期刊
PHYTOTHERAPY RESEARCH
卷 27, 期 1, 页码 21-29出版社
WILEY-BLACKWELL
DOI: 10.1002/ptr.4684
关键词
neuronal development; neuritogenesis; hippocampal neuron; marine macroalgae; Gelidium amansii
资金
- Global Healthcare Industry RIS center, Ministry of Knowledge Economy, Korea
- National Institute for International Education (NIIED), Korea
Neurotrophic factors are vital not only to support neuronal development but also to protect mature neurons from atrophy in neurodegenerative diseases. As an effort to explore natural sources that possess neurotrophic activity, we screened common marine algae for their neuritogenic activity in the developing rat hippocampal neurons in culture. Of the 22 seaweed species examined, ethanol extracts of Gelidium amansii (GAE) exhibited potent neuritogenic activity, followed by Undaria pinnatifida and Sargassum fulvellum extracts. The effects of GAE were dose dependent with an optimum concentration of 15 mu g/mL. The GAE significantly promoted the initial neuronal differentiation from the stage I into the stage II and increased the indices of axonal and dendritic development such as the length, the numbers of primary processes, and branching frequencies by a minimum of twofold compared with the vehicle control. These results show that marine algae are promising candidates for neurotrophic potentials. Copyright (C) 2012 John Wiley & Sons, Ltd.
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