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      • Characterization of Antihypertensive Angiotensin I-Converting Enzyme Inhibitor from Recombinant E. coli

        Kim, Jae-Ho,Jeong, Seung-Chan,Lee, Dae-Hyoung,Lee, Jong-Soo 배재대학교 자연과학연구소 2005 自然科學論文集 Vol.16 No.1

        안지오텐신(ACE) 저해제는 항고혈 효과를 갖고 있으므로 오랫동안 고혈압의 예방이나 치료에 이용되어 왔다. 본 연구는 재조합 대장균으로부터 새로운 ACE 저해제를 생산하고 정제하며 나아가 이들이 구조-기능 관P를 규명하기 위해 수행되었다. Saccharomyces cerevisiase의 ACE 저해 펩타이드 유전자를 함유하고 있는 재조합 pGEX-4T-3을 대장균 BL21(DE3)로 형질전환 시켰다. 재조합 pGEX-4T-3을 갖고 있는 대장균 BL21(DE3)로부터 생산된 Glutathione-s 전이효소 (GST) 융합 단백질을 얻어서 그중 ACE저해 펩타이드를 Sephadex G-25 컬럼 크로마토그래피로 정제하였다. 정제된 ACE 저해 펩타이드는 타이로신-아스파틱엑시드-그리신-글리신-발린-패닐알라린-아르기닌-발린-타이로신-트레오닌의 서열을 가진 새로운 decapeptide이었고 ACE에 대하여 경쟁적으로 저해하였다. The angiotensin I-converting enzyme (ACE) inhibitor has anti-hypertensive effects and has long been used as prevention or remedy of hypertension. This study were carried out to produce and purify a new ACE inhibitor from recombinant E. coli and further elucidate its structure-function relationship. Recombinant pGEX-4T-3 containing ACE inhibitory peptide gene of Saccharomyces cerevisiae was transformed into E. coli BL21(DE3). Glutathione-S transferase (GST) fusion protein from E. coli BL21(DE3) harboring the recombinant pGEX-4T-3 was obtained and the ACE inhibitory peptide was purified with Sephadex G-25 column chromatography. The purified ACE inhibitory peptide was a novel decapeptide with sequence Tyr-Asp-Gly-Gly-Val-Phe -Arg-Val-Tyr-Thr which shows very low similarity to the other ACE inhibitory peptide sequence. The purified ACE inhibitor competitively inhibited ACE.

      • 동일한 환자에서 조혈모세포이식 전후의 호중구감소 기간 중 감염양상에 대한 비교연구 : 중심정맥관 관련 패혈증을 중심으로 Based on Central Venous Catheter Related Septicemia

        류재호,노규태,이영석,이영호,권혁찬,김재석,김효진,이영민,박혜원,박근희 대한조혈모세포이식학회 2002 대한조혈모세포이식학회지 Vol.7 No.1

        연구배경: 동일한 환자를 대상으로 조혈모세포이식 전 일반 병실에서의 관해유도 항암제치료 및 강화요법으로 인한 호중구감소 기간의 감염양상과 고용량 항암제치료 후 무균실에서의 조혈모세포이식 시 호중구감소 기간의 감염양상을 중심정맥관 관련 패혈증을 중심으로 비교 연구함으로써 효율적인 감염관리지침을 마련하고자 하였다. 대상 및 방법: 1999년 1월부터 2001년 7월까지 2년 7개월간 동아대학교병원 일반병실에서 악성혈액질환으로 항암제 치료를 받다가 조혈모세포이식을 시행받았던 22명을 대상으로 중심정맥관 관련 패혈증의 형태를 비교분석하였다. 결과: 대상 환자들의 일반병실과 무균실에서의 입원기간은 각각 32±13일, 33±19일, 호중구 감소기간은 15±12일, 17±18일, 호중구 감소기간의 발열 횟수는 14회, 14회로서 입원병실의 종류에 따른 차이는 없었다. 환자들의 중심정맥관 사용일수는 일반병실에서 29일(7~545일), 무균실에서 100.5일(25~606일)이었으며, 총 사용일수는 각각 1,515일, 3,250일로서 무균실에서의 중심정맥관 사용일수가 의미 있게 길었다(P=0.001). 중심정맥관 사용 일수에 대한 감염률은 각각 5.28/1,000일, 3.08/1,000일로서 일반병실에서 그 빈도가 높았으나 통계적 유의성은 보이지 않았다(P=0.141). 결론: 중심정맥관 삽입 후 일반병실에서 항암제 치료를 받던 환자가 조혈모세포이식을 위하여 무균실에 입원하는 경우, 중심정맥관을 교체하는 것이 감염관리를 위하여 바람직할 것으로 생각된다. Background: We compared the incidence of central venous catheter (CVC) related septicemia during neutropenic period in the same patient, which developed following chemotherapy for remission induction and consolidation, or hematopoietic stem cell transplantation (HSCT). Methods: We retrospectively reviewed the medical records and laboratory data of 22 patients with hematologic malignancies who received anticancer chemotherapy followed by HSCT at Dong-A University Hospital between January, 1999 and July, 2001. We investigated the duration of hospitalization, duration of neutropenic period, duration of catheterization, microbiologically documented organisms and incidence of CVC related septicemia. Results: The data in general ward (before HSCT) and laminar air flow room (after HSCT) were as follows: duration of hospitalization was 32±13 days and 33±19 days, duration of neutropenic period was 15±12 days and 17±18 days, median duration of catheterization was 29 days (7~545 days) and 100.5 days (25~606 days) (P=0.001), and incidence of CVC related septicemia was 5.28/1000 days and 3.08/1000 days, respectively. In the CVC related septicemia, the most common etiologic organism was coagulase negative staphylococcus. Conclusion: We suggest that the exchange of CVC before admission to laminar air flow room could decrease the incidence of CVC related septicemia in HSCT recipients.

