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KMID : 1123920170310060356
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Korean Journal of Oriental Physiology and Pathology
2017 Volume.31 No. 6 p.356 ~ p.361
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Investigation of Antioxidant Activity of Houttuyniae Herba and its Effect on 5α-reductase Gene Expression in Dermal Papilla Cells
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Cho Nam-Joon
Lee Byeong-Kwon
Lee Woong-Hee
Kim Kee-Kwang
Han Hyo-Sang
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Abstract
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Houttuyniae Herba is widely used as a cosmetic for enhancing hair growth, and study on promoting mouse hair growth has also been reported. However, studies on the effects of the Houttuyniae Herba on dermal papilla (DP) cells, which play an important role in hair growth, are not well known. For this reason, we studied the effect of Houttuyniae Herba on DP cells. The strong antioxidant activity of Houttuyniae Herba was confirmed by ABTS assay. In the MTS assay, cell viability was reduced to 94.5% in DP cells by treatment of 2 mg/ml concentration of Houttuyniae Herb and cytotoxicity was not observed at 1 mg/ml concentration. The mRNA expression levels of Bone morphogenetic pretein (BMP6), fibroblast growth factor 7 (FGF7), FGF10, and β-galactosidase genes, which are involved in hair growth cycle and hair loss induction, were measured by quantitative RT-PCR after Houttuyniae Herbtreatment. Houttuyniae Herb did not significantly affect mRNA expression of BMP6, FGF7, FGF10, and β-catenin, which are important factors for regulating the hair cycle, including type 1 5α-reductase. However, mRNA expression of type 2 5α-reductase, the major cause of male hair loss, was significantly reduced to 56.1% by treatment of Houttuyniae Herbtreatment. Taken together, these results suggest that the Houttuyniae Herbtreatment can help to treat lair loss through removing free radicals and suppression of the expression level of type 2 5α-reductase in DP cells.
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KEYWORD
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Houttuyniae Herba, Antioxidant effect, Dermal papilla cell, Cytotoxicity, Type 2 5α-reductase
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