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이지연,정조원,홍창호 아주대학교 1997 아주의학 Vol.2 No.1
Pulmonary artery sling is a rare congenital vascular anomaly in which the left pulmonary artery arises aberrantly from the proximal part of the right pulmonary artery and encircles the right main bronchus and distal trachea before entering the hilum of the left lung. This causes compression of the trachea and right main bronchus, and most infants with this anomaly have severe respiratory distress within the first year of life. Associated anomalies are common, and particularly, tracheobronchial anomalies occur in 40% of the patients. Major cardiovascular anomalies including ventricular septal defect, atrial septal defect, patent ductus arteriosus, tetralogy of Fallot, common ventricle, and coarctation of the aorta, occur in about half of the affected infants. We have experienced an 11-month-old male infant with respiratory distress, wheezing, and cyanosis. He was diagnosed as pulmonary artery sling associated with left bronchial hypoplasia by echocardiography, angiography, and chest CT scan. Other associated anomalies were left kidney agenesis, right megaureter and right kidney hypertrophy, diagnosed by abdominal sonography and IVP. We report this case with a brief review of literature.
원거리 허혈양상화가 흰쥐의 심장근육에서 NOS와 Akt 발현에 미치는 영향
조지연(Ji-Yon Jo),서윤경(Youn-Kyoung Seo),전수경(Su-Kyoung Jeon),백두진(Doo-Jin Paik) 대한체질인류학회 2008 대한체질인류학회지 Vol.21 No.1
원거리 허혈양상화는 생명유지와 밀접한 관련이 없는 장기에서 짧은 허혈과 재관류를 반복하는 과정으로, 심장의 기능 장애에 의한 허혈손상을 감소시킨다고 알려져 있고, 원거리 허혈양상화는 iNOS를 감소시키고 eNOS를 증가시키며, Akt를 활성화시켜 심장근육을 보호한다고 알려져 있다. 본 실험은 원거리 허혈양상화가 흰쥐의 심장근육에서 관찰되는 iNOS와 eNOS, Akt의 발현 및 Akt의 활성화 (phospho-Akt, p-Akt)에 미치는 영향을 알아보고자 실시하였다. 35주령의 SD 수컷 흰쥐를 사용하여 대조군과 원거리 허혈양상화군으로 나누었고, 원거리 허혈양상화의 횟수에 따라 3회와 6회, 10회군으로 나누었다. 원거리 허혈양상화는 온엉덩동맥을 5분 허혈과 5분 재관류를 반복하여 실시하였고, 재관류 0시간과 3시간, 6시간, 24시간, 72시간에 심장을 적출하여 iNOS와 eNOS, Akt, p-Akt의 면역조직화학염색과 Western blot 분석을 시행하여 다음과 같은 결과를 얻었다. iNOS는 원거리 허혈양상화에 의하여 증가되었고, 10회군에서는 3회와 6회군보다 증가되었다. eNOS는 원거리허혈양상화에 의하여 증가 또는 감소되었으나, 횟수에 따른 eNOS 발현의 차이는 없었다. Akt는 원거리 허혈양상화 후 재관류 24시간과 72시간에 감소되었고, 횟수에 따른 Akt 발현의 차이는 없었다. p-Akt는 원거리 허혈양상화에 의하여 증가되었으나, 횟수에 따른 p-Akt 발현의 차이는 없었다. 이상의 실험결과로, 흰쥐 뒷다리에서 실시한 원거리 허혈양상화로 증가된 세포보호단백질 eNOS와 p-Akt가 심장근육세포의 보호현상에 관련이 있을 것으로 생각되며, 10회 이상의 원거리 허혈양상화는 iNOS를 증가시켜 심장근육의 허혈손상을 일으키는 것으로 생각된다. Remote ischemic preconditioning (IP), brief tolerating cycles of ischemia and reperfusion in remote non-vital organs, can reduce ischemic injury of the heart. IP induces cardiac protection by down-regulating iNOS or up-regulating eNOS. In addition, Akt has been known to protect myocardium against ischemia-reperfusion injury. This study was undertaken to observe the expression of iNOS, eNOS, Akt and phospho-Akt (p-Akt) in the rat myocardium after IP. Thirty-five weeks-old male Sprague-Dawley rats were divided into control and IP groups. The IP group was further subdivided into 3 groups based on the number of cycles of IP. For IP, left commom iliac artery was occluded 3, 6 and 10 cycles for 5 min of ischemia alternating with 5 min of reperfusion. The rat were sacrificed at 0, 3, 6, 24 and 72 hours of IP and the heart was removed. The expression of iNOS, eNOS, Akt and p-Akt in the rat myocardium was examined by immunohistochemical staining and Western blot analysis. The expression of iNOS was increased by IP and was higher in 10IP groups than 3IP and 6IP group. The expression of eNOS was increased or decreased by IP and was showed no difference with increasing episode of IP. The expression of Akt was decreased by IP at 24 and 72 hours after reperfusion, and showed no differences with increasing episode of IP. The expression of p-Akt was increased by IP and showed no difference with increasing episode of IP. These results suggest that hind limb ischemic preconditioning provides cardiac protection through up-regulation of eNOS and phosphorylation of Akt, however excessive episodes of remote preconditioning may induce the myocardial ischemic injury through overexpression of iNOS.
