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Anti-GAD65 reactive...
Anti-GAD65 reactive peripheral blood mononuclear cells in the pathogenesis of cystic fibrosis related diabetes mellitus
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- Stechova, Katerina (författare)
- Dept of Pediatrics Prague
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- Kolouskova, Stanislava (författare)
- Dept of Pediatrics Prague
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- Sumnik, Zdenek (författare)
- Dept of Pediatrics Prague
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- Cinek, Ondrej (författare)
- Dept of Pediatrics Prague
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- Kverka, Milosav (författare)
- The Inst of Microbiology Prague
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- Faresjö, Maria, 1971- (författare)
- Linköpings universitet,Hälsouniversitetet,Pediatrik,Hälsouniversitetet i Linköping
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- Chudoba, Daniel (författare)
- Dept of Biology and Genetics Prague
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- Dovolilova, Eva (författare)
- Diabetes Centrum Prague
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- Pechova, Marta (författare)
- Dept of Biochemistry Prague
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- Vrabelova, Zuzana (författare)
- Dept of Pediatrics Prague
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- Böhmova, Kristyna (författare)
- Dept of Pediatrics Prague
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- Janecek, Lukas (författare)
- Dept of Pediatrics Prague
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- Saudek, Frantisek (författare)
- Diabetes Centrum Prague
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- Vavrinec, Jan (författare)
- Dept of Pediatrics Prague
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(creator_code:org_t)
- 2009-07-07
- 2005
- Engelska.
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Ingår i: Autoimmunity. - : Informa UK Limited. - 0891-6934 .- 1607-842X. ; 38:4, s. 319-323
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- 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. © 2005 Taylor & Francis Group Ltd.
Nyckelord
- Diabetes
- cystic fibrosis
- autoimmunity
- cellular response
- cytokines
- MEDICINE
- MEDICIN
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- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Stechova, Kateri ...
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Kolouskova, Stan ...
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Sumnik, Zdenek
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Cinek, Ondrej
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Kverka, Milosav
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Faresjö, Maria, ...
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visa fler...
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Chudoba, Daniel
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Dovolilova, Eva
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Pechova, Marta
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Vrabelova, Zuzan ...
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Böhmova, Kristyn ...
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Janecek, Lukas
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Saudek, Frantise ...
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Vavrinec, Jan
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visa färre...
- Artiklar i publikationen
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Autoimmunity
- Av lärosätet
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Linköpings universitet
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Jönköping University