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Inflamm Res. 2011 Feb;60(2):127-35. doi: 10.1007/s00011-010-0244-y. Epub 2010 Aug 26.

In vitro testing for anti-inflammatory properties of compounds employing peripheral blood mononuclear cells freshly isolated from healthy donors.

Author information

1
Division of Biological Chemistry, Biocenter, Innsbruck Medical University, Fritz Pregl Strasse 3, 6020 Innsbruck, Austria.

Abstract

INTRODUCTION:

Inflammation is crucially involved in a variety of diseases like autoimmune syndromes, cardiovascular and neurodegenerative disorders, cancer, sepsis and allograft rejection.

METHODS:

Freshly isolated human peripheral blood mononuclear cells (PBMCs) are used as a screening assay for anti-inflammatory properties of compounds. Determinations of neopterin production by ELISA and of tryptophan degradation by HPLC are used as read-outs. Results are compared with further markers of immune response and oxidative stress.

RESULTS:

Phytohaemagglutinin induced significant tryptophan degradation and neopterin formation in PBMC, which correlated with IFN-γ, TNF-α, soluble cytokine receptors and isoprostane-8. Addition of vitamin C and E suppressed the responses dose-dependently.

DISCUSSION:

The determination of tryptophan degradation and neopterin production in PBMC reflects various pro- and anti-inflammatory cascades that are of relevance also in patients. It constitutes a robust and reliable approach to screen anti-inflammatory or immunosuppressive drugs and may improve throughput, speed and cost-effectiveness in drug discovery.

PMID:
20740299
DOI:
10.1007/s00011-010-0244-y
[Indexed for MEDLINE]
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