Polymeric micelles for neoadjuvant cancer therapy and tumor-primed optical imaging.
Polymeric micelles for neoadjuvant cancer therapy and tumor-primed optical imaging.
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用于新辅助癌症治疗和肿瘤培养的光学成像的聚合物胶束。
DOI:
10.1021/nn202676u
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发表时间:
2011-11-22
期刊:
影响因子:
17.1
通讯作者:
Kwon GS
中科院分区:
文献类型:
--
作者:
Cho H;Kwon GS
Poly(ethylene glycol)-block-poly(D,L-lactic acid) (PEG-b-PLA) micelles act as a 3-in-1 nanocontainer for three poorly water-soluble drugs–paclitaxel, 17-allylamino-17-demethoxygelda-namycin, and rapamycin (PTX/17-AAG/RAPA)–for cancer therapy. In a LS180 human colon xenograft model, a single intravenous (IV) injection of 3-in-1 PEG-b-PLA micelles reduced tumor volume by 1.6-fold with <10% body weight change. In a second step, IV injection of poly(ethylene glycol)-block-poly(ε-caprolactone) (PEG-b-PCL) micelles carrying a carbocyanine dye (1,1′-dioctadecyl tetramethyl indotricarbocyanine iodide (DiR)) after 48 h resulted in a 2.1-fold higher near-infrared (NIR) optical signal from excised solid tumors versus a negative control, presumably due to a reduction in tumor cell density and interstitial tumor pressure. Thus, a tandem of 3-in-1 PEG-b-PLA and PEG-b-PCL micelles could potentially be used for neoadjuvant cancer therapy and tumor-primed NIR optical imaging for intraoperative surgical guidance in oncology, offering a promising multimodal strategy for cancer therapy and imaging.
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