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Glycyrrhizin에 의한 Mel/ret mice melanoma세포의 apoptosis유도
오찬호 우석대학교 자연과학연구소 1997 自然科學硏究論文集 Vol.1 No.-
The effect of glycyrrhizin(GL), a Chinese herbal drug extracted from licolice roots0Glycyrrhizae radix, on the apoptosis induction to tumor cells was investigated in a transgenic murine system. DNA fragmentation in cultured mice melanoma cells were significantly increased by the treatment of GL. In addition, Administration of GL to Mel/ret transgenic mice, which were inoculated i.m. with 0.1 ㎎/mice resulted in apoptosis induction, reduction of mitochondrial transmembrane potential(ΔΨm) in melanoma cells from Mel/ret transgenic mice. And lymphocyte subpopulation analysis showed that markedly decreased B220^+ B cells recovered by the treatment of GL in Mel/ret mice splenocytes and mesenteric lymph node colls, while Thy-1^+ T cells did not changed. From these results, it is suggested that GL accelerated apoptosis of melanoma cells and recovered B lymphocyte-mediated humoral immunity in Mel/ret transgenic mice in vitro and in vivo system and these apoptosis-associated events in which a reduction in ΔΨm constitute irreversible stop of ongoing apoptotic cell death. Ultimately, the homeostasis is maintained.
소외된 세대의 복원 : 386세대‘內’에 대한 세대사회학적 접근
오찬호 경희대학교 사회과학연구원 2010 社會科學硏究 Vol.36 No.2
It is somewhat different to focus on groups ‘within’ the generation; to identify different ‘parts’ of the generation. The more ‘parts’ are described in the generation, the more close explanation of the generation could be possible. Therefore, seeing the groups within a generation may allow much more abundant points of proper social analysis to be found. This case study was Based on the assumption. It was carried out on the 386generation, since it was believed to be the most powerful generation in our society. By looking at a lot of groups ‘within’ the generation, not by observing its difference from other generations but by dividing it into tiny parts, we could get to the more close understanding of the generation. 세대‘내’의 세대를 주목하는 것은 색다르다. 그것은 다른 ‘일부’의 세대를 확인하는 것이다. 이것이 복수(複數)형일수록 ‘모든’ 세대를 가장 근접적으로 설명할 수 있는 가능성이 풍부해진다. 세대‘내’를 보게 되면, 훨씬 정교한 사회분석의 지점들을 발견할 수 있다. 이 연구는 이러한 연구주제를 바탕으로 진행되었다. 사례연구로서 386세대가 선정되었다. 이는 386세대가 가장 강력한 하나의 세대로써 존재하고 있기 때문이다. 즉 386세대를 ‘제대로’ 본다는 것은 386세대와 다른 세대의 차이점을 보는 것이 아니라, 386세대 ‘안’을 분절적으로 세분화하여 보는 것이다.
후기청소년 세대들이‘민주주의 이슈’를 이해하는 방식에 대한 연구 : 서울·경기 지역 대학생들에 대한 종단적 분석을 중심으로
오찬호 민주화운동기념사업회 2010 기억과 전망 Vol.0 No.22
Korean undergraduates in their twenties sometimes keep silent about social issues related to democracy and also become aroused at times. Thereupon, this study aims to find ‘the common denominator’ that can analyze such inconsistent identity of theirs. For this, it defines undergraduates in their twenties as post-adolescent generation. This title actually proves that they are the most serious victims related with this economic crisis. This concept exposes plainly the reality that 84% of high school graduates enter universities but 55% of them end up not being hired when they graduate. This research applies to this situation where those in their twenties are theoretical resources such as sociology of generation and sociology of emotion. Post-adolescent generation is not free from ‘the employment issue’ which is mingled with the problems of securing their status or reward. This social condition allows the generation to be analyzed with a variable of social emotion, ‘shame’. Undergraduates can find the reason related to the employment issue either from ‘themselves’ or from ‘society’. The agents that are crystallized separately by these attributions are the very members ‘within’ the post-adolescent generation. This study has been conducted by the following three steps: the first is participant observation; the second is in-depth interview; and the third is focus group interview. This process has verified that although undergraduates in their twenties take a flexible stand on democracy, it has a ‘consistent’ reason. In fact, they have been responding to the social issue ‘in various ways’ based on their own frames of interpretation for the employment issue they all share inevitably with each other.
오찬호,배진범,김남석,전훈,한광수,이문준,권진 한국생약학회 2009 생약학회지 Vol.40 No.2
Methanol extracts of Orostachys japonicus A. Berger (OAB) were found to exhibit apoptosis induction of HL60 human acute promyelocytic leukemia cells. Treatment of OAB exerted strong cytotoxicity against HL60 cells. OAB induced DNA fragmentation of HL60 cells in a dose dependent manner. Nitric oxide production were also increased in OAB-treated RAW264.7 macrophage cell lines. Treatment of OAB increased the expression of p53 and iNOS gene and the expression of p53, NF-κB and iNOS protein in cultured HL60 and RAW264.7 cells. These results suggest that OAB are effective on strong anti-cancer properties and can be useful as a chemo-preventive agents.