期刊
NANOSCALE
卷 7, 期 8, 页码 3614-3626出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr00072f
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类别
资金
- Natural Science Foundation of China [21274169, 31170923]
- Natural Science Foundation of Chongqing Municipal Government [CSTC2013kjrc-ljrcpy0004, CSTC2013jjB50004]
- 111 project [B06023]
This study reports a biocompatible controlled drug release system based on mesoporous silica nanoparticles (MSNs) for tumor microenvironment responsive drug delivery. It was fabricated by grafting phenylboronic acid conjugated human serum albumin (PBA-HSA) onto the surfaces of MSNs as a sealing agent, via an intermediate linker of a functional polypeptide, which was composed of two functional units: the polycation cell penetrating peptide (CPP) polyarginine, and matrix metalloproteinase 2 (MMP-2) substrate peptide. A series of characterizations confirmed that the system had been successfully constructed. In vitro tests proved that the anticancer drug loading system could efficiently induce cell apoptosis in vitro. More importantly, the in vivo tumor experiments confirmed that the anticancer loading system could efficiently inhibit tumor growth with minimal side effects.
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