphotoxin-alpha - blood
Male
Medical sciences
MEDICIN
MEDICINE
Pilot Projects
Protein Array Analysis
title Anti-GAD65 reactive peripheral blood mononuclear cells in the pathogenesis of cystic fibrosis related diabetes mellitus
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