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Published in: Journal of Inflammation 1/2011

Open Access 01-12-2011 | Research

Ex vivo effects of flavonoïds extracted from Artemisia herba alba on cytokines and nitric oxide production in Algerian patients with Adamantiades-Behçet's disease

Authors: Djamel Messaoudene, Houda Belguendouz, Mohamed Laid Ahmedi, Tarek Benabdekader, Fifi Otmani, Malika Terahi, Pierre Youinou, Chafia Touil-boukoffa

Published in: Journal of Inflammation | Issue 1/2011

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Abstract

Background

Adamantiades-Behçet's disease (ABD) is a chronic multisystemic inflammation with unknown pathophysiology. This disorder is associated with a dysregulation of the cytokine network that hyperactivates neutrophils and macrophages. In this study, we investigate the modulatory effects of flavonoïd compounds extracted from Algerian medicinal plant Artemisia herba alba on Th1 and Th2 cytokines and nitric oxide production.

Methods

The modulatory effects of flavonoïds extracted from Artemisia herba alba on cytokines and nitric oxide production by peripheral blood mononuclear cells isolated from Algerian ABD patients and healthy controls were respectively measured by means of ELISA assays and Griess modified method.

Results

Our results show that flavonoïds significantly reduce the production of interleukin-12, the key effector of T helper 1 (Th1) cells and nitric oxide in a dose-dependent manner in Adamantiades-Behçet's disease. In contrast, the production of IL-4, the key marker of Th2 cells was increased.

Conclusion

This study suggests that in vitro supplementation with flavonoïds extracted from Artemisia herba alba could have potential immuno-modulatory effects characterised by a down-regulation and up-regulation of Th1 and Th2 cytokines, respectively. Moreover, flavonoïds may prevent nitric oxide induced damages.
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Metadata
Title
Ex vivo effects of flavonoïds extracted from Artemisia herba alba on cytokines and nitric oxide production in Algerian patients with Adamantiades-Behçet's disease
Authors
Djamel Messaoudene
Houda Belguendouz
Mohamed Laid Ahmedi
Tarek Benabdekader
Fifi Otmani
Malika Terahi
Pierre Youinou
Chafia Touil-boukoffa
Publication date
01-12-2011
Publisher
BioMed Central
Published in
Journal of Inflammation / Issue 1/2011
Electronic ISSN: 1476-9255
DOI
https://doi.org/10.1186/1476-9255-8-35

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