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논문 기본 정보

자료유형
학술저널
저자정보
Lee Na Kyeong (Sungkyunkwan University) Wang Chi-Pin James (Sungkyunkwan University) Lim Jaesung (성균관대학교) Park Wooram (The Catholic University of Korea) Kwon Ho-Keun (Yonsei University College of Medicine) 김세나 (서울대학교) 김태형 (중앙대학교) 박천권 (성균관대학교)
저널정보
나노기술연구협의회 Nano Convergence Nano Convergence Vol.8 No.24
발행연도
2021.8
수록면
1 - 11 (11page)
DOI
10.1186/s40580-021-00274-7

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Antibodies have been widely used to provide targeting ability and to enhance bioactivity owing to their high specificity, availability, and diversity. Recent advances in biotechnology and nanotechnology permit site-specific engineering of antibodies and their conjugation to the surfaces of nanoparticles (NPs) in various orientations through chemical conjugations and physical adhesions. This study proposes the conjugation of poly(lactic- co -glycolic acid) (PLGA) NPs with antibodies by using two distinct methods, followed by a comparison between the cell-targeting efficiencies of both techniques. Full-length antibodies were conjugated to the PLGA-poly(ethylene glycol)-carboxylic acid (PLGA-PEG-COOH) NPs through the conventional carbodiimide coupling reaction, and f(ab′) 2 antibody fragments were conjugated to the PLGA-poly(ethylene glycol)-maleimide(PLGA-PEG-Mal) NPs through interactions between the f(ab′) 2 fragment thiol groups and the maleimide located on the nanoparticle surface. The results demonstrate that the PLGA nanoparticles conjugated with the f(ab′) 2 antibody fragments had a higher targeting efficiency in vitro and in vivo than that of the PLGA nanoparticles conjugated with the full-length antibodies. The results of this study can be built upon to design a delivery technique for drugs through biocompatible nanoparticles.

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