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Effects of Water Extract of Liriope platyphylla on the mRNA Expression and Protein Secretion of Nerve Growth Factors  

Choi, Sun-Il (College of Natural Resources & Life Science, Pusan National University/PNU-Laboratory Animal Resources Center)
Park, Jee-Hee (Wellbeing Products Center, Pusan National University)
Her, Youn-Kyng (College of Natural Resources & Life Science, Pusan National University/PNU-Laboratory Animal Resources Center)
Lee, Yoen-Kyung (College of Natural Resources & Life Science, Pusan National University/PNU-Laboratory Animal Resources Center)
Kim, Ji-Eun (College of Natural Resources & Life Science, Pusan National University/PNU-Laboratory Animal Resources Center)
Nam, So-Hee (College of Natural Resources & Life Science, Pusan National University/PNU-Laboratory Animal Resources Center)
Goo, Jun-Seo (College of Natural Resources & Life Science, Pusan National University/PNU-Laboratory Animal Resources Center)
Jang, Min-Ju (Wellbeing Products Center, Pusan National University)
Lee, Hee-Sup (Wellbeing Products Center, Pusan National University)
Son, Hong-Ju (College of Natural Resources & Life Science, Pusan National University/PNU-Laboratory Animal Resources Center)
Lee, Chung-Yeol (College of Natural Resources & Life Science, Pusan National University/PNU-Laboratory Animal Resources Center)
Hwang, Dae-Youn (College of Natural Resources & Life Science, Pusan National University/PNU-Laboratory Animal Resources Center)
Publication Information
Korean Journal of Medicinal Crop Science / v.18, no.5, 2010 , pp. 291-297 More about this Journal
Abstract
Liriope platyphylla has been though as an useful medical plant to improve the cough, sputum, neurodegenerative disorders, obesity, and diabetes in Korea and China from old times. In order to investigate the effects of Liriope platyphylla on expression and secretion of nerve growth factor (NGF), the mRNA expression and protein secretion were detected in the neuronal cell (B35) and neuroglial cell (C6) cultured with three differences concentration (5%, 10%, 15%) of Liriope platyphylla. In MTT assay and FACS anslysis, the some death of some B35 and C6 cells were observed in 15% extract-treated group, while other groups did not induce the death. Also, the mRNA expression of NGF were significantly increased in 5% and 10% extracts treated-group. Furthermore, the NGF protein concentration in supernatant collected from cultured cells showed the very similar pattern with mRNA expression. In order to verify the activity of secreted NGF, the culture supernatant collected from B35 and C6 cells cultured with Liriope platyphylla extracts for 24 hrs were treated into undifferentiated PC12 cells, and the differentiation level of PC12 cell were also observed with microscopes. The differentiation level of PC12 cell were significantly increased depend on the dose of extract. Therefore, these results suggested that the water extracts of Liriope platyphylla may contribute the regulation of NGF expression and secretion in the neuronal cell and be considered as an excellent candidate for a neurodegenerative disease-therapeutic drug.
Keywords
Liriope platyphylla; Water Extracts; NGF; Neuronal Cell Differentiation;
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Times Cited By KSCI : 2  (Citation Analysis)
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