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상피성 난소암 세포주에서 1-Cys Peroxiredoxin의 발현과 Cisplatin에 대한 저항성과의 관계

The Relationship between Expression of 1-Cys Peroxiredoxin and Resistance to Cisplatin in Epithelial Ovarian Cancer Cell Lines

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주제분류산부인과학

초록

=목적: 상피성 난소암 세포주에서 1-Cys peroxiredoxin (Prx)과 cisplatin 저항성의 관계를 연구했다.연구 방법: 정상 난소 및 상피성 난소암 조직에 1-Cys Prx에 대한 면역조직화학염색을 시행하고 SKOV-3, OVCAR-3, SNU-8에 cisplatin 투여 후 western blot으로 1-Cys Prx를 측정했다. SKOV-3의 cisplatin 투여 후 경과 시간과 투여량에 따른 1-Cys Prx 발현량 및 cisplatin 투여 후 활성산소종 생성과 항산화제 처리시 세포 생존율을 측정했으며 1-Cys Prx를 과발현시키고 cisplatin 투여 후 TUNEL 측정법을 시행했다.결과: 정상 난소 및 난소암의 상피와 기질에서 1-Cys Prx가 발현되었고 특히 상피세포의 세포질에 강하게 발현되었다. SNU-8과 OVCAR-3는 SKOV-3보다 약 1.5배 더 발현되었고 SKOV-3에 cisplatin 투여 후 48시간 및 cisplatin 3 g/mL 투여시 최대발현을 보였다. Cisplatin 투여 후 활성산소종 생성이 증가하였고 항산화제 농도와 세포 생존율 간에 유의한 상관관계를 보였으며 1-Cys Prx 과발현시 cisplatin 투여 후 세포자멸사를 일으키지 않았다.

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