前药
放射治疗
癌症研究
化学
纳米颗粒
超声波
肿瘤微环境
限制
药理学
医学
纳米技术
材料科学
内科学
肿瘤细胞
放射科
机械工程
工程类
作者
Ganghao Liang,Tumpa Sadhukhan,Samya Banerjee,Dongsheng Tang,Hanchen Zhang,Minhui Cui,Nicolás Montesdeoca,Johannes Karges,Haihua Xiao
标识
DOI:10.1002/anie.202301074
摘要
Abstract The development of Pt IV prodrugs that are reduced into the therapeutically active Pt II species within the tumor microenvironment has received much research interest. In order to provide spatial and temporal control over the treatment, there is a high demand for the development of compounds that could be selectively activated upon irradiation. Despite recent progress, the majority of Pt IV complexes are excited with ultraviolet or blue light, limiting the use of such compounds to superficial application. To overcome this limitation, herein, the first example of Pt IV prodrug nanoparticles that could be reduced with deeply penetrating ultrasound radiation is reported, enabling the treatment of deep‐seated or large tumors. The nanoparticles were found to selectively accumulate inside a mouse colon carcinoma tumor upon intravenous injection and were able to eradicate the tumor upon exposure to ultrasound radiation.
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