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Effects of fungal cell wall polysaccharides and lipopolysaccharide on in vitro tumour necrosis factor alpha production by peripheral blood mononuclear cells of sarcoidosis patients = Učinki polisaharidov iz celične stene gliv in lipopolisaharida na in vitro sintezo tumorskega nekroznega dejavnika alfa v mononuklearnih celicah iz periferne krvi bolnikov s sarkoidozoStopinšek, Sanja ...Background: Living in damp and moldy environments is being associated with a high risk for sarcoidosis and recently fungi have been suspected to be involved in the immunopathogenesis of sarcoidosis. ... We developed a model to study the influence of fungal cell wall polysaccharides on in vitro cytokine production by peripheral blood mononuclear cells (PBMC). We investigated whether different fungal cell wall polysaccharides induce different levels of tumour necrosis factor alpha (TNF-alpha) production by PBMC. We also assessed whether fungal cell wall polysaccharides modulate the lipopolysaccharide (LPS)- induced the TNF-f production by PBMC. And finally, we assessed whetherthere is a possible difference in TNF-f response of PBMC between patients with sarcoidosis and healthy persons. Methods: Eleven patients with newly diagnosed sarcoidosis and eleven healthy volunteers were included in thestudy. PBMC were isolated from whole blood and stimulated with fungal cell wall polysaccharides (soluble and particulate(1->3)-beta-glucan, zymosan A andchitin) and LPS. The secretion of TNF-alfa was measured from cultured PBMC.Results: Particulate (1->3)-beta-glucan was a potent inducer of TNF-alphasecretion by PBMC from patients with sarcoidosis and healthy persons.Soluble (1->3)-beta-glucan, zymosan A and chitin were weak inducers ofTNF-alfa secretion by PBMC from patients with sarcoidosis and healthy persons. Soluble (1->3)-beta-glucan increased, while particulate (1->3)-beta-glucan and chitin depressed the LPS induced secretion of TNF-á by PBMC from patients with sarcoidosis and healthy persons. There was no significant difference between patients with sarcoidosis and healthy persons, although there was a slight decrease of TNF-alpha secretion by PBMC from patients with sarcoidosis, compared to healthy persons. Conclusions: In this article we present the results of our preliminary study. (Abstract truncated at 2000 characters)Source: Zdravniški vestnik : glasilo Slovenskega zdravniškega društva = Slovenian medical journal = journal of Slovenian Medical Association. - ISSN 1318-0347 (Letn. 79, št. 10, okt. 2010, str. 684-689)Type of material - article, component partPublish date - 2010Language - englishCOBISS.SI-ID - 27497433
Author
Stopinšek, Sanja |
Terčelj-Zorman, Marjeta |
Salobir, Barbara, 1963- |
Wraber-Herzog, Branka |
Ihan, Alojz |
Rylander, Ragnar |
Simčič, Saša
Topics
Sarcoidosis |
Leukocytes, Mononuclear |
Tumor Necrosis Factor |
Cell Wall |
Polysaccharides |
Fungi |
Lipopolysaccharides |
Chitin |
Sarkoidoza |
Levkociti mononuklearni |
Polisaharidi |
Tumor nekrotizirajoči faktor |
Celična stena |
Glive |
Lipopolisaharidi |
Hitin |
sarkoidoza |
imunopatogeneza |
diagnostika |
glive |
dejavniki tveganja |
mikrobiologija
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source: Zdravniški vestnik : glasilo Slovenskega zdravniškega društva = Slovenian medical journal = journal of Slovenian Medical Association. - ISSN 1318-0347 (Letn. 79, št. 10, okt. 2010, str. 684-689)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Stopinšek, Sanja | 29475 |
Terčelj-Zorman, Marjeta | 06661 |
Salobir, Barbara, 1963- | 11154 |
Wraber-Herzog, Branka | 04890 |
Ihan, Alojz | 10337 |
Rylander, Ragnar | ![]() |
Simčič, Saša | 05382 |
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