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Reactivity to Helicobacter pylori antigens in patients suffering from thyroid gland autoimmunity
K. Štechová, R. Pomahačová, J. Hrabák, M. Durilová, J. Sýkora, D. Chudoba, V. Šťavíková, K. Flajšmanová, J. Varvařovská
Jazyk angličtina Země Německo
Typ dokumentu práce podpořená grantem
Grantová podpora
NR8887
MZ0
CEP - Centrální evidence projektů
Digitální knihovna NLK
Plný text - Článek
Zdroj
Odkazy
Knihovny.cz E-zdroje
- MeSH
- autoimunitní tyreoiditida imunologie mikrobiologie MeSH
- chemokiny biosyntéza MeSH
- čipová analýza proteinů MeSH
- cytokiny biosyntéza MeSH
- dítě MeSH
- dospělí MeSH
- ELISA MeSH
- Helicobacter pylori imunologie MeSH
- infekce vyvolané Helicobacter pylori imunologie mikrobiologie MeSH
- kultivované buňky MeSH
- leukocyty mononukleární imunologie MeSH
- lidé MeSH
- mladiství MeSH
- Check Tag
- dítě MeSH
- dospělí MeSH
- lidé MeSH
- mladiství MeSH
- ženské pohlaví MeSH
- Publikační typ
- práce podpořená grantem MeSH
The role of infection in autoimmunity is widely discussed. In this study we concentrated on relationship between HELICOBACTER PYLORI as a very important gastroduodenal pathogen and autoimmune thyroiditis (AT). Forty seven AT patients and 34 healthy controls were enrolled. They were split into: THP ( H.PYLORI positive patients, n=17), THN ( H.PYLORI negative patients, n=30), CP ( H.PYLORI positive controls, n=17) and CN groups ( H.PYLORI negative controls, n=17). By protein microarray we analysed production of 23 cytokines and chemokines prior and post stimulation with H.PYLORI lysate and its lipopolysaccharide (LPS). Reactivity to lysate as well as to bacterial LPS differed within groups. The lowest basal cytokine and chemokine production was observed in CN group but these subjects reacted significantly to specific stimulation by increasing IFN-gamma (in comparison with THP p=0.01 for LPS and p=0.004 for H.PYLORI lysate) and TGF-beta production (p=0.015 for LPS). In contrast, IL-10 and IL-5 were decreased in this group. In CP, THN and THP groups, we observed in general higher chemokine response. THP group increased proinflammatory IL-6 after specific stimulation as well (in comparison with CP p<0.0001 for LPS stimulation). We observed different "reactivity pattern" to H.PYLORI within groups with low basal cytokine and chemokine production in healthy H.PYLORI negative controls but with clear specific response in IFN-gamma and TGF-beta production in this group. Adequate immune reaction which is joined to appropriate immunoregulation leads to prevention of the chronic infection and on the other hand may prevent the development of "connected" diseases such as autoimmune. J. A. Barth Verlag in Georg Thieme Verlag KG Stuttgart.New York.
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- $a The role of infection in autoimmunity is widely discussed. In this study we concentrated on relationship between HELICOBACTER PYLORI as a very important gastroduodenal pathogen and autoimmune thyroiditis (AT). Forty seven AT patients and 34 healthy controls were enrolled. They were split into: THP ( H.PYLORI positive patients, n=17), THN ( H.PYLORI negative patients, n=30), CP ( H.PYLORI positive controls, n=17) and CN groups ( H.PYLORI negative controls, n=17). By protein microarray we analysed production of 23 cytokines and chemokines prior and post stimulation with H.PYLORI lysate and its lipopolysaccharide (LPS). Reactivity to lysate as well as to bacterial LPS differed within groups. The lowest basal cytokine and chemokine production was observed in CN group but these subjects reacted significantly to specific stimulation by increasing IFN-gamma (in comparison with THP p=0.01 for LPS and p=0.004 for H.PYLORI lysate) and TGF-beta production (p=0.015 for LPS). In contrast, IL-10 and IL-5 were decreased in this group. In CP, THN and THP groups, we observed in general higher chemokine response. THP group increased proinflammatory IL-6 after specific stimulation as well (in comparison with CP p<0.0001 for LPS stimulation). We observed different "reactivity pattern" to H.PYLORI within groups with low basal cytokine and chemokine production in healthy H.PYLORI negative controls but with clear specific response in IFN-gamma and TGF-beta production in this group. Adequate immune reaction which is joined to appropriate immunoregulation leads to prevention of the chronic infection and on the other hand may prevent the development of "connected" diseases such as autoimmune. J. A. Barth Verlag in Georg Thieme Verlag KG Stuttgart.New York.
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