Increase in Bioactivity and synergy of Chemotherapy and C60
C60 Fullerene as Synergistic Agent in Tumor-Inhibitory Doxorubicin Treatment
Drugs R D. Dec 2014; 14(4): 333–340.
Published online Dec 12, 2014. doi: 10.1007/s40268-014-0074-4...
Svitlana Prylutska, Iryna Grynyuk, Olga Matyshevska, Yuriy Prylutskyy, Maxim Evstigneev, Peter Scharff, and Uwe Ritter
Joint Ukrainian-German Center on Nanobiotechnology, Kyiv, Ukraine
Taras Shevchenko National University of Kyiv, Volodymyrska Str., 64, Kyiv, 01601 Ukraine
Department of Biology and Chemistry, Belgorod State University, 85 Pobedy Str., Belgorod, 308015 Russia
Institute of Chemistry and Biotechnology, Technical University of Ilmenau, Weimarer Str. 25, Ilmenau, 098693 Germany
Abstract
Background
Doxorubicin (Dox) is one of the most potent anticancer drugs, but its successful use is hampered by high toxicity caused mainly by generation of reactive oxygen species. One approach to protect against Dox-dependent chemical insult is combined use of the cytostatic drug with antioxidants. C60 fullerene has a nanostructure with both antioxidant and antitumor potential and may be useful in modulating cell responses to Dox.
Objective
The aim of this study was to estimate the antitumor effect and antioxidant enzyme activity of combined C60 fullerene and Dox (C60 + Dox) in the liver and heart of mice with Lewis lung carcinoma compared with Dox treatment alone.
Methods
Highly stable pristine C60 fullerene aqueous colloid solution (concentration 1.0 mg/ml, average hydrodynamic diameter of nanoparticles 50 nm) was used in the study and characterized by means of atomic force microscopy (AFM). The in vivo investigation of C60-Dox action was performed via the standard methods of histological and enzyme activity analyses.
Results
Dox (total dose 2.5 mg/kg) combined with C60 fullerene (total dose 25 mg/kg) in tumor-bearing animals resulted in tumor growth inhibition, prolongation of life, metastasis inhibition, and increased number of apoptotic tumor cells and was more effective than the corresponding course of Dox treatment alone. C60 fullerene demonstrated a protective effect against superoxide dismutase and glutathione peroxidase inhibition induced by Dox-dependent oxidative insult in the liver and heart.
Conclusion
Combined treatment with C60 + Dox is considered to be a promising approach for cancer chemotherapy.
http://www.ncbi.nlm....pubmed/25504158