瓜蔞仁이 장기간 고용량 corticosteroid 투여 hairless mouse의 피부장벽에 미치는 영향
Effect of Seed of Trichosanthes kirilowii on the Skin Barrier of High Dose Corticosteroid Injected hairless Mouse
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Objective : Prolonged use of systemic corticosteroids negatively impacts skin barrier function. Corticosteroids have a major role in the practical management of many diseases, so it is necessary to find the drug or supplement which could keep the skin healthy during the systemic corticosteroids therapy. Seed of Trichosanthes kirilowii was commonly used for pulmonary disease in traditional Chinese medicine. Many studies have investigated and found that seed of Trichosanthes kirilowii has anti-bacterial, anti-HIV, anti-tumor and immunoregulatory functions. This study was performed to investigate the effect of seed of Trichosanthes kirilowii on the Skin Barrier. Method : Triamcinolone 0.4㎎ was injected male hairless mice for 5 weeks ( 2 times a week, totally 10 times). Just before the first injection, hairless mice were divided into 3 groups; Control ( normal saline medicated group ), GroupA( seed of Trichosanthes kirilowii qd/day medicated group ) and GroupB( seed of Trichosanthes kirilowii bid/day medicated group ). Body weight of all the groups were checked during the experiment. After 10th injection, TEWL (Transeidermal water loss) of 3 groups were artificially increased by 9 times tape stripping and the changes of TEWL were checked at before stripping, right after, 2h, 4h, 6h, 24h, 48 and 72h later after stripping. AST, ALT and CBC were also checked. Indeed, stratum corneum of 3 groups were also examined and compared with that of normal hairless mouse. Results : 1. GroupB showed significantly lower body weight among three groups 2. There was no statistical difference at AST, ALT and CBC among three groups 3. GroupB was showed significantly lower TEWL than TEWL of Control at 48h later. 4. GroupB recovered it's TEWL of before tape stripping at 24h later. GroupA recovered that at 48h and Control recovered that at 72h later at the same condition 5. Stratum corneum of GroupA and GroupB were looked almost normal and healthy. On the contrary, stratum corneum of Control was looked thin and unhealthy. Conclusions : Seed of Trichosanthes kirilowii has some effects on skin barrier function, especially TEWL of high dose corticosteroids injected hairless mouse and the efficacy seemed to be related with the dosage.
Abstract
Objective : Prolonged use of systemic corticosteroids negatively impacts skin barrier function. Corticosteroids have a major role in the practical management of many diseases, so it is necessary to find the drug or supplement which could keep the skin healthy during the systemic corticosteroids therapy. Seed of Trichosanthes kirilowii was commonly used for pulmonary disease in traditional Chinese medicine. Many studies have investigated and found that seed of Trichosanthes kirilowii has anti-bacterial, anti-HIV, anti-tumor and immunoregulatory functions. This study was performed to investigate the effect of seed of Trichosanthes kirilowii on the Skin Barrier. Method : Triamcinolone 0.4㎎ was injected male hairless mice for 5 weeks ( 2 times a week, totally 10 times). Just before the first injection, hairless mice were divided into 3 groups; Control ( normal saline medicated group ), GroupA( seed of Trichosanthes kirilowii qd/day medicated group ) and GroupB( seed of Trichosanthes kirilowii bid/day medicated group ). Body weight of all the groups were checked during the experiment. After 10th injection, TEWL (Transeidermal water loss) of 3 groups were artificially increased by 9 times tape stripping and the changes of TEWL were checked at before stripping, right after, 2h, 4h, 6h, 24h, 48 and 72h later after stripping. AST, ALT and CBC were also checked. Indeed, stratum corneum of 3 groups were also examined and compared with that of normal hairless mouse. Results : 1. GroupB showed significantly lower body weight among three groups 2. There was no statistical difference at AST, ALT and CBC among three groups 3. GroupB was showed significantly lower TEWL than TEWL of Control at 48h later. 4. GroupB recovered it's TEWL of before tape stripping at 24h later. GroupA recovered that at 48h and Control recovered that at 72h later at the same condition 5. Stratum corneum of GroupA and GroupB were looked almost normal and healthy. On the contrary, stratum corneum of Control was looked thin and unhealthy. Conclusions : Seed of Trichosanthes kirilowii has some effects on skin barrier function, especially TEWL of high dose corticosteroids injected hairless mouse and the efficacy seemed to be related with the dosage.
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