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      • 녹동균 세포외막 단백질 백신 CFC-1-101의 안정성 및 면역원성 검토 : 임상 제 Ⅰ/Ⅱa상 시험

        장인진,김익상,유경상,임동석,김형기,신상구,장우현,박완제,이나경,정상보,안동호,조양제,안보영,이윤하,김영지,남성우,김현수 대한감염학회 1998 감염 Vol.30 No.3

        목적 : 제일제당에서는 녹농균의 세포외막 단밸질을 유효성분으로 하는 백신인 CFC-101을 개발하였으며, 동물시험에서 이 백신의 안전성과 유효성을 입증하였다. 본 연구에서는 이 녹농균 백신의 인체에 대한 안전성과 면역원성을 평가하는 동시에 인체 접종시의 최적 투여 용량을 결정하기 위하여 제 I/Ⅱa상 임상시험을 수행하였다. 방법 : 건강한 성인 남자를 피험자로 선별하여 각 용량군에 백신투여자 6명, 위약투여자 2명을 배정하였다. 백신 투여군은 0.25mg, 0.5mg 또는 1.0mg 용량의 녹농균 백신을 7일 간격으로 3회에 걸쳐 근육주사 하였으며, 위약 투여군에게는 세포외막 단백질을 제외한 동일한 성분을 투여하였다. 백신접종 후 국소적 또는 전신적인 반응의 발생여부를 관찰하고, 혈액시료를 체취하여 백신의 역가와 유효성을 검정하였다. 결과 : 녹농균 백신 CFC-101은 모든 접종자에서 양호한 내약성을 보였다. 또한 0.5mg 과 1.0mg 백신 투여군에서는 100%의 항체양전율을 나타내었다. 생성된 항체는 녹농균 세포외막단백질에 특이성을 보였고, 녹농균 감염에 대해 방어효능이 있었다. 결론 : 이와같은 결과로부터 이 녹농균 백신은 인체에 안전하게 투여할 수 있으며, 높은 항체 생성능으로 감염방어 효능을 보이고 0.5mg과 1.0mg이 최적용량인 것으로 판단되었다. Background : We developed a Pseudomonas aeruginosa outer membrane protein(OMP) vaccine CFC-101, and the prophylactic efficacy of which has been demonstrated in animal models. In order to evaluate the safety and immunogenicity of the P. aeruginosa vaccine, we carried out a phase I/Ⅱa clinical trial in healthy male volunteers. Methods : Groups of eight volunteers, including two placebo subjects, were vaccinated intramuscularly with three doses of 0.25, 0.5 or 1.0 mg of the vaccine at one week intervals. Sings of systemic and local reactions observed after vaccination were recorded for each vaccinee for 5 days. Physical examinations were performed on days 0, 1, 7, 8, 14, 15, 21, and 42, and clinical laboratory tests were done on days 0, 3, and 21. Blood samples for assay of serum antibody levels were obtained up to 42 days after the first vaccination. Results : The vaccine was generally well tolerated by all vaccinees, showing no significant side effects. In the three dosage groups, all vaccinees, except one receiving the 0.25 mg dose, showed significant elevation in serum IgG antibody titers against the vaccine proteins, indicating 100% seroconversion in 0.5 and 1.0 mg groups. The human antibodies induced by the vaccine were specific for P. aeruginosa OMPs, as confirmed by western blot analysis and immunoprecipitation assays. The capacity of the human antisera to enhance opsonophagocytic killing activity by polymorphonuclear leukocytes and to confer protection against P. aeruginosa infections indicates that the antibodies elicited by the vaccine have protective efficacy. Conclusion : We conclude that the P. aeruginosa OMP vaccine is safe and effective for human use and its optimal dose to be 0.5 or 1.0 mg.

