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Published on: April 2, 2015
Carbon Nanotubes as A High-Performance Platform for Target Delivery of Anticancer Quinones
H V Grushevskaya1, N G Krylova1
1Physics Department, Belarusian State University, 4 Nezavisimosti Ave., Minsk 220030, Belarus.
Background:
In spite of considerable efforts of researchers the cancer deseases remain to be incurable and a percentage of cancer deseases in the structure of mortality increases every year. At that, high systemic toxicity of antitumor drugs hampers their effective use. Because of this fact, the development of nanosystems for targeted delivery of antitumor drugs is one of the leading problem in nanomedicine and nanopharmacy.
Objective:
To critically examine the modern strategies for carbon nanotubes (CNTs)-based delivery of anticancer quinones and to summarize the mechanisms which can provide high effectiveness and multifunctionality of the CNT-based quinone delivery platform.
Results:
Quinones, including anthracycline antibiotics - doxorubicin and daunorubicin, are among the most prospective group of natural and syntetic compounds which exhibit high antitumor activity against different type of tumors. In this review, we focus on the possibilities of using CNTs for targeted delivery of antitumor compounds with quinoid moiety which is ordinarily characterized by high specific interaction with DNA molecules. Quinones can be non-covalently adsorbed on CNT surface due to their aromatic structure and π-conjugated system of double bonds. The characteristic features of doxorubicine-CNT complex are high loading efficiency, pH-dependent release in acidic tumor microenviroment, enough stability in biological fluid. Different types of CNT functionalization, targeting strategies and designs for multifunctional CNT-based doxorubicine delivery platform are disscussed.
Conclusion:
Nanosystems based on functionalized CNTs are very promising platform for quinone delivery resulting in significant enhancement of cancer treatment efficiency. Functionalization of CNTs with the polymeric shell, especially DNA-based shells, can provide the greatest affinity and mimicry with biological structures.
Insights
Carbon nanotubes offer a promising platform for delivering anticancer quinones, enhancing drug efficacy and reducing toxicity. Functionalized nanotubes, particularly with DNA shells, show high potential for targeted cancer treatment.
Area of Science:
- Nanomedicine and Nanopharmacy
- Materials Science
- Oncology
Background:
- Cancer remains a leading cause of mortality, with current treatments hampered by high systemic toxicity.
- Developing effective drug delivery systems is crucial for improving cancer therapy outcomes.
- Targeted drug delivery aims to increase therapeutic efficacy while minimizing side effects.
Purpose of the Study:
- To review strategies for using carbon nanotubes (CNTs) for targeted delivery of anticancer quinones.
- To summarize mechanisms enhancing the effectiveness and multifunctionality of CNT-based quinone delivery.
- To explore the potential of CNTs as a platform for novel cancer therapeutics.
Main Methods:
- Review of current literature on carbon nanotube functionalization for drug delivery.
- Analysis of quinone adsorption mechanisms onto CNT surfaces.
- Discussion of targeting strategies and design principles for CNT-based drug delivery systems.
Main Results:
- Quinones, such as doxorubicin, exhibit high antitumor activity and can be effectively adsorbed onto CNTs.
- Doxorubicin-CNT complexes demonstrate high loading efficiency and pH-dependent release in tumor microenvironments.
- Functionalized CNTs, especially with DNA-based shells, enhance drug delivery and biological mimicry.
Conclusions:
- Functionalized nanosystems based on CNTs represent a promising platform for quinone delivery, significantly improving cancer treatment.
- DNA-based functionalization of CNTs offers superior affinity and biocompatibility for targeted drug delivery.
- CNTs provide a versatile and effective strategy for developing advanced anticancer drug delivery systems.
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