Exploiting nanotechnology to overcome tumor drug resistance: Challenges and opportunities.
Exploiting nanotechnology to overcome tumor drug resistance: Challenges and opportunities.
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DOI：
10.1016/j.addr.2013.09.001
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发表时间：
2013-11
影响因子：
16.1
通讯作者：
Panyam, Jayanth
中科院分区：
文献类型：
--
作者：
Kirtane, Ameya R.;Kalscheuer, Stephen M.;Panyam, Jayanth
关键词：
Tumor cells develop resistance to chemotherapeutic drugs through multiple mechanisms. Overexpression of efflux transporters is an important source of drug resistance. Efflux transporters such as P-glycoprotein reduce intracellular drug accumulation and compromise drug efficacy. Various nanoparticle-based approaches have been investigated to overcome efflux-mediated resistance. These include the use of formulation excipients that inhibit transporter activity and co-delivery of the anticancer drug with a specific inhibitor of transporter function or expression. However, the effectiveness of nanoparticles can be diminished by poor transport in the tumor tissue. Hence, adjunct therapies that improve the intratumoral distribution of nanoparticles may be vital to the successful application of nanotechnology to overcome tumor drug resistance. This review discusses the mechanisms of tumor drug resistance and highlights the opportunities and challenges in the use of nanoparticles to improve the efficacy of anticancer drugs against resistant tumors.
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