      • KCI등재

        醫藥品 關聯 知識과 使用行態 硏究

        南喆鉉,林尙圭 韓國保健敎育.健康增進學會 2000 보건교육건강증진학회지 Vol.17 No.1

        This study was conducted to provide basic data for development of public information program and public policy which could prevent the medicine abuse in Korea, examining the level of knowledge of medicine and its related factors. Data were collected from the 2,011 residents who live in metropolitan cities, large-sized cities, small and medium cities, and small towns The results of this study are summarized as follows. 1) In case of purchasing of medicines in pharmacy, 67.3% of the respondents chose the medicines through recommendations of the professionals such as pharmacists and doctors, while 32.7% of the respondents chose the medicine through self-judgement, advertizing, or recommendation of relative. 2) 64.7% of the respondents obtained the information on medicines through TV. It appeared to be higher in the groups of female of the twenties, the unmarred, a brother and sister threesome, highschool graduates, housewives, residents in small and medium cities, atheists, and the middle class, displaying the significant difference from the other groups. 3) 40.5% of the respondents recognized the side effect of the medicine when they took the medicine, while 34.4% did not recognize it. The rate of experience in the side effect was 39.7%. The informations on the medicine abuse and the risk of addiction were obtained through broadcast media (47.9%), publications (12.1%), and health professionals (11.6%). 4) 81.1% of the respondents experienced taking of the fatigue relieving medicine. The experience in taking of the fatigue relieving medicine appeared to be higher in the groups of the forties, the married, a brother and sister fivesome, highschool graduates, persons engaging in farming, livestock raising, and forestry, the residents in small towns, and Christians. Each group displayed the significant difference from the other groups. 5) According to the level of knowledge of medicines, the respondents marked average 11.7±3.76 points on the base of 24 points. It appeared to be higher in the groups of female of the twenties, a brother and sister foursome, college graduates, teachers, Catholics, and the middle class, displays the significant difference from the other groups. 6) According to the experience in taking of health medicine and health food, 81.1% of respondents had the experience in taking 'the fatigue relieving medicine'; 72.4% 'carrot or vegetable juice'; 69.5% 'ginseng'; 63.0% 'mushroom'; 42.5% 'dog meat'; 38.0% 'aloe'; 36.4 'deer antlers'; 11.4% 'snake'; 2.0% 'the penis of a fur seal'. 7) The factors influencing the level of knowledge of medicine include experiences in taking of the tonic, the fatigue relieving medicine, and the nutritive medicine, economic status, the number of brothers and sisters, education level, marital status, father's education level, and age. The factors influencing the experience in side effect of medicine are experiences in taking of the fatigue relieving medicine, the nutritive medicine, and the tonic, sex, age, education level, father's education level, marital status, economic status, religion, and the number of brothers and sisters. In conclusion, it is estimated that the level of knowledge of medicines is significantly low in Korea. Especially, it is found out that workmen, students, the upper class, the class of low education level, and persons engaging in farming, livestock raising, and forestry neglect importance of knowledge of medicine, Therefore, it is necessary for public authority, associations related, and health professionals to develop programs for public information and education to help people obtain basic knowledge of medicine.

      • KCI등재

        재수출면세물품의 의무불이행에 대한 세액추징의 타당성에 관한 사례연구

        남풍우,한상현 한국관세학회 2007 관세학회지 Vol.8 No.2

        This study analyzed problem of propriety of customs duties supplementary charge from breaking party or person concerned who failed to export on re-export exemption goods under Korea' customs law. Specially, this study studied laying stress on example and decision contents of an objection case connected with this brought in the latest headquarters customs authority. Conclusively through this event, the headquarters customhouse authorities should rightly examines in the advance on duty amount about re-export exemption goods, and with this example, in case of simple business mistake, it is desirable that additional tax is excused. Secondly, consignor(import declaration person) must make import and export declaration rightly and entrusts business to registered customs specialist(customs brokers), Thirdly, customs brokers who is delegated customs and business of import and export entry from consignor must inspect thoroughly document that consignor offers through sincere agency business, and report import and export declaration exactly on the basis of this data and documents.

