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Multiplex bead array assay for detection of 25 soluble cytokines in blister fluid of patients with complex regional pain syndrome type 1.

Abstract：

:Inflammatory processes are known to be involved at least in the early phase of complex regional pain syndrome type 1 (CRPS1). Blister fluid obtained from the involved extremities displayed increased amounts of proinflammatory cytokines IL-6 and TNFalpha compared with the noninvolved extremities. The aim of this paper is to investigate the involvement of mediators by measurement of several other cytokines using new detection techniques that enable multiple cytokine measurement in small samples. The use of a multiplex-25 bead array cytokine assay and Luminex technology enabled simultaneous measurement of representative (1) proinflammatory cytokines such as GM-CSF, IL-1beta, IL-1RA, IL-6, IL-8, and TNF-alpha; (2) Th1/Th2 distinguishing cytokines IFN-gamma, IL-2, IL-2R, IL-4, IL-5, and IL-10; (3) nonspecific acting cytokines IFN-alpha, IL-7, IL-12p40/p70, IL-13, IL-15, and IL-17; and (4) chemokines eotaxin, IP-10, MCP-1, MIP-1alpha, MIP-1beta, MIG, and RANTES. Although minimal detection levels are significantly higher in the bead array system than those in common ELISA assays, in blister fluid, IL-1RA, IL-6, IL-8, TNF-alpha, IL-12p40/p70, MCP-1, and MIP-1beta were detectable and increased in CRPS1 affected extremities. Levels of IL-6 and TNF-alpha simultaneously measured by ELISA (Sanquin Compact kit) and by multiplex-25 bead array assay (Biosource) were highly correlated (r = 0.85, P < .001 for IL-6 and r = 0.88, P < .001 for TNF-alpha). Furthermore, IP-10 and eotaxin were detectable but diminished in CRPS1, whereas detectable amounts of IL-10 were similar in involved and noninvolved extremities. Multiplex bead array assays are useful systems to establish the involvement of cytokines in inflammatory processes by measurements in blister fluids of CRPS1. Ten representative cytokines were detectable. However, detection levels and amounts measured are at least 3 times higher in the multiplex-25 array assay than in the ELISA assays used simultaneously for the measurement of cytokines.

journal_name

Mediators Inflamm

journal_title

Mediators of inflammation

authors

Heijmans-Antonissen C,Wesseldijk F,Munnikes RJ,Huygen FJ,van der Meijden P,Hop WC,Hooijkaas H,Zijlstra FJ

doi

10.1155/MI/2006/28398

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

28398

issue

eissn

0962-9351

issn

1466-1861

pii

S0962935106283984

journal_volume

2006

pub_type

杂志文章

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Multiplex bead array assay for detection of 25 soluble cytokines in blister fluid of patients with complex regional pain syndrome type 1.