Overcoming drug efflux-based multidrug resistance in cancer with nanotechnology
1National Center for Nanoscience and Technology of China, Beijing 100190, People's Republic of China.
Abstract:
Multidrug resistance (MDR), which significantly decreases the efficacy of anticancer drugs and causes tumor recurrence, has been a major challenge in clinical cancer treatment with chemotherapeutic drugs for decades. Several mechanisms of overcoming drug resistance have been postulated. Well known P-glycoprotein (P-gp) and other drug efflux transporters are considered to be critical in pumping anticancer drugs out of cells and causing chemotherapy failure. Innovative theranostic (therapeutic and diagnostic) strategies with nanoparticles are rapidly evolving and are anticipated to offer opportunities to overcome these limits. In this review, we discuss the mechanisms of drug efflux-mediated resistance and the application of multiple nanoparticle-based platforms to overcome chemoresistance and improve therapeutic outcome.
Insights
Multidrug resistance (MDR) in cancer treatment is a major challenge. Nanoparticle-based theranostic strategies show promise in overcoming drug efflux mechanisms and improving therapeutic outcomes.
Area of Science:
- Oncology
- Nanotechnology
- Pharmacology
Background:
- Multidrug resistance (MDR) significantly reduces chemotherapy efficacy and leads to tumor recurrence.
- P-glycoprotein (P-gp) and other efflux transporters are key mechanisms driving MDR by expelling anticancer drugs from cells.
- Overcoming MDR is crucial for improving patient survival rates in cancer treatment.
Purpose of the Study:
- To review the mechanisms of drug efflux-mediated multidrug resistance in cancer.
- To explore the application of nanoparticle-based theranostic platforms to overcome chemoresistance.
- To discuss how these innovative strategies can improve therapeutic outcomes in cancer patients.
Main Methods:
- Literature review of studies on multidrug resistance mechanisms.
- Analysis of research on nanoparticle-based drug delivery systems for cancer therapy.
- Discussion of theranostic approaches combining therapeutic and diagnostic capabilities.
Main Results:
- Drug efflux transporters like P-gp are critical in mediating resistance to chemotherapy.
- Nanoparticle platforms offer potential strategies to bypass or inhibit these efflux mechanisms.
- Theranostic nanoparticles can enhance drug delivery, monitor treatment response, and overcome MDR.
Conclusions:
- Nanoparticle-based theranostics represent a promising avenue for overcoming multidrug resistance in cancer.
- Targeting drug efflux mechanisms with advanced delivery systems can improve chemotherapy effectiveness.
- Further research into nanoparticle applications is essential for advancing cancer treatment strategies.
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