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Carbon Nanotubes as A High-Performance Platform for Target Delivery of Anticancer Quinones

[ Vol. 24 , Issue. 43 ]

Author(s):

H.V. Grushevskaya* and N.G. Krylova   Pages 5207 - 5218 ( 12 )

Abstract:


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.

Keywords:

Carbon nanotubes, cancer, drug delivery, anticancer quinones, doxorubicine, multifunctional platform.

Affiliation:

Physics Department, Belarusian State University, 4 Nezavisimosti Ave., Minsk 220030, Physics Department, Belarusian State University, 4 Nezavisimosti Ave., Minsk 220030



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