期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 57, 期 2, 页码 411-420出版社
AMER CHEMICAL SOC
DOI: 10.1021/jm4017202
关键词
-
资金
- MINECO [MAT2011-25472]
- Marie Curie Program [237962 CYCLON]
An essential challenge in the development of nanosized metal organic framework (nanoMOF) materials in biomedicine is to develop a strategy to stabilize their supramolecular structure in biological media while being able to control drug encapsulation and release. We have developed a method to efficiently encapsulate topotecan (TPT, 1), an important cytotoxic drug, in biodegradable nanoMOFs. Once inside the pores, 1 monomers aggregate in a ship in a bottle fashion, thus filling practically all of the nanoMOFs' available free volume and stabilizing their crystalline supramolecular structures. Highly efficient results have been found with the human pancreatic cell line PANC1, in contrast with free 1. We also demonstrate that one- and two-photon light irradiation emerges as a highly promising strategy to promote stimuli-dependent 1 release from the nanoMOFs, hence opening new standpoints for further developments in triggered drug delivery.
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