Immunomodulatory effects of Bacillus firmus on mouse peritoneal cells in vitro
Jazyk angličtina Země Spojené státy americké Médium print
Typ dokumentu srovnávací studie, časopisecké články, práce podpořená grantem
PubMed
17004658
DOI
10.1007/bf02932130
Knihovny.cz E-zdroje
- MeSH
- aktivace makrofágů * MeSH
- Bacillus imunologie MeSH
- buněčné kultury metody MeSH
- cytokiny imunologie metabolismus MeSH
- lipopolysacharidy farmakologie MeSH
- myši inbrední BALB C MeSH
- myši inbrední C57BL MeSH
- myši MeSH
- organické látky farmakologie MeSH
- oxid dusnatý metabolismus MeSH
- peritoneální dutina cytologie MeSH
- přirozená imunita MeSH
- zvířata MeSH
- Check Tag
- myši MeSH
- ženské pohlaví MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- srovnávací studie MeSH
- Názvy látek
- cytokiny MeSH
- lipopolysacharidy MeSH
- Nocardia delipidated cell mitogen MeSH Prohlížeč
- organické látky MeSH
- oxid dusnatý MeSH
The effect of nonpathogenic G+ bacterium B. firmus (BF) on stimulation of mouse peritoneal cells in vitro was evaluated by testing nitric-oxide-synthesis induction and cytokine formation. The reactivity was compared of peritoneal cells from two inbred mouse strains, C57B1/6 and BALB/c, which differ in their immunological reactivity. Peritoneal macrophages from C57B1/6 produced more nitric oxide after a 1-d cultivation with inactivated BF than those of BALB/c mice. In both strains, production can be further increased by adding exogenous IFN-gamma to the culture. There were no significant differences between peritoneal cells of these two mouse strains in cytokine production after optimal in vitro stimulation with BF. BF effectively activated peritoneal cells for the production of TNF-alpha, IL-1beta and IL-10, delipidated bacterium (DBF) being more efficient than BF in induction of IL-10 and TNF-alpha. On the other hand, BF had only small effect on IFN-gamma production and no detectable effect on IL-12 production. Macrophage activation by BF/DBF can represent one of the mechanisms responsible for previously described immunomodulatory activity of BF.
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Immunomodulatory properties of subcellular fractions of a G+ bacterium, Bacillus firmus
