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( Myung Jin Lee ),( Kye Hyung Kim ),( Jong Youn Yi ),( Su Jin Choi ),( Chung Jong Kim ),( Nak Hyun Kim ),( Kyoung Ho Song ),( Pyoeng Gyun Choi ),( Ji Hwan Bang ),( Wan Beom Park ),( Eu Suk Kim ),( San 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
In Vitro Antiviral Activity of Ribavirin Against Severe Fever with Thrombocytopenia Syndrome Virus Myung Jin LEE1, Kye-Hyung KIM1, Jongyoun YI2, SuJin CHOI1, Chung-Jong KIM1, Nak- Hyun KIM1, Kyoung-Ho SONG1, Pyoeng Gyun CHOI1, Ji-Hwan BANG1, Wan Beom PARK1, Eu Suk KIM1, Sang-Won PARK1, Hong Bin KIM1, Nam Joong KIM1, Myoung- Don OH1 Seoul National University College of Medicine, Korea1, Pusan National University School of Medicine, Korea2 Background: Severe fever with thrombocytopenia syndrome (SFTS) is an emerging infectious disease caused by a novel Bunyavirus, severe fever with thrombocytopenia syndrome virus (SFTSV). No effective antiviral therapy is proven yet, but clinical use of ribavirin (RBV) has been tried. We investigated the antiviral effect of RBV against SFTSV in vitro. Methods: To test for cytotoxicity of RBV, Vero cells were treated with different concentrations of RBV (3.90 to 500 μg/mL, two-fold dilution) and analyzed by cell viability MTS assay 48h post-infection. To determine antiviral activity of RBV against SFTSV, Vero cells were infected with SFTSV strain Gangwon/Korea/2012 at 100 TCID50 (50% tissue culture infective dose) per well in a 96-well plate, and RBV was added at the concentrations showing no or minimal cytotoxicity. Viral RNAs were extracted from the culture supernatants and quantifi ed using one-step real-time reverse transcription- PCR to amplify the partial large segment of SFTSV. Statistical analysis was done by one-way ANOVA with Tukey`s post hoc test. Results: Cytotoxicity due to RBV was not observed at RBV concentration =31.3 μg/ mL. Viral RNAs at 24h post-RBV treatment were reduced with increasing RBV concentrations (1-32 μg/mL), compared with those of mock-treated cells (P <0.01, Figure). Half maximal inhibitory concentration (IC50) of RBV was 3.69 μg/mL at 24h post-RBV treatment. Conclusions: Our study shows that RBV has antiviral effect against SFTSV in a dose-dependent manner. Further studies are required to evaluate the effi cacy of RBV in SFTS.
姜永周,河璡桓,金永東,宋大鎭,金洙賢,金成洙 제주대학교 1990 논문집 Vol.30 No.-
To establish the way of processing of Gae-Woo jeot which used abalone intestine that has not been systematically used compare to its characteristic taste and fame as main ingredient and to develop as a local tourist good, the change of constituents the quality of salted fish products suring Gae-Woo jeot fermentation were examined. The results are as follows. 1. In the organoleptic test, Gae-Woo jeot which fermented through 65 days were dominant and the group of 105 salkt concentration were better than that of 20%. It was the best of 10% salted products to add small abalone. Both law salted(10%) and high salted (20%) Gae-Woo jeot were similar in general constityents, nutrients and texture. 2. Compositions of highly unsaturated acid were farely high to 45.6% and 46.1% in small abalone added froup and top sheel added group respectively. during 3 months fermentation low decreasing rate of 3~4% was shown. EPA(eicosapentaenoic acid) was approximately 7~8% and DHA(docosahexaenoic acid) was extremely low to be less than 0.3%. 3. In the changes General composition and pH, pH was within range of 4~5.5, 9~12% in protein, 3~5% in total sugar, 0.5~1% in lipid and approximately 1% in ash. 4. Gae-Woo jeot can be made with 10% low salting method, and 10% group gets all the better for taste, small abalone adding is recommended. 5. When low salt fermented fish of 10% is processed, it is highly recommended to put sorbitol, ethyl alcohol, lactic acid or other humectant for better taste and longer storage and good quality food additives must be developed for tourist and presently applied mil ordering transportation must be sought.
치과 기공사들에게서 나타나는 호흡기 증상과 이의 관련 요인
김웅철,오세윤,김지환,김진완,이준석,이가영,이세훈,유진호,김태석 高麗大學校 倂設 保健大學 保健科學硏究所 2001 保健科學論集 Vol.27 No.1
This study was carried out to investigate subjective respiratory symptoms and their attributable factors in Korean dental laboratory technicians. A questionnaire was mailed to randomly selected 1,900 dental laboratory technicians. Among them, 1,344 dental technicians completed the questionnaires and returmned them. Validity and reliability tests on the questionnaires were carried out before the main survey. To investigate risk factors on respiratory subjective symptoms, we performed analysis on distribution of characteristics, and then investigated univariate analysis and multiple logistic regression analysis. The prevalence rate of wheezing, cough and phlegm, and dyspnea was 4.8%, 33.9%, 54.9%, respectively. Statistically significant factors inducing subjective respiratory symptoms by multiple logistic regression analysis were sex, smoking, exercise, health examination, work hours a day, investment gas, investment dust, metal fume, resin vapor, and asbestos dust. Considering the results above, it seems that most subjective respiratory symptoms are related with health habits and occupational environmental-related factors. The result, consideration in mind, suggest that health promotion programs for smoking cessation, regular health examination, and physical exercise in health habit, and improvement on casting and resin work in dental technological environment be necessary.
