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Reactive Oxygen Species Downregulate Catalase Expression via Methylation of a CpG Island in the Oct-1 Promoter

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Authors
전소연
Advisor
정구흥
Major
생명과학부
Issue Date
2012-02
Publisher
서울대학교 대학원
Description
학위논문 (석사)-- 서울대학교 대학원 : 생명과학부, 2012. 2. 정구흥.
Abstract
Reactive oxygen species (ROS) caused oxidative stress plays a key role in carcinogenesis. The POU domain transcription factor Oct-1 and catalase is closely associated with ROS. However, a correlation between these two key proteins has not been demonstrated before. In this report, we show that Oct-1 acts as an activator of catalase, by binding to the catalase promoter in hepatocellular carcinoma (HCC) cell lines. In addition, we suggest that Oct-1 is downregulated by ROS via CpG island methylation in its promoter. These findings contribute to a better understanding of the epigenetic changes induced by ROS in the process of carcinogenesis.
Language
eng
URI
http://hdl.handle.net/10371/155042

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College of Natural Sciences (자연과학대학)Dept. of Biological Sciences (생명과학부)Theses (Master's Degree_생명과학부)
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