國家衛生研究院 NHRI:Item 3990099045/11774
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    题名: A co-delivery nanosystem of chemotherapeutics and DNAzyme overcomes cancer drug resistance and metastasis
    作者: Sun, SP;Liu, CP;Huang, IP;Chu, CH;Chung, MF;Cheng, SH;Lin, SY;Lo, LW
    贡献者: Institute of Biomedical Engineering and Nanomedicine
    摘要: Multidrug resistance (MDR) constitutes a major problem in the management of cancer and cancer metastasized from primary-source tumor causes cancer-related deaths. Our new approach is the co-delivery of chemotherapy drugs with a transcription-factor-targeting genetic agent to simultaneously inhibit the growth and metastasis of cancer cells. C-Jun is a transcription factor that regulates multidrug resistance-associated protein 1 (MRP1) pump efflux transcription and tumor metastasis. In this work, we reported that mesoporous silica nanoparticles (MSNs) can be functionalized to codeliver doxorubicin (Dox) and DNAzyme (Dz) to increase cancer cell killing in an additive fashion. The MSNs were sequentially conjugated with Dox into the MSNs' nanochannels and Dz onto the MSNs' outermost surface to target c-Jun as the Dox@MSN-Dz co-delivery system. The Dox-resistant PC-3 cells treated with Dox@MSN-Dz efficiently enhanced the intracellular Dox concentration due to the abrogation of Dox-induced MRP 1 expression through the downregulation of c-Jun expression by Dz. Additionally, significant reductions in invasion and migration related to metastasis were also observed in cells treated with Dox@MSN-Dz. Therefore, our results contribute new insight to the treatment of MDR combined metastatic cancer cells, worthwhile for studying its potential for development in clinical translation.
    日期: 2017-12
    關聯: Nano Futures. 2017 Dec;1(3):Article number UNSP 035005.
    Link to: http://dx.doi.org/10.1088/2399-1984/aa996f
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2399-1984&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000458234300006
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