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KMID : 1189420050180010116
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Journal of Korean Oriental Medical Ophthalmology & Otolaryngology & Dermatology
2005 Volume.18 No. 1 p.116 ~ p.134
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Effects of Sopoongsangagambang Administration along with External Spray Treatment on Atopic Dermatitis Development in NC/Nga Mice
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Min Young-Gyu
Kim Jong-Han
Park Su-Yeon
Choi Jung-Hwa
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Abstract
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Although the parallel prescription of Sopoongsangagambang (SG) administration along with external treatment such as spraying or ointment application on the skin is clinically used for the treatment of atopic dermatitis (AD), molecular mechanism underlying its effectiveness is unknown. Thus in the present study, diverse immune responses in terms of chemical mediators related to AD were investigated using an atopic mouse model NC/Nga after SG administration and external treatment (ET), and major findings are summarized as follows. 1. The clinical severities in 16 and 20 week old NC/Nga mice with SG and ET treatment were decreased to 72.2% and 62.3% respectively compared to the control NC/Nga mice with no drug treatment. 2. IgE, IL-4, IL-5, IL-6, IL-13, IgM, IgG1 and IgG2a levels in the serum of SG and ET treated NC/Nga mouse group were significantly decreased compared to the untreated control mice. In contrast, IFN-r showed a significant increase in the experimental group compared to the untreated control group. 3. The spleen weight of SG and ET treated NC/Nga mice was significantly decreased compared to the untreated control group. 4. The B/T ratio in the lymph node of SG and ET treated NC/Nga mice was increased compared to the untreated control group. CD4? and CD8? cell numbers in the lymph node of SG and ET treated NC/Nga mice were significantly increased compared to the untreated control group, but CD69? and CD11a? cells were significantly decreased. 5. mRNA expression levels of IL-4, IL-5, and CCR3 in the skin tissues of SG and ET treated NC/Nga mice were significantly decreased, and expression levels of IL-6, IL-13, CD69?/CD3?? and CD19?/CD44? in the skin tissues of SG and ET treated NC/Mga mice were significantly decreased compared to the untreated control group. IFN-r mRNA expression levels were increased compared to the untreated control group. 6. Histological observation of the ear and neck skin tissues showed that the extents of inflammation and infiltrated immune cells in the epidermis and dermis of SG and ET treated NC/Nga mice were highly reduced compared to the untreated control group. 7. Lymphokine assay showed a significant decrease in IL-4 levels in SG and ET treated NC/Nga mice compared to the untreated control group, but the levels of IFN-r secretion were significantly increased drug treated NC/Nga mice.
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KEYWORD
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Sopoongsangagambang, Externaltreatment, Atopicdermatitis
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