Sheehan 증후군 발생한 Torsades de Pointes
김승환,김남호,김용철,최준호,박은미,이상재,이은미,유남진,윤경호,오석규,정진원 圓光大學校 醫科學硏究所 2008 圓光醫科學 Vol.23 No.1
재발하는 심실 빈맥으로 내원한 환자에서 Sheehan 증후군을 진단하였고, 적절한 호르몬 보충 치료 후 심전도 이상이 정상으로 회복된 예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Torsades de Pointes is a form of polymorphic ventricular tachycardia that is associated with prolongation of QT intervals, characterized by QRS complexes of progressively changing ampulitude and cyclic length, giving the appearance of oscillations around the baseline. A 77 years-old woman was presented with hypotention and arrhythmia. Twenty four-hour ECG showed typical episodes of torsades de pointes with QT prolongation. This arrhythmia was controlled by isoproterenol and magnesium infusion, but it was not disappeared. She was diagnosed as Sheehan's syndrome by past history, anterior pituitary stimulation test and empty sella on CT scan. After hormone replacement treatment, Prolonged QT interval was normalized and polymorphic ventricular tachycardia has not recurred. We report a case of torsades de pointes associated with Sheehan's syndrome
金成洙,河璡桓,姜永周,金洙賢,金永東,宋大鎭 제주대학교 1990 논문집 Vol.30 No.-
To evaluate the composition of Gae-Woo Jeot which is one of important traditional salted and fermented sea foods in Cheju Do, changes of nucleotides and their related compounds, free amino acids, TMAO(trimethylamine oxide), TMA(trimethylamine) contents and histological properties during fermentation was examined. AMP was as high as 3.6?mole/?? in raw small abalone but IMP content was only trace while hypoxanthine and IMP was dominant in raw topshell-4.5 mole/?? and 4.3??mole/?? respectively. Hypoxanthine was predominant in 65 days fermented Gae-Woo Jeot. Main amino acid in Gae-Woo Jeot were glycine, arginine, glutamic acid, alanine, valine and histidine in order. These were consisted 50~60% of the total free amino acid while phenylalanine, tyrosine, methionine and isoleucine were poor in content. During fermentation TMAO decreased slowly and eventually disappeard within 85 days while TMA was increased until 65 days and started to decrease down to 6~9mg%. Muscle texture showed the disappearance of elasticity soon after the adding of 10% salt while no change of texture was oberved until 50 days of fermentation in 20% salt group.
김용철,김남호,김승환,최준호,박은미,이상재,이은미,유남진,윤경호,오석규,정진원 圓光大學校 醫科學硏究所 2008 圓光醫科學 Vol.23 No.2
석청에 포함된 grayanotoxin에 의해 독성 작용이 나올 수 있으며, 이러한 독성 작용은 일반적으로 24시간 이내 저절로 회복된다. 최근에 본 저자들은 석청 복용 후 발생한 심실빈맥을 경험하였기에 보고하는 바이다. 49세 남자가 호흡곤란으로 내원하였으며, 내원당시 분당 40회 정도의 동성 서맥이 관찰되었고, 수액을 투여하던 중 심실 빈맥이 발생하였다. 항부정맥제를 투여 후 정상 동율동으로 전환되었으며, 특별한 이상 없이 4일 후 퇴원하였다. Mad-honey intoxication caused by the consumption of honey producted from the nectar of rhododendrons. The grayanotoxins cause the intoxication. The toxic effects of mad-honey poisoning are rarely fatal and generally last for no more than 24 hours. We experienced one case, a 49 years-old man who presented with dyspnea after ingestion of mad-honey. He showed marked sinus bradycardia with < 40 beats per minute on admission. The cardiac rhythm was changed to ventricular tachycardia immediately. These features resolved completely in 24 hours with continuous infusion of amiodarone(600 mg per day) and fluids. We report the case of intoxication of mad-honey as a presentation of fatal cardiac arrhythmia.
Jin-Young Park,So-Yeon Bae,Jae-Jun Lee,Ji-Hwan Kim,Hae-Young Kim2,Woong-Chul Kim 대한치과보철학회 2017 The Journal of Advanced Prosthodontics Vol.9 No.3
PURPOSE. The purposes of this study were to evaluate the marginal and internal gaps, and the potential clinical applications of three different methods of dental prostheses fabrication, and to compare the prostheses prepared using the silicone replica technique (SRT) and those prepared using the three-dimensional superimposition analysis (3DSA). MATERIALS AND METHODS. Five Pekkton, lithium disilicate, and zirconia crowns were each manufactured and tested using both the SRT and the two-dimensional section of the 3DSA. The data were analyzed with the nonparametric version of a two-way analysis of variance using rank-transformed values and the Tukey’s post-hoc test (α = .05). RESULTS. Significant differences were observed between the fabrication methods in the marginal gap (P < .010), deep chamfer (P < .001), axial wall (P < .001), and occlusal area (P < .001). A significant difference in the occlusal area was found between the two measurement methods (P < .030), whereas no significant differences were found in the marginal gap (P > .350), deep chamfer (P > .719), and axial wall (P > .150). As the 3DSA method is three-dimensional, it allows for the measurement of arbitrary points. CONCLUSION. All of the three fabrication methods are valid for measuring clinical objectives because they produced prostheses within the clinically acceptable range. Furthermore, a three-dimensional superimposition analysis verification method such as the silicone replica technique is also applicable in clinical settings.