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Streptozotocin 유도당뇨백서에서의 비반세포에 대한 연구
김광빈(Kwang Bin Kim),이의웅(Eui Wung Lee) 대한구강악안면외과학회 1983 대한구강악안면외과학회지 Vol.9 No.1
This study was initiated to observe what, if any, changes of the number and morphology of Mast Cells, and Mucopolysaccharide of ground substance take place in lamina propria of tongue and buccal mucosa of Streptozotocin-induced diabetic rats. The results were as follows. 1. Mast Cell density was decreased markedly in experimental group. 2. Mast Cell density of the tongue was larger than that of the buccal mucosa in both normal and experimental group. 3. The populations of mast cells were not changed in accordance with the experimental time intervals. 4. The periodic acid-Schiff s reaction for mucopolysaccharide was increased at first in a few days in experimental group, but not prominent after 7 days. 5. The pancreatic islet cells, especilly β cells, were degenerated and necrosed in experimental groups.
김광빈,류건식 한국사회보장학회 1997 社會 保障 硏究 Vol.13 No.2
As the financial condition of corporate pension fund has worsened after the collapse of bubble economy, entrusting companies cannot help paying attention to the management of corporate pension fund. The financial condition of corporate pension fund in Japen has worsened remarkably due to the change in socioeconomic environment such as low birth and death rate,advent of era of low interest rate, and progress of an aging society. According to those situations, concern about employment of corporate pension fund is increasing and the reform of corporate pension fund system including abolition of restriction on fund employment, accountancy of Corporate pension fund, and tax system is reviewed. Since we introduced public pension system in 1988, individual annuity in 1994, and will introduce corporate pension system in 1998, it can be said that our social security system has been converted to three pillar old-age income security system like those of the advanced countries such as United States, Japen, etc. However, because the public pension system introduced in 1988 has many structural problems in terms of financial position, concern about the operation of corporate pension fund is increasing for the sake of the protection of policyholders. From this point of view, first I will classify the operational situation and characteristics of the system and the employment of the fund and compare and analyze each characteristics. Second, considering the recent trends of employment of corporate pension fund, I would like to explore efficient employment methods of corporate pension fund in korea.