      • 곁순의 화학적 방제가 연초식물의 생장량에 미치는 영향

        이재흥,석영선,신주식,정찬문 충북대학교 엽연초연구소 2001 煙草硏究 Vol.18 No.-

        This study was carried out to compare the effects of suckercides - Fatty alcohol(FA), Maleic hydrazide(MH) and Butralin - on the sucker control and growing characters of flue-cured tobacco leaves. Among the three suckercides, Butralin was treated at three different times, one day before topping, topping day and one day after topping, and at two different concentration, 1/30 and 1/60 water solution. The results are summarized as follows. Suckercide treated plot showed higher growth and weight of upper leaves than not-treated plots did. MH treated plot decreased numbers, fresh weight and dry weight of suckers compared to the other treated plots, and made the leaves shape narrow. The effect of Butralin on sucker control was lower than that of MH, but higher than that of FA. The yields when treated Butralin decreased compared to the yields when treated MH. Though there were no significant differences of yields and growing characters of leaves among the plots of three concentrations and two times of treating Butralin, it is recommended to apply 1/60 water solution of Butralin at topping time.

      • 청소년의 여가활동 활성화 방안

        이재형,김찬룡,박상철 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.4

        The objective of the research which it sees ' analyzed the leisure activity participation actual condition and a shedding of blood of the young people and with the drafter fee provision for a leisure activity activation further there is a place where it presents the leisure activity activation plan which is healthy ', in Pusan area. the south which is in the process of attending in the high school. 772 person schoolgirls (249 person junior high school students, is and and a question investigation in the object 239 person total high students whom it bites and 284 person industrial world high students) it did. It analyzes the leisure activity participation actual condition which it follows in sex and the school star and a shedding of blood and a leisure activity activation plan it uses SAS program with the method for, x² and with one-way ANOVA and time after death verification to execute Duncan test, the result which it analyzes, with afterwords escape it did a same conclusion. first, the leisure activity shedding of blood which the young people hope travels, relative visit, field activity and motion picture, play viewing, sports activity, the computer, shopping, sports viewing, music activity and the fine arts activity, appeared with group activity order. Second, when it presents the leisure activity activation plan which the young people is healthy it is a propulsion and support magnification back which magnification, leisure activity program development and supply, young people group activity and sports activity activation and young people policy of system leisure education execution, the gain and loss against the young people and leisure hour magnification, leisure facility expension, leisure leader arrangement and positive education is consistent.

      • KCI등재

        새터민의 기초직업능력 진단

        이찬,이용환,이윤조,신재호,홍윤선,최홍주 한국농업교육학회 2007 농업교육과 인적자원개발 Vol.39 No.3

        이 연구는 새터민의 고용현황 및 문제점을 고찰하고 새터민의 기초직업능력을 진단하여 직업능력개발 방향에 있어 시사점을 제공하는데 그 목적이 있었다. 새터민의 기초직업능력 진단을 위한 도구는 관련 문헌 고찰과 pilot test 및 새터민 교육ㆍ지원 담당자의 안면타당도 검증 등을 통하여 개발되었다. 연구의 목적을 달성하기 위하여 현재 하나원에서 사회 적응교육 및 직업교육을 받고 있는 새터민의 기초직업능력을 진단함으로써 우리나라에 거주하는 새터민의 기초직업능력을 파악하였다. 주요 결과는 다음과 같다. 첫째,새터민들의 기초직업능력 중에서 직업윤리능력은 상당히 갖추어져 있는 것으로 인식하고 있으며,정보능력,즉 컴퓨터 사용능력은 상대적으로 낮은 수준으로 평가하고 있다. 둘째,성별에 따라서는 기초직업능력에 있어서 통계적으로 유의미한 차이를 보이지 않았다. 연령에 따라서는 정보능력과 수리 능력,조직이해능력 영역에 있어서 통계적으로 유의미한 차이를 보였다. 셋째,학력에 따라서는 문제해결능력과 의사소통능력,수리능력,대인관계 영역에 있어서 통계적으로 유의미한 차이를 보였다. 넷째,새터민의 취업을 위한 기초직업능력 개발에 있어 정보능력,수리능력,의사소통능력의 비중 확대,수준별ㆍ맞춤형 교육프로그램개발,새터민을 위한 취업 및 사업정보 제공 등을 제시하였다. The purpose of this study was to explore the current employment status and HRD issues of North Korean refugees and to assess their level of the basic vocational competencies. The assessment tool for the basic vocational competencies was developed based on literature reviews and pilot tests from the North Korean refugees. The face validity was verified by educators and counselors for the North Korean refugees. The major findings in this study were as follows: First, among the basic vocational competencies of the North Korean refugees, the level of vocational ethics was the highest and the level of information teachnology competency was the lowest. Second, the North Korean refugees' basic vocational competencies showed no statistical differences by gender. Territories of information competency, mathematical competency, and communication competency showed statistical differences by age. Third, territories of problem-solving competency, communication competency, mathematical competency, mathematical competency, and communication competency showed statistical differences by education level. Fourth, to develop the basic vocational competencies for North Korean refugees, the following suggestions were presented.; 1) extend the importance of information technology, mathematical, and communication competencies,; 2) develop the customized training programs by competency level,; and 3) offer the employment information for North Korean refugees.

