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- W1569343352 abstract "Objective : Ultraviolet irradiation is the major external factors that cause skin photoaging. Ultraviolet B (UVB) irradiation induces the production of matrix metalloproteinase (MMP) by activating cellular signaling transduction pathways, which are responsible for the degradation of collagen. The imbalance between collagen degradation and synthesis play a major role in the formation of wrinkle of photoaging. Broccoli ( Brassica oleracea L. var. italica Plenck) is a crucciferae group vegetables which has a great amount of antioxidant. The aim of this study is to prove whether broccoli flower extract (BFE) as an effective antiphotoaging agent by a MMP-1 inhibitor action in vitro. Methods : An experimental (in vitro) study had been conducted using UVB irradiated primary human skin fibroblast culture. We studied the MMP-1 inhibitory effects of BFE on photoaging. The quantification of MMP-1 mRNA expression was done by Realtime RT-PCR while the protein expression assay was done by ELISA. Results : Pretreatment with BFE decrease MMP-1 expression both at MMP-1 mRNA and MMP-1 protein expression. There were significant differences of mean value of MMP-1 mRNA and MMP-1 protein expression between every group based on irradiation dose (p<0.05) and BFE concentration (p<0.05). There were also interaction between irradiation dose and BFE concentration (p<0.05). We found there were negative correlation between BFE concentration and either MMP-1 mRNA or protein expression. There was positive correlation between MMP-1 at mRNA level with protein level. Conclusion : BFE prevents UVB-induced MMP-1 expression both at mRNA and protein level, therefore BFE might be used as a potential agent for skin photoaging. Keywords : broccoli flower extract, photoaging, matrix metalloproteinase-1, human skin fibroblast" @default.
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- W1569343352 date "2014-01-01" @default.
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- W1569343352 title "Effect of Broccoli Flower Extract (Brassica oleracea L. var.italica Plenck) on Inhibition of Photoaging Viewed from Matrix Metalloproteinase-1 Expression in Human Skin Fibroblast" @default.
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