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KMID : 0613820080180060897
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Journal of Life Science
2008 Volume.18 No. 6 p.897 ~ p.901
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Deep Seawater Increases Dendritic Branches of Cultured Rat Hippocampal Neurons
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Lee Hyun-Sook
Nam Kyung-Soo
Shon Yun-Hee
Moon Il-Soo
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Abstract
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Deep seawater (DSW; deep ocean water) is pure, rich in inorganic materials which have attracted attention for various applications. In this study we investigated the effects of the DSW upwelled from the East Sea, offshore Yang Yang (Korea) on the morphological differentiation of cultured rat hippocampal neurons, which were grown in the minimal essential medium containing 10% (v/v) fetal bo-vine serum and 25% (v/v) DSW with various hardness. DSW had no effect on initial morphological differentiation (17 hr post-plating). When observed on DIV3, 7, 14, and 17, low hardness (0 and 200) DSW reduced dendritic branching. However, dendritic branches within 80 μm diameter from the center of soma nearly doubled in neurons grown in hardness 1,000 DSW-containing media. DSW with hardness 600 was more or less same as control groups. These results indicate that DSW with appropriate hardness ameliorates neuronal health.
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KEYWORD
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Branch, culture, deep seawater, dendrite, hippocampal neuron
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