趙昌衍 公州大學校 地域開發硏究所 1995 地域開發硏究論叢 Vol.3 No.1
The purposes of this study are to itentify locational types of the KIA auto parts industry and to find out the factors which influence location decision and change. For this purposes, subcontractors of KIA automobile company have been selected as research subjects to examine patterns and processes of locational changes. The results of the study are as follows; This study has also investigated location patterns of auto part companies which suppiled KIA. The results of the analysis confirms us that location of auto part companies supplied KIA are mostly located in the Seoul metropolitan area and other location decision factors is cheap land available for plant. Locational change factors are cheap land and need of JIT.
普照의 禪思想 硏究 : 普照법어 "眞心直說"을 中心으로
趙庸沇 圓光大學校大學院 1982 學位論叢 Vol.8-1 No.-
Bojo Jinul, a representative figure of the Zen sect in Korea Dynasty, was a pioneer who verified an original position in the Korean Buddhist thought history through the Gan Hoa Zen-the Zen which promises to reach us a divine enlightenment by studying a catechetic question for meditation of the ancientsts. If Dae Gak Euy Cheon, a naional priest who attained a divine enlightenment, tried to reconcile "religion" with "Zen" in the Kyo sect's (non-Zen Buddhism) stand, while Jinul "Zen" with "religion" in the Zen sect's stand. Saint Jinul' s Zen thouht can be explained by monism of Zen and religion, "Jeong Hae Ssang-Su (定慧雙修)" -training both concentration of mind and truth and wisdom, "Sim Jeuk Si Bul (心卽是佛)" -equalizing mind with Budda, "Don 0 Jeom Su (頓悟漸修) "-training gradually after sudden enlightenment, "Gan Hoa Gyeong Jeol" (看話經截) -a route to attain a divine enlightenment not through the Buddhist Scripture but through seeing and talking, "Hoa Eom thought and sincerity theory etc. Summerizing these again, they can be divided into three main thoughts largely;thought of reunion, perfectibility and unity. Saint Jinul made sure that "mouth" and "mind" of Budda and priest are not originally different and wanted to verify it by Kyo sect (non-Zen Buddhism) what he had perceived through his Zen training. Through the process of unity and reunion, perfectibility and parallelism etc., Jinul's Zen thought is brought to a conclusion of sincerity theory in the end. By writing (Sincere mind and Direct sayings) (眞心直說) Saint Jinul minutely clarified the route from bringing heart to light to making the best of it. (Sincere mind and Direct saying) is the outstanding masterpiece among his Zen works, in which saint Jinul's Zen thought is systemetically clarified. Saint Iinul did not come to an end only in clarifying the pure, original mind of heart but emphasized that, after this clarifying, it must be laid up by persevering in our efforts like "Jeong Jo (正助)" -rnaking a pause of desultory thoughts by absent mind study and doing general good - and "Heom Gong (驗攻) " - testing and training sincerity after clarifying it-and it must be a living Zen like "Acting is Zen and Sitting is Zen (行亦神坐亦神) "which makes the best use of them in the end.