화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2008년 가을 (10/09 ~ 10/10, 일산킨텍스)
권호 33권 2호
발표분야 의료용 고분자 부문위원회
제목 Tumor vasculature targeting using thiol-reactive PEG-PLLA micelles
초록 The functionalization of polymeric micelles with tumor-homing peptides enables them to achieve the enhanced therapeutic efficacy against tumors. Herein, vinylsulfone-terminated PEG-PLLA (VS-PEG-PLLA) was synthesized as a thiol-reactive amphiphilic block copolymer and VS-PEG-PLLA micelles revealed the size around 35 nm with a spherical shape. The reactivity of micelles toward thiol-contained targeting ligands (CREKA and cRGDfC) was evaluated by monitoring thiol concentration with Ellman’s method. For tumor vasculature targeting, single or dual ligands-tethered PEG-PLLA micelles were prepared and their in vivo targetability was investigated by optical imaging.
저자 배진우, 박경민, 이유진, 박기동
소속 아주대
키워드 Polymeric micelle; tumor targeting; peptides; imaging
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