期刊
JOURNAL OF IMMUNOTOXICOLOGY
卷 8, 期 1, 页码 46-55出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/1547691X.2010.543096
关键词
Oxidative hair dyes; type 1 allergy; cytokine profiling
类别
1,4-Phenylenediamine (PPD) and the structurally-related 1,4-toluenediamine (PTD) are frequently used oxidative hair dye precursors that can induce a delayed-type hypersensitivity reaction known as contact allergy. Very rare cases of Type 1 (IgE-mediated) allergic responses associated with PPD or PTD have been reported among hair dye users. As part of an effort to determine if repeated dermal exposure to the dyes could induce a T-helper-2 (T(H)2) response, we used a dermal exposure regimen in mice reported to identify a T(H)2 response. Ear swelling was evident at post-final exposure to PPD and PTD, indicating that an immune response was observed. However, cytokine mRNA after repeated topical exposure to these two chemicals showed no shift in the expression toward the typical T(H)2 cytokines interleukin (IL)-4 and IL-10 compared to the T(H)1 cytokine interferon (IFN)-gamma gamma. Consistent with these cytokine profiles, no concomitant increase in total serum IgE antibody titer or in B220
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