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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 154 - 161 (8page)
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이 논문의 연구 히스토리 (3)
2014
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The purpose of this study is to evaluate the antioxidant activity and hair growth effects of a natural herbal ethanol extract, Samhwang-Sasimtang(SS). In case of antioxidant ability of SS, the content of phenolic compounds was 28.44mg/g. The extract showed strong electron donating ability and free radical scavenging activity in a concentration-dependent manner. SOD-like activity also rose through increasing the concentrations of SS. In order to estimate the hair growth effects, the extract was applied to the back of seven-week-old C57BL/6 male mice ($150{\mu}{\ell}$ a day, five days a week, for four weeks) in four groups (C, control, saline; PC, positive control, 3% minoxidil; E1, experimental 1, 1% SS; E2, experimental 2, 2% SS). Ten mice were assigned to each group and five mice in each group were sacrificed at weeks 2 and 4, respectively. There was no a significant difference in body weight change among experimental groups. In macroscopic observation of hair growth at week 4, the scores of hair growth on the backs of mice were 80, 60, 40 and 20% in the PC, E2, E1 and C groups. In terms of histological observation, the ratio and thickness of hair follicles, the enzyme activities of ALP and ${\gamma}$-GT, immunohistological examination of IGF-1 and VEGF which are the hair growth factors, in each group were significantly high in this order: PC, E2, E1 and C group, at week 4. Meanwhile, hair growth inhibition factors, TGF-${\beta}1$ and Caspase-3, were reduced in PC, E1 and E2 groups compared with C group. These results indicate that SS extract may be effective in promoting hair growth, and suggest that it can be used practically as a superior natural agent for hair growth promotion.
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