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        검색결과 15

        11.
        2017.10 구독 인증기관·개인회원 무료
        The antioxidant and antitumor properties of natural products, often recognized in traditional medicine systems, represent therapeutic modalities to reduce or prevent uncontrolled oxidation processes which in turn potentially ameliorate or tumor based symptoms of chronic diseases. We have studied the antioxidant and antitumor effects of Amanita muscaria (A. muscaria) in vitro and examined whether the A. muscaria has synergistic effects on antioxidant and antitumor properties. Although A. muscaria induced a dose-dependent increase in antioxidant activity, the latter has a consistently higher antioxidant effect. In mouse monocytes, the lipopolysaccharide- (LPS-) induced tumor necrosis- (TNF-) synthesis was significantly inhibited by A. muscaria in a dose dependent manner and synergistic effects were clearly demonstrated with the A. muscaria on TNF- inhibition. A. muscaria effect was also evident on inhibition of nuclear factor-kappa B activity, cyclooxygenase-II activity, and lipid peroxidation in mouse monocytes. This presented results may be a starting point for a comprehensive characterization of biological effects of A. muscaria.
        12.
        2012.10 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The present study purposed to examine the effects of transcutaneous electrical nerve stimulation, self-stretching and functional massage on the recovery of muscle contraction force for muscle fatigue caused by sustained isotonic contraction. The subjects of this study were 45 healthy students. They were divided into transcutaneous electrical nerve stimulation group(n=15), self-stretching group(n=15) and functional massage group(n=15), and using Primus RS. We observed the pattern of changes in maximal voluntary isometric contraction force(MVIC) after causing muscle fatigue in quadriceps femoris muscle through sustained isotonic contraction. Maximal voluntary isometric contraction force(MVIC) were greatly increased after transcutaneous electrical nerve stimulation, self-stretching and functional massage. In the comparison of recovery rate of muscle contraction force for muscle fatigue caused by sustained isotonic contraction among the treatment groups, it did not show any significant differences. However, it showed that each treatment may be effective in recovery of muscle fatigue caused by sustained isotonic contraction.
        4,000원
        13.
        2010.10 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study aims to reveal how EA affects BAX and NF-kB involved in cell deaths from global ischemia, and to do this, observes the changes of BAX and NF-kB caused by EA application after transient global ischemia. The experimental method is to give rise to global ischemia and apply EA to 27 SD rats with the particulars of being six-week-old, male, around-300 gram-weighing, and adapted to laboratory environment for more than a week, and divide them into three groups, that is, GV20 EA group(n=9), L14 EA group(n=9), no-treatment GI group(n=9), and then observe their changes of BAX and NF-kB at the time lapse of 6 hours, 9 hours and 12 hours after ischemia, using western blotting. The numerical decrease of BAX expression at the time lapse of 9 hours after EA application, though not statistically significant, was observed in GV20 EA group and L14 EA group, and the NF-kB expression appeared statistically significant decrease in GV20 EA group and L14 EA group, but the expression was higher in the group with EA application. Therefore, EA application at the early phase of global ischemia is considered to affect BAX and NF-kB and play a positive role in decreasing apoptosis and cell deaths by inflammation.
        4,000원
        15.
        2004.09 KCI 등재 서비스 종료(열람 제한)
        This paper explores a governing condition on the extraction from the NPs. According to Fiengo & Higginbotham (1981), "specificity condition" blocks the extraction from the NPs having `some definite reference.` However, the extraction out of the NPs does not seem to be governed only by the specificity condition. As indicated by Erteschik-Shir (1973) and Horn (1974), the presence of an indefinite determiner in and of itself does not suffice to rule in extraction and the acceptability of extraction also appears to depend to some extent on the choice of verb. The extraction from the NPs seems to depend on the actual interpretation of the NPs rather than on the choice of determiner. In this paper, we present an account of the extractability from the NPs based on the focus property of the NPs. Following Lee (2004), we assume that the focus-marked object remains in situ within VP, whereas the given or presuppositonal material moves out of VP to receive an appropriate interpretation (i.e., specificity, topic, etc.). The NP which has a non-presuppositional or existential reading can be focus- marked. Hence, it remains inside the VP without movement. The extraction from the NP is allowed. By contrast, the non-focus-marked NP raises to the Spec of v to satisfy the EPP of v. The extraction from the moved NPs is blocked.