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신영태 한국수산경영학회 1999 수산경영론집 Vol.30 No.2
This paper focused on meaning, problems and prospect of structural reform of coastal and offshore fisheries in Korea. Structural reform can be defined as effective combination of production factors in order to enhance fisheries productivity and it can be realized mainly through fleet reduction, modernization of fishing vessels and fishing gear etc. However, the structural reform alone will not be sufficient to advance Korean fisheries facing with severe challenges from both inside and outside. Domestically, worsening status of fisheries resources, decreasing number of fishermen, worsening financial status of fisheries businesses and severe competition cause structural problem in fisheries sector and internationally the pressure from WTO and OECD to reduce tariff and subsides in fisheries poses severe challenges. The structural reform should be carried out in relation with the general adjustment programs across coastal and offshore fisheries such as M&A among fisheries businesses, adjustment of number of fishing permits and fishing areas. And the policy to enhance the fishing productivity is needed for recovery of fisheries resources and for the reduction of fishing efforts, that is, the approach which combines economic and resources concerns is needed. For the effective implementation of the reform, effect analysis of the reform program is needed and at the same time, eradication of illegal fishing, reduction of fishing fleet and reduction of fishing cost should be realized. However, the most important thing is the will and efforts of the government for successful reform. If the government does not exert sufficient efforts for the structural reform, Korea could be degraded into a backward country in fisheries.
자발적 초점성분절성사구체경화증 Mouse 모델에서 TGF-β및 MCP-1 유전자발현에 미치는 Renin Angiotensin System 의 영향에 관한 연구
신영태,서광선,이강욱 충남대학교 의과대학 지역사회의학연구소 1999 충남의대잡지 Vol.26 No.1
The role of angiotensin Ⅱ in the pathogenesis of the progressive renal injury process has been studied in many human renal diseases and animal renal injury models. The inhibition of angiotensin Ⅱ also has been reported to be effective to attenuate renal injury process in many human renal diseases and animal models. The activation of TGF-β and MCP-1 gene is thought to be related with renal injury process. A mutant strain FGS/Nga/Kist mouse is reported to develop focal and segmental glomerulosis, spontaneously. In order to evaluate renal pathology, MCP-1 and TGF-β gene expressions and the effect of renin-angiotensin system inhibition, 8 FGS/Nga/Kist mice were treated by angiotensin converting enzyme inhibitor, enalapril (150 mg/L in drinking water) for 12 weeks. Another non-treated, agematched 8 FGS/Nga/Kist mice and 6 nomal CBA/Nga mice were also included in this study. The urinary protein excrtion, magnitude of glomerular sclerosis, and renal express of MCP-1 and TGF-β were evaluated by uristick, light microscopic examination and competitive RT-PCR, respectively. CBA/Nga mice did not show significant proteinuria. However, urinary protein scores of enalapril-treated FgS/Nga/Kist mice was significantly lower than that of non-treated FGS/Nga/Kist mice (2.0±0.3, 4.1±0.5, respectively, p <0.05). Focal and segmental glomerular scierosis index of enalapril treated FGS/Nga/Kist mice was significantly lower than that of non-treated FGS/Nga/Kist mice (120±13, 189±15, respectively, p < 0.05). The level of renal TGF-β gene expression of enalapril treated FGS/Nga/Kist was significantly higher than that of CBA/Nga mice (4.7±1.3, 1.0±0.3, respentively, p< 0.05). But, enalapril treated FGs/Nga/Kist mice showed significantly lower level of TGF-β expression than that of non-treated FGS/Nga/Kist mice(p<0.05). MCP-1 gene expression of untreated FGS/Nga/Kist mice was significantly lower than that of CBA/Nga mice. However, enalapril treated FGS/Nga/Kist mice showed markedly increased level of MCP-1 gene expression compared to the untreated FGS/Nga/Kist mice(9.8±1.8, 3.6±1.2, respectively, p<0.05). With the above result, we speculate that angiotensin converting enzyme ingibition attenuates the renal injury process in this model and the regulation pathway of MCP-1 by renin-angiotensin system may be different from other animal renal injury models.
신영태,황평주,김종학,강민규,구영선,양종오,장윤경,이강욱 충남대학교 의과대학 지역사회의학연구소 1999 충남의대잡지 Vol.26 No.1
CAPD has established itself as an effective method maintaining the patients with end stage renal disease. CAPD peritonitis is one of the most important complication of peritoneal dialysis. We analyzed the incidence, pathogens, and outcome of the peritonitis, of the 95 patients who underwent CAPD at CNUH from January 1993 to July 1998. The result were as follows : 1) A total of 72 episodes of peritonitis occurred during this periods. The incidence of peritonitis were 0.64/patient/year. 2) The first episode of peritonitis was occurred within a year in 75%, within two year in 95.8%. 3) The rate of positive and negative culture were 27.8% and 72.2% respectively. Gram positive organisms were cultured in 60%, Gram negative organisms in 40%. S. aureus were most prevalent organisms(30%). 4) The cure rate were 83.3% in Gram positive organisms and 62.5% in negative organisms. 5) Peritoneal catheter were removed in 18 cases. Among them, 7 cases are due to peritonitis. In conclusion, improved technology and increasing patients' effort to careful management of catheter will reduce the incidence of peritonitis.