      • KCI등재

        흡연 및 비흡연 정신분열증 환자간의 인지 기능과 치료 반응의 차이

        남궁기,민성길,이희상,조현상,김세주 大韓神經精神醫學會 1997 신경정신의학 Vol.36 No.4

        연구 배경 : 본 연구는 정신분열증 환자에서 흡연 여부에 따라 정신분열증 환자군의 정신과적 과거력 및 현재 증상, 치료 반응과 인지 기능 등에 어떤 차이가 있는 지를 알아보려는 것이다. 연구 방법 : 정신분열증 환자 중 36명의 흡연군과 31명의 비흡연군을 연구 대상으로 하였다. 현재의 증상을 평가하기 위해서 양성 및 음성 증상 척도(Positive & Negative Syndrome Scale) 및 전반적 기능 평가 척도(Global Assessment Scale)를 상용하였고, 추체외로계 부작용을 추체외로계 부장용 평가척도(Rating Scale for Extrapyramidal Side Effects)로 측정하였다. 흡연군과 비흡연군의 인지 기능을 평가하기 위해 비엔나 검사 중 SPM(Standard Progressive Matrices), Cognitron 및 FFA(Flicker Fusion Analyzer) 검사를 실시하였다. 연구 결과 : 1) 흡연군과 비흡연군에 비해 유병 기간이 유의하게 길었음에도 불구하고, 입원 시의 증상 정도(PANSS 총점)가 유의하게 낮았고, 기능 정도(GAS 점수) 역시 유의하게 높았다. 2) 정신분열증의 치료 반응에 영향을 미칠 것으로 생각되는 나이와 유병 기간을 통제한 상태에서 흡연여부에 따른 치료 반응의 차이를 검증해 본 결과, 흡연 여부에 따른 일일 약물 사용량, 추체외로계 부작용 및 증상 호전율(PANSS 호전율)이나 기능 호전율(GAS 호전율)에 유의한 차이는 없었다. 또한 인지 기능에 영향을 미칠 것으로 생각되는 나이, 유병 기간, 항전신병약물 용량 및 증상의 정도를 통제한 상태에서 흡연 여부에 따른 인지 기능의 차이를 검증해 본 결과, 흡연 여부에 따른 SPM 값, COG-R 및 FFA 갑의 차이는 없었다. 3) 흡연군 내에서 흡연 정도와 치료 반응 및 인지 검사 점수와의 관계를 알아보기 위해, 나이와 유병 기간 요인을 통제한 상태에서 일일 평균 흡연량과 여러 임상 척도와의 상관 관계를 분석해 보았다. 그 결과 일일 흡연량과 증상 호전율(PANSS 호전율) 이나 기능 호전율(GAG 호전율) 사이에 통계적으로 유의한 상관 관계를 보였다. 그러나 총 흡연 기간은 치료 반응 및 인지 기능과는 통계적으로 유의한 상관 관계를 보이지 않았다. 결 론 : 이상의 결과를 종합해 보면 흡연 정신분열증군은 비흡연 정신분열증군에 비해 입원 시 증상이 경미하고 기능이 좋으며, 흡연 정신분열증군에서는 흡연량이 많을수록 치료 시 증상 및 기능이 호전율이 높다고 할 수 있다. 그러나 흡연군에서 일일 약물 사용량이 높다거나, 추체외로계 부작용이 덜 나타난다거나 지능 저하가 덜하다는 이전의 연구 결과들은 입증되지 않았다. Objectives : The purpose of this study was to examine the differences of past histories, current symptoms, treatment responses and cognitive and functions between smoking and nonsmoking schizophrenic patients. Methods : The subjects were composed of 67 schizophrenic patients including 36 smokers and 31 non-smokers. They were examined by psychiatric history checklist, Simpson and Angus's rating scale for extrapyramidal side effects, positive & negative syndromes scale(PANSS), global assessment scale(GAS), and Vienna test including Standard Progressive Matrices(SPM), Cognitron, and Flicker Fusion Analyzer(FFA). Results : The results were as follows : 1) Although the duration of illness of smokers was longer than that of non-smokers, the smokers had significantly higher score of GAS and significantly lower score of PANSS than non-smokers at admission. 2) With effects of age and duration of illness controlled, there were no differences of mean dosage of neuroleptics, extrapyramidal side effects, PANSS improvement rate and GAS improvement rate between both groups. 3) With effect of age, duration of illness, and total PANSS score controlled, there were no differences of score of SPM, cognitron, and FFA. 4) In smokers, the PANSS improvement rate and the GAS improvement rate were positively correlated with mean number of daily smoked cigarettes, with effects of age and duration of illness controlled. Conclusions : In schizophrenic patients, smokers had less severe symptoms than non-smokers. In smokers, the PANSS improvement rate and the GAS improvement rate were positively correlated with mean number of daily smoked cigarettes. But Smokers were not proven to have received higher dosage of neuroleptics, to have lower extrapyramidal side effects, or to have less severe impairment of cognitive function.

