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환경오염원인 크롬의 세포독성에 대한 청미래덩굴추출물의 보호효과
오용열(Yong Leol Oh) 인간식물환경학회 2011 인간식물환경학회지 Vol.14 No.1
The purpose of this study is to evaluate the cytotoxicity of chromium and protective effect of Smilax china L.(SC) extract on glucose oxidase(GO)-induced cytotoxicity in the cultured C6 glioma cells. For this study, C6 glioma cells were treated in the media containing 15~30uM concentrations of chromium trioxide(CrO₃) for 72 hours, and cell viability and lactate dehydrogenase(LDH) activity with 1,1-diphenyl-2-picrylhydrazyl(DPPH)-radical scavenging activity were assessed on these cultures. In this study, CrO₃ decreased cell viability according to the treated dosage compared with control, and than the XTT₅₀ value was determined at 30uM CrO₃ in these cultures. In the protective effect of SC extract on CrO₃-induced cytotoxicity, both of an antioxidant, catalase and SC extract significantly increased cell viability which was decreased by CrO₃-induced cytotoxicity. SC extract also showed the antioxidative effect such as DPPH-radical scaveng activity and the decreased LDH activity. From these results, it is suggested that the cytotoxicity of chromium like CrO₃ is correlated with oxidative stress of reactive oxygen species(ROS), and also SC belong to Liliaceae showed the protective effect on the chromium-induced cytotoxicity by antioxidative effect in these cultures.
배양 인체피부섬유모세포에 있어서 알러지성 접촉피부염 유발제인 구리에 대한 쇠비름 추출물의 항산화 효과
오용열 ( Yong Leol Oh ),최유란 ( Yu Ran Choi ),장병수 ( Byung Soo Chang ),정인주 ( In Ju Jung ) 대한미용학회 2012 대한미용학회지 Vol.8 No.4
To elucidate the cytotoxicity and antioxidative effect of Portulaca oleracea L. (PO) extract on copper (Cu), an allergic contact dermatitis(ACD)-induced agent, cell viability were analysed by XTT assay after the treatment of cupric sulfate (CuSO4) to cultured human skin fibroblasts (Detroit 551). And also, the effects of vitamin E and PO extract on CuSO4- induced cytotoxicity were measured after Detroit 551 cells were pretreated with vitamin E or PO extract for 2 hours. In the antioxidative effects of PO extract were measured by superoxide dismutase (SOD)-like activity, the inhibitory activity of lipid peroxidation (LP) and lactate dehydrogenase (LDH) activity. In this study, CuSO4 significantly decreased cell viability in dose-dependently compared with control, and the XTT50 value was calculated at 59.8μM of CuSO4. While, vitamin E effectively prevented CuSO4-induced cytotoxicity and also, PO extract significantly increased cell viability compared with CuSO4-treated group. In the antioxidative effect, PO extract showed the inhibitory activity of LP and the decrease of LDH activity as well as SOD-like activity. From these results, it is suggested that the PO extract effectively prevented the cytotoxicity induced by an ACD-induced agent, CuSO4 via antioxidative effect. Conclusively, plant extract such as PO may be a putative resources as an alternative antioxidant for the prevention or diminution of ACD induced by allergen of heavy metals correlated with oxidative stress.
바늘꽃과 달맞이꽃 추출물의 항산화 활성 및 멜라닌화에 관한 효과
오용열(Yong Leol Oh),최유선(Yu Sun Choi) 인간식물환경학회 2011 인간식물환경학회지 Vol.14 No.1
This study was aim to examine the antioxidant effect and melanogenesis of Oenothera lamarckiana SERINGE(OLS) extract in cultured human skin melanoma cell(SK-MEL-3). After cultured SK-MEL-3 cells were treated with various concentrations of glucose oxidase(GO) for 3 hours, cell viability and melanogenesis such as tyrosinase activity and melanin synthesis were assessed. And also, antioxidant effect was measured by superoxide dismutase(SOD)-like activity and lipid peroxidation using ferric thiocyanate(FTC). In this study, GO remarkably decreased cell viability in the treatment of 50mU/mL GO for 3 hours. And also, the pretreatment of OLS extract for 2 hours remarkably increased cell viability which was decreased by GO. In the antioxdant effect of OLS extract, the OLS extract increased cell viability inhibited by GO, the decreased lipid peroxidation and SOD-like activity. While, OLS extract decreased melanin synthesis and tyrosinase activity after SK-MEL-3 cells were pretreated with 70ug/mL or 100ug/mL of OLS extract for 2 hours in these cultures. From these results, it is suggested OLS extract showed not only the antioxidant effect by the incresed cell viability on GO, the decreased lipid peroxidation and SOD-like activity but also inhibited activity of melanogenesis via the decreased melanin synthesis and tyrosinase activity in these cultures.
