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- W1978695555 abstract "Propolis extracts는 다양한 성분으로 구성되어 있는 수지상의 혼합물로서 여러 약리작용을 보여주기 때문에 민간요법으로 널리 이용되어왔다. 특히 propolis extracts는 독성이 거의 없다는 장점 때문에 면역증강제재로서 활용가능성이 높게 평가되고 있다. 이에 본 실험에서는 대상으로 in vitro 및 in vivo상에서 propolis extracts가 양식넙치 면역반응에 미치는 영향을 조사하였다. In vitro상에서 propolis extracts가 PBL의 탐식능 및 NBT assay활성능에 미치는 영향을 조사 한 바 유효농도는 <TEX>$50{sim}150{mu}g/ml$</TEX> 이었으며, 가장 활성이 높은 농도는 <TEX>$100{mu}g/ml$</TEX> 이었다. In vivo상에서 양식넙치에 propolis extracts를 단독 또는 S. iniae 불활화 균액과 혼합하여 어체에 투여 후에 면역반응에 미치는 영향을 조사하였다. Haematocrit치는 propolis extracts단독 및 vaccine과 혼합 처리 할때 유의적 차이를 보이지 않았다. 그렇지만, 혈청 lysozyme과 신장대식세포의 탐식능, 활성산소 환원능 및 항체가는 propolis extracts+vaccine 투여구에서 유의적으로 증가하였다. 이러한 결과들에 의하여 propolis extracts는 양식넙치에서 특이적 및 비특이적 면역증강작용이 우수하므로 향후 양식어류에 있어서 비특이적 면역증강 물질 및 adjuvant로 활용가능성이 기대되어진다. Propolis is a beehive product with a very complex chemical composition, widely used in folk medicine because of its several therapeutic activities. This study was conducted to measure the efficacy of propolis on non-specific defense reactions, specific immune response, and protection levels against pathogen challenge with Streptococcus iniae. in vitro and in vivo. In vitro, the phagocytic activity and NBT assay of peripheral blood leukocytes (PBL) were evaluated in a various propolis extractsconcentrations (0, 10, 50, 100, 150, 250 and <TEX>$500{mu}g/ml$</TEX>). The optimal concentration showing activation of propolis extracts was determined to <TEX>$100{mu}g/ml$</TEX>. In vivo, they were divided into four groups (PBS, propoli extractss, vaccine, propolis extracts + vaccine) in vivo. Fish were received i.p. injection of either PBS or propolis extracts, and in the presence or absence of formalin inactivated S. iniae (<TEX>$1{times}10^8$</TEX> CFU/fish), respectively. The level of haematocrit is not affected among experimental groups. The phagocytic activity and the NBT reduction activities of head kidney phagocyte were markedly (p<0.05)augmented in the propolis extracts groups than in the PBS-control group, respectively. The level of serum lysozyme activity was significantly (p<0.05) increased in the propolis extracts treated groups than in the PBS-control group. The agglutinin titer was significantly (p<0.05) enhanced in the vaccine+propolis extracts group than in the vaccine group, but there was no difference between PBS-control and propolis treated group. The results of the present study suggest that propolis extracts seems to be a promising compounds of non-specific immune stimulator, also being able to use a good adjuvant." @default.
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- W1978695555 date "2014-04-30" @default.
- W1978695555 modified "2023-10-05" @default.
- W1978695555 title "Effects of propolis extracts on the immune response in cultured flounder, Paralichthys olivaceus" @default.
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- W1978695555 doi "https://doi.org/10.7847/jfp.2014.27.1.047" @default.
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