Environmental Analysis Health and Toxicology

환경독성보건학회 (The Korean Society of Environmental Health and Toxicology)
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RBL-2H3 세포에서 hexamethylene bisacetamide의 세포독성과 telomerase 활성과의 관계

Induction of Cytotoxicity by HexamethyleneBisacetamide is Associated with the Activity of Telomerase in RBL-2H3 Cells

  • 발행 : 2004.09.01
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초록

본 연구는 비만세포의 일종인 RBL-2H3 세포주에 대한 hexamethylene bisacetamide (HMBA)의 세포독성 유도 기전이 telomerase의 활성과 관계가 있다는 것에 대한 보고이다. RBL-2H3 세포주에 5mM HMBA를 처리시 그 세포주의 세포성장이 억제 되었다. 기전연구로서 HMBA는 telomerase활성을 억제 하였으며 RT-PCR에 의한 결과 telomerase mRNA발현의 억제에 의한 것이었다. Madl은 telomerase의 발현을 억제하는 억제인자로 잘 알려져 왔으며 이를 확인해본 결과 Madl은 발현은 유의성있게 증가 되었다. 이를 종합해보면, HMBA에 의한 RBL-2H3 세포주에 대한 세포독성은 Madl 발현의 증가에 따른 telomerase발현의 억제에 기인하는 것으로 밝혀졌다.

키워드

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