Abstract:
:Oxidative stress plays an important role in inflammatory process of celiac disease. We have studied the effect of the lycopene, quercetin and tyrosol natural antioxidants on the inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) gene expression in RAW 264.7 macrophages stimulated by gliadin in association with IFN-gamma. The IFN-gamma plus gliadin combination treatment was capable of enhancing iNOS and COX-2 gene expression and nuclear factor-kappaB (NF-kappaB), interferon regulatory factor-1 (IRF-1) and signal transducer and activator of transcription-1alpha (STAT-1alpha) activation induced by reactive oxygen species generation at 24 h. Lycopene, quercetin and tyrosol inhibited all these effects. The results here reported suggest that these compounds may represent non toxic agents for the control of pro-inflammatory genes involved in celiac disease.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
De Stefano D,Maiuri MC,Simeon V,Grassia G,Soscia A,Cinelli MP,Carnuccio Rdoi
10.1016/j.ejphar.2007.03.051subject
Has Abstractpub_date
2007-07-02 00:00:00pages
192-9issue
1-3eissn
0014-2999issn
1879-0712pii
S0014-2999(07)00417-7journal_volume
566pub_type
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