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KMID : 0380620080400050522
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Korean Journal of Food Science and Technology
2008 Volume.40 No. 5 p.522 ~ p.527
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Enhancement of Skin Immune Activation Effect of Collagen Peptides Isolated from Asterias amurensis
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Jung Hyang-Suk
Kwak Hyeong-Geun
Hwang Bo-Young
Kwon Min-Chul
Han Jae-Gun
Ha Ji-Hye
Kim Ryung
Lee Hyeon-Yong
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Abstract
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Low molecular peptides were isolated from Asterias amurensis via SDS-PAGE. The peptides were separated via consecutive gel filtration as five fractions (F1-F5) according to molecular weights, based on the results of MALDITOF MS analysis. The molecular weight of the most active peptide was estimated as 15,000 daltons. The peptide showed cytotoxicity on normal human fibroblast cells at levels as low as 20% when 1.0 mg/mL of the samples was added. The peptide also exhibited higher levels of nitric oxide production from macrophages than the lipopolysaccaharides. It was determined that prostaglendin E2 production was significantly inhibited, up to 127.8% as compared to the control. The low molecular peptide inhibited hyaluronidase activity as 535.7 μg/mL of IC50. It can be concluded that the relatively low molecular weight peptide, fucoidan, from A. amurensis has excellent cosmetic and immunomodulatory activities, which can be considered as a possible resource of new cosmetic agents for skin immunomodulation.
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KEYWORD
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Asterias amurensis, low molecular peptide, collagen, prostaglendin E2, hyaluronidase, skin immunomodulation
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