THE POLYMER SOCIETY OF KOREA

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세션명 대학원생 구두발표 (II)
발표장 제10회장 (105)
논문코드 1O10-2
발표일 2018-10-11
발표시간 13:45-14:00
논문제목 ROS-responsive thioether-based polymers for cancer-targeted therapy
발표자 김윤석
발표자 소속 인천대학교 생명 나노바이오공학
저자 김윤석, 김수민1, 심민석2,†
소속 인천대학교 생명 나노바이오공학; 1가톨릭대학교 약학대학; 2인천대학교
논문초록 Piperlongumine (PL) has attracted attention for promising pro-oxidant anticancer agent that can induce increase in intracellular reactive oxygen species (ROS). PL exhibits cancer-specific cytotoxicity via enhancement of intracellular ROS concentration in cancer cells, However, its poor solubility in aqueous solution is a critical drawback to compromise its therapeutic efficacy. To overcome this, we developed low-toxic ROS-responsive thioether-bearing polymer (TEP) to effectively deliver PL to cancer cells. TEP bears ROS-sensitive sulfide and ester groups. TEP successfully formed nanoparticles encapsulating PL (PL-TEP NPs). Importantly, PL-TEP NPs revealed superior cytotoxicity in human breast cancer cells (MCF-7) over normal human dermal fibroblast cells (hDFB). This study demonstrates that TEP-based nanoparticles are effective and low-toxic ROS-responsive drug carriers for hydrophobic PL, and PL-TEP NPs have high potential for cancer-specific pro-oxidant therapy.