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Rheumatology (Oxford). 2011 Oct;50(10):1823-7. doi: 10.1093/rheumatology/keq445. Epub 2011 Jan 25.

Eotaxin-3 in Churg-Strauss syndrome: a clinical and immunogenetic study.

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Department of Internal Medicine 3 and Institute for Clinical Immunology, University of Erlangen-Nuremberg, Krankenhausstrasse 12, 91054 Erlangen, Germany.



To determine the potential of eotaxin-3 as a diagnostic marker for active disease and genetic susceptibility factor for Churg-Strauss syndrome (CSS).


A total of 37 patients with active, relapsed or inactive CSS, 123 healthy controls and 138 disease controls were studied. Clinical data were collected and serum levels of eotaxin-3 were determined. Ex vivo stability of eotaxin-3 in serum samples was tested. Furthermore, the association of single nucleotide polymorphisms (SNPs) in the eotaxin-3 gene with CSS was determined in 161 CSS patients and 124 healthy controls.


Serum eotaxin-3 was highly elevated in active CSS patients. Neither eosinophilic diseases nor other small-vessel vasculitides were associated with high serum eotaxin-3 levels. Receiver operating characteristic curve analysis determined a sensitivity and specificity of 87.5 and 98.6% at a cut-off level of 80 pg/ml. None of the tested SNPs within the eotaxin-3 gene influenced the susceptibility to develop CSS.


Serum eotaxin-3 is a sensitive and specific marker for the diagnosis of active CSS suitable for routine clinical practice. Previously described SNPs in the eotaxin-3 gene do not predict the risk of developing CSS.

[Indexed for MEDLINE]

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