      • 마우스 종양발생에서 Nitric Oxide의 역할에 관한 연구 Ⅲ : Helicobacter pylori에 의해 유발된 마우스 위암에서 염증매개인자의 역할 The role of inducible nitric oxide synthase and cyclooxygenase-2 in H. Pylori-associated gastric carcinogenesis

        남기택,오상연,조현무,이국경,강진석,제정환,최미나,한상욱,김대용,장동덕,양기화,안병우 식품의약품안전청 2001 식품의약품안전청 연보 Vol.5 No.-

        feficotorfer fyf☞ri(Hp)가 위암파 관련이 있다는 역학적인 증거는 많이 있지만 이에 대한 정확한 기전에 대해선 밝혀져 있지 않고 있으며 실험동물 모델도 적절하지 못한 것으로 알려져있다. 본 실험에서는 위암의 원인으로 알려져 있는 f, fyforf'(Hp)를 이용하여 마우스에서 위암 모델을 확립하고 만성염증과정 중에 생성되는 리0와 COX-2 등의 발현이 위암발생에 미치는 명향을 통하여 예방과 치료를 위한 점근을 시도하고자 하였다. 마우스를 7군으로 나누어서 1, 2, 3, 4군의 등물은 MNU를 증류수에 200ppm 농도로 음수병득 이용하띤 10주간 격주로 투여하였으며 MHU 음술 투여 1주 휴씩 후 배양한 f. fyrofi 를 약 109cru/rfll 로 맞춰 한 마리당 0.1ml 씩 이틀 간격으로 세 번에 걸쳐 하룻방 금식시킨 1, 2, 3, 5, 6, 7군기 마우스의 위장에 투입하떴다. 균 투입을 마친 후 다응 날부터 2군쏙 6군은 iNOS 억제제인 aminoguanidine(AG)을 음수병으로 툰여하였으며 3군과 7군은 COX-2 척제제인 nimesulide(NSD)를 투여하였다. 위의 종양발생양상을 샅최보면 bfNU와 Hp만을 투여한 1 관 ; (hfNU +Hp), 2군 : iNO을 inhibitor 투여군(MNU+HP+AG'1. 3군 ;CO딘-2 Inilibitor 투여군(MNU누Hp누 NSD), 4군 ,MNlf 단독투여군, 5군 ;Hp 단독투여춘, 6군 ; 러p 단독에 AG투여군, 7군 , Hp 단독에 NSD투여군의 종양발샐을은 각각 쁜.Bff(l1/16), 70.6%f12/ti), 했.9ff(7/18), 10%(1/10), Off(O/IS)0%(O/S), 0%(O/5)의 발쟁율을 보여 iNOS 억제제인 AC은 좁양발생을 억계하지 못하였으며, COX-2억제제인 NSD 는 종양발생을 유의적으로 감소시켰다. 콩양발생개수에서는 2.62±0.36, 1.41츠0.14, 0.44 르0.12, 0.10±0.10을 보여 AC와 NSD에서 유의성 있게 발생개수를 줄였다. Hp 단독투여에 의해즌는 종양발생이 나타나지 않았으며 HP+AG, Hp+ IfSD 추여군에콕 시험증료 시점에 약물에 의해 Hp의 제균효과가 있는지의 여부를 확인끓기 위하여 PCR을 이용하여 확인한 결과 모두 양성인 것으로 나타나 Hp의 제균효과에 의한 촐양발생 억제가 일어나지는 않았다. 위의 결과로 볼 때 Hp는 위암발생을 촉진하는 것으로 나타났고 딘p 감염시 매개되는 염증인자를 억제하였을 때 종양발생을 억제하는 것으로 위암 발생에서 염증매개인자는 종양을 촉진하는 것으로 나타났으며 it,705 억제제쓱 COX-』 억제제의 위알 예밭효과fl는 효과적일 것으로 사료된다 In spite of a large volume of epidemiological evidence indicating significant relationship between H. pylori infection and gastric adenocarcinoma, a doubt still exists on an elevated risk of stomach cancer by H. pylori infection due to lack of direct evidence of their exact mechanistic link. It is, therefore, essential to have an appropriate animal model for detailed analysis of the role of H. pylori played in gastric carcinogenesis. There is a wealth of evidence to support that over production of inducible nitric oxide synthase(iNOS) and cyclooxygenase-2(COX-2) is involved in the pathogensis of various cancer in both rodents and humans. The aim of this