Ionizing radiation attracts tumor targeting and apoptosis by radiotropic lysyl oxidase traceable nanoparticles

被引:11
|
作者
Cho, Wheemoon [1 ,5 ,6 ]
Kim, Min Sup [1 ]
Lee, Kee-Ho [2 ]
Park, Sang Jun [1 ]
Shin, Hyun-Jin [2 ]
Lee, Yong Jin [3 ]
Kim, Sang Bum [4 ]
Son, Youngsook [5 ,6 ]
Kim, Chun-Ho [1 ]
机构
[1] Korea Inst Radiol & Med Sci, Lab Tissue Engn, Seoul 01812, South Korea
[2] Korea Inst Radiol & Med Sci, Div Radiat Canc Res, Seoul, South Korea
[3] Korea Inst Radiol & Med Sci, Div RI Convergence Res, Seoul, South Korea
[4] Korea Inst Radiol & Med Sci, Dept Surg, Seoul, South Korea
[5] Kyung Hee Univ, Coll Life Sci, Dept Genet Engn, Yongin, South Korea
[6] Kyung Hee Univ, Grad Sch Biotechnol, Yongin, South Korea
基金
新加坡国家研究基金会;
关键词
LOX-traceable nanoparticles; Radiotropic; Stimulus inducible; Targeting; Ionizing radiation; Chemo-radiotherapy; ALBUMIN-BOUND PACLITAXEL; CELL LUNG-CANCER; CONCURRENT CHEMORADIOTHERAPY; NEOADJUVANT CHEMOTHERAPY; EXTRACELLULAR-MATRIX; DRUG-DELIVERY; RADIOTHERAPY; NANOMEDICINE; MODELS; RADIORESISTANCE;
D O I
10.1016/j.nano.2019.102141
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Lysyl oxidase (LOX) is a cell-secreted amine oxidase that crosslinks collagen and elastin in extracellular microenvironment. LOX-traceable nanoparticles (LOXab-NPs) consisting of LOX antibodies (LOXab) and paclitaxel, can accumulate at high concentrations at radiation-treated target sites, as a tumor-targeting drug carrier for chemotherapy. Tumor-targeting and anticancer effects of PLGA based LOXab-NPs in vitro and in vivo were evaluated at radiation-targeted site. In the in vivo A549 lung carcinoma xenograft model, we showed highly specific tumor targeting (above 7.0 times higher) of LOXab-NPs on irradiated tumors. Notably, systemically administered NPs delayed tumor growth, reducing tumor volumes by more than 2 times compared with non-irradiated groups (222% vs. N500%) over 2 weeks. Radiotropic LOXab-NPs can serve as chemotherapeutic vehicles for combined targeted chemo-radiotherapy in clinical oncology. (C) 2019 Elsevier Inc. All rights reserved.
引用
收藏
页数:12
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