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난소절제후 Estrogen을 투여한 흰쥐 대동맥에서 Protein Kinase C-α와 Fas 발현의 변화
이왕수,이상엽,안지현,송영빈,김학진,이광재,유재격,김상욱,김태호,김치정,류왕성 중앙대학교 의과대학 의과학연구소 2001 中央醫大誌 Vol.26 No.3
Estrogen is believed to decrease coronary artery disease. Protein kinase C-α(PKCα)appear to be important in signal conduction pathways. Estrogen treatment increases catalytic activity of PKCα,and activation of PKCαcan modulate estrogen receptor levels and responsiveness. And it was reported that activation of PKC can protect cells from apoptosis induced by Fas ligation. But the beneficial effect of estrogen on PKCαwas not clearly demonstrated. The objective of this study was to evaluate the role of PKCαafter ovariectomy and estrogen therapy in rat aorta. The results were summarized as below: 1. The significant pathological changes were not observed in the rat aorta irrelevant to ovariectomy and estrogen therapy. 2. The expression of Fas was decreased in the aorta of estrogen-treated rats than that of ovariectomized rats without estrogen therapy. 3. Increased expression of PKCαwas more marked in the aprta of estrogen-treated rats than that of ovariectomized rat without estrogen therapy. In conclusion,PKCαmay be important in signal conduation pathway on the effect of estrogen. Activation of PKCαby estrogen reduced Fas expression, suggesting that PKCαactivation may play a role in protection against atherasclerosis. Further studies are needed to elucidate the role of PKCαafter estrogen therapy.
의사 역행렬을 이용한 애니메이션의 초개인적 갈등(SPC) 강도 관련 다학제적 연구
김재호(Jae Ho Kim),장정양(Zheng Yang Zhang),왕위차오(Yu Chao Wang),장소은(So Eun Jang),이태린(Tae Rin Lee) 한국전시산업융합연구원 2017 한국과학예술융합학회 Vol.30 No.-
본 연구는 애니메이션 갈등의 VST 특징을 조사하고 강도를 측정한 이태린의 연구 결과에 대한 심화연구로 초개인적 갈등영상과 초개인적 갈등 값을 기반으로 시작되었다. 본 연구의 목적은 초개인적 갈등 강도 값(ESSPC)을 자동 계산하는 모델을 찾아내는 것이다. 따라서 본 논문에서 SPC 영상을 분석하였으며, ESSPC 값을 자동 계산하는 모델을 찾아내기 위해 의사 역행렬(Pseudo Inverse matrix)을 사용하였다. 연구결과 및 내용은 다음과 같다. 이들을 활용하여, 1)SPC를 분석하기 위한 20 개의 영상 Feature값을 제안하였다. 그리고 2)의사 역행렬(Pseudo Inverse matrix)을 사용하여 ESSPC 값을 자동 계산하는 선형모델을 찾아냈다. 그 결과로 3)제안된 시스템은 9.25%의 평균 자승오차의 제곱근 보이며, 그 효율성이 증명되었다. 이러한 연구결과를 바탕으로 이를 계속 발전시켜 성공적 애니메이션의 제작을 위한 자동 검증시스템을 개발하고자 한다. This study is an intensive study on Tae Rin Lee’s research results. A linear system for Estimating the Strength of Super Personal Conflict (ESSPC) in animations is proposed. Tae Rin Lee has extracted the Super Personal Conflict (SPC) shots of animations, and obtained the strength through the experts’ psychological test experiment. The purpose of this study is to find a model that automatically computes the superpersonal conflict intensity value (ESSPC). By utilizing these results, 1) 20 image feature vectors are suggested for analyzing the SPC, and 2) a linear system is found for auto-calculating ESSPC by using the pseudo inverse matrix. The proposed system shows 9.25% root mean square error and the effectiveness is proven.
