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허승담,박달수,고경민,김문관,손원근,이두식,신태균 한국수의공중보건학회 2003 예방수의학회지 Vol.27 No.3
The cactus (Opuntia ficus-indica) extract has been claimed to have several biological activities including anti-inflammation in oriental medicine. The objective of this study was to determine the antibacterial activity of cactus fruit commentation in cultured olive flounder. Fermentation of cactus fruit was prepared by mixing cactus fruit and commercially available effective microorganisms for 2 weeks in room temperature. We have tested in vitro antibacterial effect of fermented cactus on fish pathogen, fermented cactus on fish pathogen, Streptococcus sp., which was originated from the cultured fish (Paralichthys olivaceus). To see the effect of fermented cactus fruit on cultured fish, the fish was fed an experimental diet supplemented with 1.0% of cactus fruit fermentation f3r 3 months, and infected intraperitoneally with Streptococcus sp. In vitro test, it was found that fermented cactus fruit effectively inhibited growth of Streptococcus sp.. In the pathogenicity test, there was less mortality rates in the cultured fish fed fermented cactus fruit compared with those of non-fed controls. These results suggest that fermented cactus fruit is one of potential antibacterial property in cultured olive flounder.
안미정,허승담,지영흔,주홍구,이용덕,심기범,신태균,Ahn, Mee-jung,Heo, Seung-dam,Jee, Young-heun,Joo, Hong-gu,Lee, Yong-duk,Sim, Ki-Bum,Shin, Tae-kyun The Korean Society of Veterinary Science 2003 大韓獸醫學會誌 Vol.43 No.4
The phosphorylation of extracellular signal-regulated kinases (p-ERK) in the spinal cord of rats with acute monophasic experimental autoimmune encephalomyelitis (EAE) was studied using immunohistochemistry and treatment with inhibitor. P-ERK is constitutively expressed in glial cells in the normal spinal cord. In EAE, some inflammatory cells in the subarachnoid space were positive for p-ERK at the early stage, and its immunoreactivity declined when those cells infiltrated the parenchyma at the peak stage. In a blocking experiment using its inhibitor, the intravenous administration of PD98059 from day 7 to 13 post-immunization did not modulate EAE paralysis. Considering the results, we postulate that intravenous administration of PD98059 is not effective in ameliorating EAE paralysis, although many inflammatory cells express ERK in the subarachnoid space.