http://www.cnr.it/ontology/cnr/individuo/prodotto/ID12266
Cigarette smoke increases Toll-like receptor 4 and modifies lipopolysaccharide-mediated responses in airway epithelial cells (Articolo in rivista)
- Type
- Label
- Cigarette smoke increases Toll-like receptor 4 and modifies lipopolysaccharide-mediated responses in airway epithelial cells (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1111/j.1365-2567.2007.02788.x (literal)
- Alternative label
Elisabetta Pace1; Maria Ferraro1,2; Liboria Siena1; Mario Melis1;Angela M. Montalbano1; Malcolm Johnson3; Maria R. Bonsignore4; Giovanni Bonsignore1,* and Mark Gjomarkaj1 (2008)
Cigarette smoke increases Toll-like receptor 4 and modifies lipopolysaccharide-mediated responses in airway epithelial cells
in Immunology (Oxf., Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Elisabetta Pace1; Maria Ferraro1,2; Liboria Siena1; Mario Melis1;Angela M. Montalbano1; Malcolm Johnson3; Maria R. Bonsignore4; Giovanni Bonsignore1,* and Mark Gjomarkaj1 (literal)
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- Rivista
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- PubMe (literal)
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1Istituto di Biomedicina e Immunologia
Molecolare, Consiglio Nazionale delle Ricerche,
Palermo, Italy, 2Dipartimento di Anestesiologia,
Rianimazione e delle Emergenze, Universita`
degli Studi di Palermo, Palermo, Italy,
3GlaxoSmithKline Research and Development
Ltd., Greenford, Middlesex, UK, and 4Dipartimento
di medicina, pneumologia, fisiologia e
nutrizione umana, Universita` degli Studi di
Palermo, Palermo, Italy (literal)
- Titolo
- Cigarette smoke increases Toll-like receptor 4 and modifies lipopolysaccharide-mediated responses in airway epithelial cells (literal)
- Abstract
- Airway epithelium is emerging as a regulator of innate immune responses
to a variety of insults including cigarette smoke. The main goal of this
study was to explore the effects of cigarette smoke extracts (CSE) on Tolllike
receptor (TLR) expression and activation in a human bronchial epithelial
cell line (16-HBE). The CSE increased the expression of TLR4 and
the lipopolysaccharide (LPS) binding, the nuclear factor-jB (NF-jB) activation,
the release of interleukin-8 (IL-8) and the chemotactic activity
toward neutrophils. It did not induce TLR2 expression or extracellular
signal-regulated signal kinase 1/2 (ERK1/2) activation. The LPS increased
the expression of TLR4 and induced both NF-jB and ERK1/2 activation.
The combined exposure of 16-HBE to CSE and LPS was associated with
ERK activation rather than NF-jB activation and with a further increase
of IL-8 release and of chemotactic activity toward neutrophils. Furthermore,
CSE decreased the constitutive interferon-inducible protein-10
(IP-10) release and counteracted the effect of LPS in inducing both the
IP-10 release and the chemotactic activity toward lymphocytes. In conclusion,
cigarette smoke, by altering the expression and the activation of
TLR4 via the preferential release of IL-8, may contribute to the accumulation
of neutrophils within the airways of smokers. (literal)
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