      • 전문대학 물리치료과 교육과정 개선에 관한 연구

        이재학,박찬의,오승렬 高麗大學校 倂設 保健大學 保健科學硏究所 1983 保健科學論集 Vol.13 No.1

        With a view to regulating proposals for model curricula by establishing the purpose and objectives of education for the department of physical therapy in technical colleges, and to proposing educational objectives and the syllabus on major subjects, we have conducted a comparative analysis of the proposals recommended by the World Confederation for Physical Therapy, those prescribed by the Department of welfare of Japan, model proposals of the Ministry of Education of Korea, and the current curricula and syllabus of local technical colleges, and obtained following conclusions: 1. The purpose of education of physical therapy has been established, which reads "The purpose of the education of physical therapy lies in teaching and studying the special knowledge and theories on the fields of health and medical treatment, practicing the treatment skills, and thus training physical therapists needed to promote the national health" and the objectives to achieve this purpose have been established as follows: (1) To foster such personality and character as needed as a democratic citizen, and to establish firm views of professional ethics. (2) To acquire expert knowledge and treatment skills with which to cope with the requirements of the rapidly growing fields of health and medical treatment. (3) To increase the capabilities to carry out physical therapists' duties effectively as health and medical treatment experts. 2. As to the compilation of curricula, the cultural courses have been divided into required subjects (16 credits) and elective subjects (more than 3 credits) for which more than 19credits(more than 23.75% of the credits required for graduation) must be completed, while the major courses have teen divided into the elementary subjects (12 credits), required subjects (20 credits), and elective subjects .(more than 29 credits), for which more than 61 credits (76.25% of the credits required for graduation). In particular, out of the elective subjects (29 credits), at least 15 credits must be completed for clinical training subjects (See Table 6). 3. The objectives of education by subject and the syllabus on major required subjects and clinical training subjects have been presented. (See Tables 7-13) 4. As results of comparative analysis of the subjects proposed by the World Confederation for Physical Therapy and those prescribed by the Ministry of Welfare of Japan, it is advisable to rearrange them gradually as four-year courses in order to improve special knowledge and treatment skills.

      • 좌측흉수로 발현된 Boerhaave 증후군 1예

        이준,변유미,조민근,조주연,원경준,김영대,박찬국,김만우,유재근,서홍주,이석기 朝鮮大學校 附設 醫學硏究所 2008 The Medical Journal of Chosun University Vol.33 No.2

        구토 후 발생한 토혈을 주소로 내원한 환자에서 좌측 늑막 삼출 동반 시 식도 파열의 가능성을 고려하여 흉수 천자 및 지속적인 흉부 단순 촬영의 추적관찰이 필요하며 식도 파열이 배제된 후 환자의 생체 징후 및 토혈 양을 파악하여 내시경 검사 시기를 신중히 결정하는 것이 좋을 것으로 생각된다. 본 증례는 토혈을 주소로 내원하여 Mallory-Weiss 증후군 의심 하에 내시경을 통한 치료 시행 후 추적 관찰에 의해 진단된 Boerhaave 증후군을 경험하였기에 보고하는 바이다. Boerhaave's syndrome is a spontaneous perforation of the esophagus most commonly resulting from a sudden increase in intraesophageal pressure combined with negative intrathoracic pressure caused by straining or vomiting. Surgery should generally be performed within 24 hours because mortality approached 30 to 50 percent in which surgery was delayed. Therefore, early diagnosis and prompt surgical repair are critical for survival. We have experienced a case of Boerhaave's syndrome in a patient presenting with hematemesis with left pleural effusion without any signs or symptoms of pneumomediastinum or pneumothorax.

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