标题：CONTACT ALLERGY TO NICKEL: PATCH TEST SCORE CORRELATES WITH IL-5, BUT NOT WITH IFN-GAMMA NICKEL-SPECIFIC SECRETION BY PERIPHERAL BLOOD LYMPHOCYTES ?
期刊名称：Annals of Agricultural and Environmental Medicine
印刷版ISSN：1232-1966
电子版ISSN：1898-2263
出版年度：2009
卷号：16
期号：01
页码：37-37
出版社：Institute of Agricultural Medicine in Lublin
摘要：Traditionally, allergic contact dermatitis (ACD) has been associated with the
activity of Th1 lymphocytes that secrete interferon gamma. Recent evidence indicates
that other cells, e.g. interleukin 5 (IL-5)-secreting Th2 or Tc2 cells may be among the key
effectors of ACD. The aim of the present study was to assess the infl uence of nickel-specifi
c IFN-gamma secretion (marker of Th1 and Tc1 activity) and IL-5 secretion (Th2 and
Tc2) on the clinical outcome (patch test score) in nickel-allergic patients. 40 women with
suspicion of ACD were involved, aged from 14–54 (median 31.5) years. They were patch
tested with NiSO4. Peripheral blood mononuclear cells (PBMC) from the patients were
cultured and analysed for IFN-gamma and IL-5 secretion in response to NiSO4. A series
of statistical models (classical logit or cloglog link function) were used. We demonstrate
that nickel-specifi c IL-5 secretion by PBMC is correlated with the intensity of patch test
reaction (p=0.05), with no signifi cant effect of IFN-gamma. An increase in the nickelspecifi
c IL-5 secretion from PBMC by 10 pg/ml is associated with a 10–20% increase
(depending on statistical model) in the odds ratio of the patient to have a higher patch test
score. These fi ndings support the assumption that cells secreting IL-5 (e.g. Th2, Tc2) play
a more important role in the pathogenesis of ACD than previously thought.
