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KMID : 1134820150440111621
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Journal of the Korean Society of Food Science and Nutrition
2015 Volume.44 No. 11 p.1621 ~ p.1628
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Comparison Study of Immunomodulatory Activity of Polysaccharide and Ethanol Extracted from Sargassum fulvellum
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Byun Eui-Hong
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Abstract
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The immune system plays an important role in maintaining and protecting human health. In the present study, comparison of immuno-modulatory activities between polysaccharides (SFP) and ethanol (SFE) extracts separated from Sargassum fulvellum in macrophages and murine splenocytes were investigated. Immuno-modulatory activities of macrophages were estimated based on cell proliferation, nitric oxide (NO), inducible NO synthase (iNOS), and cytokine production in RAW 264.7 macrophage cells, and lipopolysaccharide was used as a positive control. SFP and SFE treatment did not affect cytotoxicity in RAW 264.7 macrophage cells, and SFP treatment significantly increased NO and cytokine production (TNF-α, IL-6, and IL-1β), whereas SFE did not contribute to the increase in NO and cytokine production. In the case of splenocytes, SFP treatment increased splenocyte proliferation and also highly increased production of Th-1 type cytokines (IL-2 and IFN-γ) than those of SFE. Through this study, we confirmed that immuno-modulatory activities of Sargassum fulvellum may be due to polysaccharide extracts and this can be a potential nutraceutical.
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KEYWORD
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Sargassum fulvellum, polysaccharide, ethanol extracts, immuno-modulatory activity, cytokine
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