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KMID : 0363420150290020001
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Journal of Korean Oriental Pediatrics
2015 Volume.29 No. 2 p.1 ~ p.15
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Effects of Cicadae Periostracum (CP) in Allergic Contact Dermatitis (ACD) Induced by DNCB in Mice
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Kim Bit-Na-Rae
Chai Jung-Won
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Abstract
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Objectives: In the theory of Korean Medicine, Cicadae Periostracum (CP) has been used to treat skin diseases such as inflammatory dermatitis, tetanus and pruritus. CP can reduce heat and disperse wind. In prior studies, anti-allergic effect and anti-inflammatory effect of CP were reported. However, there has been no report regarding the correlation of CP and allergic contact dermatitis (ACD). This study was performed to show the effects of CP in ACD induced by 2,4-dinitrochlorobenzene (DNCB) in mice.
Methods: In this experiment, the effects of CP on biological changes were measured, such as changes in ear and spleen weight, ear and dorsum skin thickness, clinical aspect on the dorsum skin and histological changes. The effect of proliferation rate of splenocytes was also investigated in vitro and vivo study.
Results: In results, CP application (CPA) group and CP application and administration (CPAA) group were significantly restrained in ear weight gain and increase in ear and dorsum skin thickness compared to the control group. In addition, CPA and CPAA group showed diminished erythema, desquamation, bloodstain, and marks. Also, the histological assessment showed that CP treatement diminished thickness of epidermis, hyperkeratosis, pigmentation and parakeratosis.
Conclusions: In conclusion, these data suggest that CP can decrease symptoms of ACD.
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KEYWORD
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Cicadae Periostracum (CP), Allergic contact dermatitis (ACD), 2, 4-dinitrochlorobenzene (DNCB)
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