성인 만성 아토피 피부염 환자의 삶의 질과 한방 치료비용에 대한 고찰
김남권,오용열,서은성,이동효,Kim, Nam-Kwen,Oh, Yong-Leol,Seo, Eun-Sung,Lee, Dong-Hyo 대한한방안이비인후피부과학회 2010 한방안이비인후피부과학회지 Vol.23 No.1
Objective : The aim of this study is to assess the impact of chronic atopic dermatitis (AD) on quality of life (QoL) as well as the economic burden associated with oriental medical treatment on adult patients with chronic AD in Korea. Methods : The EQ-5D health states, existence and duration of AD in the 2007 National Health and Nutrition Examination Survey (NHANES) were used to obtain the study subjects. A questionnaire including the questions on direct medical and direct non-medical costs associated with oriental medical treatment for adult patients with AD was specifically designed. Twenty-nine, members of the Korean Oriental Medical Ophthalmology, Otolaryngology and Dermatology Society (KOMOODS), completed the questionnaires. Results : The incidence of AD was around 3.09% in 2007 NHANES (sample survey, n=2981). Three months and above in duration of disease was 1.35%. The QoL data revealed as follows: 0.932 in non-chronic AD, 0.916 in chronic AD, and 0.908 in non-AD. We also stratified our analysis by age. The QoL data in 40's was statistically significant (P<0.023). But, no significant differences were reported in 20's, 30's, and 50's. The total direct medical costs of oriental medical treatment for AD was about 2,560,717 Won, and total direct non-medical costs was about 605,125 Won in a year. Conclusions : This study might be applied to find the evidence of economic evaluation in oriental medicine for AD. More rigorous studies are warranted.
이명증에 대한 보중익기탕과 반하백출천마탕의 비용효과 분석 연구
김남권,오용열,서은성,이동효,Kim, Nam-Kwen,Oh, Yong-Leol,Seo, Eun-Sung,Lee, Dong-Hyo 대한한방안이비인후피부과학회 2010 한방안이비인후피부과학회지 Vol.23 No.1
Background : Bojungikgitang(BJT) and Banhabaekchulchonmatang(BBT) are known to treat the tinnitus patients, which were registered Korean National Health Insurance coverage lists. Objective : Few studies have evaluated economic benefits of both herbal medicines. This research is to investigate the cost-effectiveness of Bojungikgitang(BJT) and Banhabaekchulchonmatang(BBT) in chronic tinnitus patients over nineteen years old. Method : We built the decision tree model of chronic tinnitus and executed the deterministic analysis and threshold sensitivity analysis based on randomized clinical trial. Effectiveness was measured in quality-adjusted life-years(QALYs), and costs were in 2009 KRW(South Korean Currency). The perspective is societal, time horizon is 10 weeks, and Korean willingness to pay threshold is assumed to 20,000,000KRW. Results : In the base case analysis, BJT treatment resulted is better outcomes as low cost, so BJT is dominant medicine and BBT is dominated. But both cost per QALYs (BJT is 3,120,339KWN per QALY, BBT is 3,505,780KWN per QALY) are lower than the threshold, that could be covered by Korean National Health Insurance(KNHI). Conclusion : This study results showed that BJT was more cost-effective than BBT treating tinnitus patients for 10 weeks, and the cost per QALYs of both alternatives were lower than Korean national threshold.
이동효,이정헌,오용열,김남권,Lee, Dong-Hyo,Lee, Jung-Hun,Oh, Yong-Leol,Kim, Nam-Kwen The Society of Korean Medicine Ophthalmology 2009 한방안이비인후피부과학회지 Vol.22 No.2
목적 : 체계적 문헌고찰(Systematic Review)은 Protocol 개발과 Review로 구분되며, 본 연구는 국내외 의학논문 검색엔진에 등재된 이명증의 RCT 문헌들을 대상으로 평가지표를 추출하는 Systematic Review를 진행하기 위한 Protocol의 개발을 목적으로 함. 방법 : 문헌고찰을 위한 각 과정들 및 연구에 필요한 사전 결정 인자 들을 연구자 회의와 체계적 문헌고찰 protocol 개발 방식에 근거하여 개발함. 결과 : Outcome measurement의 추출을 위한 Systermatic Review의 진행에 적합한 database의 선정, 각 database에 적합한 검색식, 검색기간, 논문의 선정 및 제외기준, PICO(patient, intervention, comparator, outcome) form의 개발, 질 평가의 근거기준, 각 연구자의 역할, data의 취합 및 분석 방법 등의 결과를 개발하고 결정하였음. 결론 : 이상에서 과정에서 도출된 결과에 근거하여, 향후 Outcome measurement 추출을 위한 Review를 진행하고 차후 Review논문으로 발표할 예정임.
김진우 ( Jin Woo Kim ),안대종 ( Dae Jong Ahn ),이순이 ( Soon Yee Lee ),오용열 ( Yong Leol Oh ),손영우 ( Young Woo Sohn ),김진형 ( Jin Hyung Kim ),김태헌 ( Tae Heon Kim ),강형원 ( Hyung Won Kang ),류영수 ( Yeoun Su Lyu ) 대한한방신경정신과학회 2006 동의신경정신과학회지 Vol.17 No.2
Objective : This Study is attempted to analyze characteristics of personality by Minnesota Multiphasic Personality Inventory responses in Vertigo patients. Method : 24 Vertigo patients and 28 control group were tested by MMPI and QSCCⅡ. It is analyzed by one-way ANOVA, chi-square test, t-test, Duncan method is used as ex-post test. Result & Conclusion : 1. 24 Vertigo patients were classified into three constitutions by QSCCⅡ. There were 6 of Soyangin(25.0%), 8 of Soeumin(33.3%) and 10 of Taeumin(41.7%).2. In the analysis of personality disorder scale of MMPI, BDL scale score of Soyangin group was higher than that of other groups, and STY, AVD scale score of Soeumin group was higher than that of other groups.3. In the analysis of personality disorder scale of MMPI, vertigo patients group showed higher scores than control group in CPS, PAG, PAG, DEP, STY, SZD scale.