期刊
EXPERIMENTAL DERMATOLOGY
卷 23, 期 10, 页码 736-741出版社
WILEY
DOI: 10.1111/exd.12525
关键词
acid; atopic dermatitis; atopic march; Dermatofagoides pteronyssinus; oxazolone
类别
资金
- National Research Foundation of Korea [2012R1A1A4A01013614]
- National Research Foundation of Korea [2012R1A1A4A01013614] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Long-standing or repeated skin barrier damage followed by atopic dermatitis (AD) is the initial step of the atopic march that eventually progresses to respiratory allergies. Maintenance of an acidic pH in the stratum corneum (SC) is an important factor for normal skin barrier function. We performed this study to determine whether an oxazolone (Ox)-induced AD murine model can develop airway inflammation by topical application and nasal inhalation of a house dust mite, Dermatofagoides pteronyssinus (Dp), which is a novel atopic march animal model', and whether an acidic SC environment, made by repeated application of acidic cream, can interrupt this atopic march. During repeated treatment with Ox and Dp to make an atopic march murine model, acidic cream (pH 2.8) and neutral cream (pH 7.4) adjusted by citric acid and sodium hydroxide mixed with vehicle were applied twice daily. Repeated treatment with Ox and Dp to hairless mice induced AD-like skin lesions followed by respiratory allergy, defining it as an atopic march model. Acidic cream inhibited the occurrence of respiratory allergic inflammation as well as AD-like skin lesions. These results indicate that a novel atopic march animal model can be developed by repeated topical and nasal treatments with house dust mite on Ox-induced AD mice and that the acidification of SC could be a novel intervention method to block the atopic march.
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