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일측 신장의 허혈-재관류 모델에서 신조직내 TGF-β, TNF-α, 및 Endothelin-1 유전자 발현에 관한 연구
신영태(Young Tai Shin),김종학(Jong Hak Kim),황평주(Pyeung Joo Hwang),이강욱(Kang Wook Lee),서광선(Kwang Sun Suh),구영선(Young Sun Koo),강민규(Min Kyu Kang) 대한신장학회 2000 Kidney Research and Clinical Practice Vol.19 No.1
N/A Although the exact pathogenetic mechanisms of the renal ischemia-reperfusion injury(I-R injury) have not been clearly elucidated yet, the reactive oxygen spe-cies(ROS) and mononuclear cell infiltration have been suggested to contribute to this renal injury process. The cytokines and growth factors produced by infiltrated leukocytes and renal parenchymal cells could accelerate the process of tissue damage by inducing cellular proliferation, fibrosis, and further recruitment of other inflammatory cells. The renin-angiotensin sys- tem(RAS) also has been suggested to be one of the most important mediators in the renal injury process of many animal models and human renal diseases. In order to evaluate the change of the levels of TNF-α, endothelin-l, and TGF-βgene expression in unilateral I-R injured renal cortical tissue, competitive RT-PCR was performed for the above mRNAs in Sprague-Dawley rats(60 minutes of ischemic time by non-traumatic vessel clamp and 24 hours of reperfusion). Also the plasma renin activity(PRA) and an-giotensin II(AII) level were measured at the time of sacrifice by radioimmunoassay. On the light miscroscopic examination, I-R injured renal cortical tissue showed typical findings of acute tubular necrosis, such as mononuclear ceU infiltration, necrosis, swelling and denudation of proximal tubular cells. Compared to control sham operated group, I-R injured group tissues showed significantiy increased level of TGF-β(p<0.05), endothelin-l(p<0.05) and TNF-α(p<0.05) gene expression in 24 hours after I-R renal injury. The levels of PRA and AIl were also significantly elevated compared to sham group(p< 0.05, p<0.05, respectively). In conclusion, we speculate that the early activation of RAS and elevated gene expression of TNF-α, endothelin and TGF-β of renal cortieal tissue may contribute to the early pathogenetic mechanism of I-R renal injury process.
사전의사결정(Advance Directives, 死前意思決定)에 대한 사법연수원생들과 전공의와 수련의들의 인식도 조사
신영태 ( Young Tae Shin ),이일학 ( Il Hak Lee ),김선현 ( Sun Hyun Kim ),이희일 ( Hee Il Lee ) 한국의료윤리학회 2008 한국의료윤리학회지 Vol.11 No.1
Background: The legal and ethical issues related to advance directives have recently become controversial in Korea. This study was designed to determine whether there are any significant differences between judicial apprentices and medical trainees (including residents and interns) with respect to their attitudes toward advance directives. Methods: A questionnaire was administered to 283 judicial apprentices from May 29 to June 9, 2006, and to 254 medical trainees (150 residents and 104 interns) from May 1 to July 31, 2006. Thus, there were a total of 537 respondents in this study. Results: More medical trainees than judicial apprentices were familiar with advance directives (P < 0.05). More medical trainees than judicial apprentices claimed that a law for advance directives was necessary (P < 0.05). After adjusting for other predisposing factors, differences between the two groups were still statistically significant (P = 0.038). After adjusting other predisposing factors, it is found that the group which knew about advance directives beforehand responded more positively to the question whether legislation for advance directives was necessary than the group which didn`t(P=0.000). Conclusion: In this study, the difference in the number of medical trainees versus judicial apprentices who were familiar with advance directives was found to be statistically significant (P < 0.05). This caused statistically significant differences between the number of judicial apprentices versus medical trainees who believed that a law covering advance directives is needed. Therefore, greater awareness of advance directives is needed in order to establish a law governing them.
연안어업의 관리제도 개선방향 - 어선어업을 중심으로 -
신영태(Young Tae Shin),김승(Seung Kim) 한국수산경영학회 2002 수산경영론집 Vol.33 No.1
Reduction of fishing grounds, which was caused by the recent fisheries agreements between Korea, Japan, and China, is increasing the importance of coastal fisheries. Korea`s coastal fisheries, however, need special management measures owing to the following problems. First, there are too many fishing fleets even though fisheries resources are continuously decreasing. Despite the fact that some of the fishing vessels have been scrapped, there still remain too many vessels and especially approximately 27,000 vessels increased during 1997-1998. Second, as the condition of fisheries resources changed radically, many fishermen are fishing by methods which they were not permitted to. These fishing methods cannot be legally supported and so there is a huge gap between the system and the reality. Third, two or three licenses are given to each coastal fishing vessel because a single license cannot give sufficient income, but some of these are formally acquired. So under such circumstances, efficient management of fisheries is impossible. Fourth, absence of demarcation among regions and industries is causing frequent conflicts and there are concerns about the decreasing fisheries resources due to competitive fishing practices. Therefore, considering the above mentioned problems Korea`s coastal fisheries management should be developed as the following: First, new licenses should be limited while expanding the buy-back program. The government is currently planning to limit new licenses by introducing the fixed license number system in coastal fisheries but is somewhat passive about the buy-back program. Second, fisheries management which is based on self-regulation should be established. In order to increase the effect of fisheries management, the fishermen should decide by themselves the fish and fishing methods they would be exploiting and directly regulate them. Third, it is necessary to integrate the licenses of coastal fisheries. Since coastal fisheries management through the license system has distinct limitations, it is preferable to unify fishing licenses and let the fishermen decide specific matters on their own. Finally, it is necessary to establish boundaries among the regions and industries. Joint fishing areas among regions(cities and provinces) should be established and fishing in other areas should be permitted on condition of paying the required fees. On the other hand, it is also necessary to permit coastal fishing only within certain distances.
신장내과로의 진료의뢰 시기가 혈액투석 환자에게 미치는 영향
이영모 ( Young Mo Lee ),이한규 ( Han Kyu Lee ),권오경 ( O Kyung Kwon ),장동석 ( Dong Seok Jang ),이수윤 ( Soo Yoon Lee ),이상주 ( Sang Ju Lee ),나기량 ( Ky Rhryang Na ),이강욱 ( Kang Wook Lee ),신영태 ( Young Tai Shin ) 대한내과학회 2004 대한내과학회지 Vol.67 No.6
Background : It has been speculated that many factors including age, hemoglobin serum albumin level and socioeconomic factors are closely related with the mortality and morbidity of patients with end-stage renal disease (ESRD). Optimal management of the p