Supramolecular nanostructures formed by anticancer drug assembly.

Supramolecular nanostructures formed by anticancer drug assembly.
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DOI:
10.1021/ja3115983
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发表时间:
2013-02-27
影响因子:
15
通讯作者:
Cui, Honggang
Cui, Honggang
中科院分区:
化学1区
文献类型:
--
作者:
Cheetham, Andrew G.;Zhang, Pengcheng;Lin, Yi-an;Lock, Lye Lin;Cui, Honggang

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We report here a supramolecular strategy to directly assemble the small molecular hydrophobic anticancer drug camptothecin (CPT) into discrete, stable, well-defined nanostructures with a high and quantitative drug loading. Depending on the number of CPTs in the molecular design, the resulting nanostructures can be either nanofibers or nanotubes, and have a fixed CPT loading content ranging from 23% to 38%. We found that formation of nanostructures provides protection for both the CPT drug and the biodegradable linker from the external environment and thus offers a mechanism for controlled release of CPT. Under tumor-relevant conditions, these drug nanostructures can release the bioactive form of CPT and show in vitro efficacy against a number of cancer cell lines. This strategy can be extended to construct nanostructures of other types of anticancer drugs, and thus presents new opportunities for the development of self-delivering drugs for cancer therapeutics.
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