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( Yurry Um ),( Mei Lan Jin ),( Ok Tae Kim ),( Young Chang Kim ),( Seong Cheol Kim ),( Seon Woo Cha ),( Ki Wha Chung ),( Serim Kim ),( Chan Moon Chung ),( Yi Lee ) 한국육종학회 2016 Plant Breeding and Biotechnology Vol.4 No.1
Panax ginseng has been one of the most important herbal medicines used in Eastern Asia. Recently, various molecular markers have been developed to authenticate Panax species, but these markers cannot differentiate the exact varieties or variants of Korean ginseng cultivars. In this study, six cultivars of Korean ginseng (Chunpoong, Yunpoong, Gopoong, Gumpoong, Jakyung, and Hwangsook), P. quinquefolius, and P. notoginseng were differentiated by simple sequence repeat (SSR) marker development. Specific primer sets were designed for the 54 candidate sequences containing SSRs that were predicted. Finally, eight polymorphic SSR loci were developed. DNA fragment analysis was performed using fluorescence-labelled primers for the amplicons. Reproducibility tests were carried out using multiple samples of Korean ginseng cultivars and Panax species. Eight primer sets (PgSSR07, PgSSR08, PgSSR09, PgSSR17, PgSSR37, PgSSR40, PgSSR51, and PgSSR53) showing polymorphism were used for phylogenetic relationship analysis. Consequently, six Korean ginseng cultivars (Chunpoong, Yunpoong, Gopoong, Gumpoong, Jakyung, and Hwangsook), P. quinquefolius, and P. notoginseng could be identified using the combination of SSR markers discovered.
Characterization and Immunopotentiating Effects of the Glycoprotein Isolated from Dioscorea Batatas
Huong, Pham Thi Thu,Lee, Chan-Ho,Li, Mei-Hong,Lee, Min-Young,Kim, Joon-Ki,Lee, Sun-Mee,Seon, Jong-Heum,Lee, Dong-Cheol,Jeon, Young-Jin The Korean Society of Pharmacology 2011 The Korean Journal of Physiology & Pharmacology Vol.15 No.2
We demonstrate that glycoprotein isolated from Dioscorea batatas (GDB) has immunostimulatory effects including macrophage activation. Analysis of infiltration of inflammatory cells into peritoneal cavity showed GDB treatment significantly increased the recruitment of macrophages, lymphocytes, neutrophils, and monocytes into the peritoneal cavity. Treatment of spleen cells isolated from C57BL/6 mice with GDB significantly increased the proliferation of B cells and T cells induced by LPS and ConA, respectively. Treatment with GDB significantly increased the cytolytic capacity of NK cells and macrophages against YAC-1 and B16 cells, respectively. In order to further confirm and investigate the mechanism of GDB on macrophage activation, we analyzed the effects of GDB on the cytokine expression including iNOS, IL-1${\beta}$, and TNF-${\alpha}$ in mouse macrophage cell line, RAW 264.7 cells. RT-PCR and ELISA showed that GDB increased the expression of IL-1${\beta}$, and TNF-${\alpha}$, whereas iNOS was not induced by GDB. Collectively, this series of experiments indicates that GDB stimulates immune system including macrophage activation.