Highly efficient ablation of metastatic breast cancer using ammonium-tungsten-bronze nanocube as a novel 1064 nm-laser-driven photothermal agent

被引:107
作者
Guo, Chongshen [1 ]
Yu, Haijun [2 ]
Feng, Bing [2 ]
Gao, Weidong [2 ]
Yan, Mei [1 ]
Zhang, Zhiwen [2 ]
Li, Yaping [2 ]
Liu, Shaoqin [1 ]
机构
[1] Harbin Inst Technol, Key Lab Microsyst & Microstruct, Minist Educ, Harbin 150080, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Mat Med, Ctr Pharmaceut, Shanghai 201203, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
Photothermal ablation therapy; Cancer; Metastasis; Tungsten bronze; SYSTEMIC THERAPY; IN-VITRO; CELLS; NANOPARTICLES; RESISTANCE; NANORODS; PLATFORM; OXYGEN;
D O I
10.1016/j.biomaterials.2015.02.054
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Photothermal ablation (PTA) therapy has been viewed as an invasive option for cancer therapy with minimal deconstruction of healthy tissues. In this study, a potent candidate of (NH4)(x)NO3 nanocube was developed for PTA treatment of metastatic breast cancer in the second near-infrared (NIR) window. It was found that the as-synthesized (NH4)(x)WO3 nanocube had significant photoabsorption across the whole NIR window of 780-2500 nm and exhibited considerable photo-heat conversion efficiency. Moreover, the as-prepared (NH4)xWO(3) nanocube displayed good biocompatibility and high cellular uptake efficiency through endocytosis pathway without nuclei entry. The PTA study employing 1064 nm laser in the second NIR window revealed that (NH4)(x)WO3 nanocubes induced significant cell necrosis and apoptosis by producing obviously hyperthermia effect inside cancer cells. Using an orthotopicly implanted breast tumor model, it demonstrated that the (NH4)(x)NO3 nanocube was a promising photothermal agent for effective ablation of solid tumors and suppressing their distant metastasis. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:407 / 416
页数:10
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