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Effects of Amomi, Semen Extract on Synthesis of Insulin-like Growth Factor-1 and Anti-wrinkle in Skin  

Choi Gyu Ho (Skin Research Institute, Amore Pacific R&D Center)
Kim Su Nam (Skin Research Institute, Amore Pacific R&D Center)
Lee So Hee (Skin Research Institute, Amore Pacific R&D Center)
Sung Dae Seok (Pharmaceutical & Health Research Institute, Amore Pacific R&D Center)
Son Eui Dong (Skin Research Institute, Amore Pacific R&D Center)
Lee Chang Hoon (Pharmaceutical & Health Research Institute, Amore Pacific R&D Center)
Lee Byeong Gon (Skin Research Institute, Amore Pacific R&D Center)
Jang Ih Seop (Skin Research Institute, Amore Pacific R&D Center)
Publication Information
Journal of the Society of Cosmetic Scientists of Korea / v.30, no.3, 2004 , pp. 389-392 More about this Journal
Abstract
We screened several materials to stimulate IGF-1 promoter activity using luciferase reporter assay and found that Amomi Semen extract (ASE) among them is the most powerful stimulator We also studied about the anti-wrinkle effect of ethanolic extract of Amoni Semen in vitro and in vivo. Semi-quantitative RT-PCR showed that the extract elevated the presence level of IGF-1 mRNA. And $[^3H]$ proline incorporation and semi-quantitative RT-PCR showed that the extract increased the expression of type-I collagen compared with vehicle in vitro and in vivo, respectively. Significant inhibition of MMP-1 expression was determined by ELISA and Western blot. Finally, topical treatment of the extract on hairless mouse's dorsal skin expanded the volume of collagen and dermal thickness. These results suggest that Amomi Semen may be a good candidate for improving extracellular matrix through the increase of collagen expression and inhibition of MMP-1 expression. Moreover, this study enables us to guess that IGF-1 stimulated by the extract may be involved in the mechanism of anti-wrinkle effect of it.
Keywords
amomi semen; IGF-1; wrinkle; collagen; MMP-1;
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