study was to establish a mouse model for H. pylori-associated gastric carcinogenesis and to identify the role of inducible nitric oxide synthase(iNOS) and cyclooxygenase-2(COX-2) played during the gastric carcinogenesis in mice. Eighty-three specific pathogen free, six-week-old male C57BL/6 mice were randomly divided into seven groups. Animals of the group 1, 2, 3, 4 were given MNU in their drinking water at the concentration of 200 p.p.m. for total five cycles of one-week regimen with one-week pause. After completion of MNU administration, they were given autoclaved distilled water for one weeks, and groups 1, 2, 3, 5, 6, 7 were inoculated with H. pylori. After completion of H. pylori. inoculation, groups 2 and 6 were given aminoguanidine in their drinking water at concentration of 1000p.p.m. and animals of group 3 and 7 were given the diet containing 200 ppm nimesulide at 12 weeks of age. All animals were killed at 50 weeks of age. The incidences of the glandular stomach tumors in the group 1, 2, 3 and 4 were 87.5%(14/16), 76.4%(13/17), 44.4(8/18), 10.0%(1/10), respectively and the tumor incidence of group 3(MNU→Hp+nimesulide) was significantly lower than those of group 1(MNU→Hp) at the value of P<0.01. The average numbers of tumors of group 2(MNU→Hp+AG : 1.41±0.24) and group 3(MNU→Hp+nimesulide : 0.44±0.12) were significantly lower than those of group 1(MNU→Hp : 2.62±0.36) at the value of P<0.05. Therefore, overproduced iNOS and COX-2 plays an important role in mice gastric carcinogenesis. We concluded iNOS and COX-2 inhibitor have good effects on gastric carcinogenesis.

      • 판형 열교환기의 열유동 해석

        玄淸男,李相勳 홍익대학교 산업기술연구소 2002 産業技術 Vol.12 No.-

        In this study, the heat transfer coefficient and heat stress and the flow characteristics according to the shape of pipe interior in Plate Heat Exchanger is studied by a numerical method using Design-Space. One of the most common heat exchangers that is mainly attached in vehicles is studied. Analysis is performed by comparing the results for plate heat exchangers with those for cylinder heat exchangers. In order to increase the effectiveness of heat exchangers, thermal conductiom, material, and thermal stresses in plate heat exchangers are investigated.

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