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KMID : 1098420090170020133
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Korean Journal of Medicinal Crop Science
2009 Volume.17 No. 2 p.133 ~ p.138
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Nelumbo nucifera Leaves Extract Reduced the Production of Hepatitis B Surface Antigen on HepG2.2.15
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Lee Yun-Hee
Lee Seong-Gene
Kang Li-Jung
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Abstract
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Nelumbo nucifera (lotus) is known to be a useful medicinal plant and leaf extract contains several flavonoids and alkaloids. To analyze the effect of Nelumbo nucifera leaves extract (NNL) on the HBsAg production, we treated NNL on HepG2.2.15 cells which contain the hepatitis B viral genome and secrete surface antigen into media. NNL suppressed the production of hepatitis B surface antigen as a dose-dependent manner. To analyze the effect of NNL on HBV DNA replication, PCR analysis was performed. NNL was not affected the HBV DNA replication and HBsAg mRNA expression. To understand the effect of NNL on the production of HBsAg, we carried out the analysis of lipid-metabolizing gene expression using one-step RT-PCR. NNL reduced the gene expression of FASN and SREBP2 and increased the expression of LDLR. Triglyceride content of HepG2.2.15 cells was not decreased by treatment of NNL. This result suggests a possibility that NNL may have an effect for the inhibition of hepatitis B surface antigen by modulation of lipid and cholesterol metabolism.
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KEYWORD
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Hepatitis B Virus, HepG2.2.15, HBsAg, Lipid Metabolism, Nelumbo nucifera
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