다발성 간종괴의 형태로 나타난 특발성 과호산구 증후군 치험1예
최승오,연규민,이승민,김순제,왕준호,박형석,이재동,진춘조,이창훈,신현준,김정은 건국대학교 의과학연구소 2004 건국의과학학술지 Vol.14 No.-
Hypereosinophilic syndrome is characterized by persistent blood eosinophilia of 1,500/ul or more in the absence of known causes and multiorgan dysfunction by eosinophil-related tissue damage. In Korea, some cases of hypereosinophilic syndrome with hepatic involvement have been described with prolonged benign clinical courses. Most of them were diffuse or multifocal lesions in imaging studies, and a few case presenting as a single mass has been described. Here we report a case of hypereosinophilic syndrome with hepatic involvement in a 65-year-old man who presented with multifocal mass lesions. By abdominal US and CT scan, multiple, ill-defined nodules were detected in throughout the liver. Liver biopsy revealed severe eosinophilic hepatitis, suggestive of hypereosinophilic syndrome. Hepatic mass lesions improved after steroid administration for several weeks.
이재연,최봉문,김도식,이왕기 牧園大學校 建築·都市硏究센터 1999 建築·都市環境硏究 Vol.7 No.-
School of Architecture and Urban Engineering, Mokwon University, was chosen the specialized school in Mokwon Univ. and has been receiving the National Strategic Financial Support(NSFS), by the Ministry of Education, Since 1997. This study was carried on for a part of NSFS programs. The objective of this study is to propose the new Educational Programs and development plannings for School of Architecture and Urban the Engineering for the specialized school in Mokwon University. This paper is the Summary of the whole study.
開發途上國의 外債現況과 償還能力 分析 : 한국을 중심으로 With Emphasis on the Korean Case
李汪宰,姜錫寅 상명대학교 논문집 1986 상명대학교논문집 Vol.18 No.-
External debt is not a new issue. Indeed, it has existed throughout history, but became more signficant internationally after the second World War because of the demand of funds for reconstruction and development. The oil crises of 1973-4 and 1979 exacerbated the external debt problem, particularly for oil-importing developing countries. Poland was the first country rescheduled in March 1981. By the end of 1983, total rescheduling rose to US$ 90 billion. Several factors contributed to the sudden expansion of external debt after the 1970s, First, while grants constituted the bulk of foreign aid after World War Ⅱ, the 1970s saw a shift of loans to developing countries. Second, before the 1970s, most foreign capital was used for internal purposes, while in the post oil crisis period, external purposes became more important. Third, the expansion of the scope of external debt after the oil crises made this issue an international problems, rather than a simple domestic issue. At the end of 1985, total developing countries' external debt stood at US$865 billion. Of this, 89%, or US$ 768 billion was borne by oil importing developing countries. The total developing countries' external debt in 1985 represented a 260% jump over its 1977 level. The Latin American region's debts made up 55.1% of the total, while Asian countries were responsible for 26.5%, showing the severity of the external debt problem in both regions. Indeed, developing countries' external debt has consistently worsened: in 1977, the external' debt to GNP ratio stood at 25%, but deteriorated to 36.4% by 1985; the external debt to export ratio worsened from 127% in 1977 to 150% after 1983; and the debt servicing ratio for these countries was 25.6% at the end of 1985. In this article, the writers have analyzed the external debt and debt service ability of the developing countries, giving special attention to the Korean case. In chapter Ⅱ, the developing countries' external debt status and the origins of the rapid expansion of worldwide external debt have been discussed. In chapter Ⅲ, Korea's external debt was focused, fully considering the structure of external debt. In chapter Ⅳ, the developing countries' debt servicing ability was analysed and the Korean case in particular closely looked at. In chapter Ⅴ, the writers concluded that Korea's external debt status is relatively good, compared with that of other developing countries. Thanks to Korea's foreign assets, the net foreign debt to GNP ratio at 40% is relatively stable. Short term debt constitutes less than 23% of total external debt. In addition, Korea's debt structure is well-balanced among the public and private sectors and bank loans. Korea has also benefited from recent decline in international interest rates as 69% of her external debt is made in floating rates. Korea's debt service ability is also relatively good. Effective economic management has successfully promoted annual growth rates to 5-9%. Korea has benefited from favorable interest rates and the proportion of short-term debt in total debt has been held down. Korea's debt service ratio, including short-term debt is only 20% and Korea enjoys a relative high country credit in international financial markets. Korea's balance of payments is also being improved as a result of increase in exports. On the domestic side, Korean citizens have positively supported the movement to reduce foreign debts. Korea, however, has no natural resources, and so is dependent on the external environment for economic growth. For this reason, Korea must continue to promote domestic savings and consumer's frugality in order to reduce external debt in the future.