Magnetic nanoparticles of Fe3O4 enhance docetaxel-induced prostate cancer cell death
Akiko Sato,1 Naoki Itcho,1 Hitoshi Ishiguro,2,3 Daiki Okamoto,1 Naohito Kobayashi,4 Kazuaki Kawai,5 Hiroshi Kasai,5 Daisuke Kurioka,1 Hiroji Uemura,2 Yoshinobu Kubota,2 Masatoshi Watanabe11Laboratory for Medical Engineering, Division of Materials Science and Chemical Engineering, Graduate School of...
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Dove Medical Press
2013
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oai:doaj.org-article:dfc37ee36a814d64916bc6e0dd67e0262021-12-02T08:07:38ZMagnetic nanoparticles of Fe3O4 enhance docetaxel-induced prostate cancer cell death1176-91141178-2013https://doaj.org/article/dfc37ee36a814d64916bc6e0dd67e0262013-08-01T00:00:00Zhttp://www.dovepress.com/magnetic-nanoparticles-of-fe3o4-enhance-docetaxel-induced-prostate-can-a14073https://doaj.org/toc/1176-9114https://doaj.org/toc/1178-2013Akiko Sato,1 Naoki Itcho,1 Hitoshi Ishiguro,2,3 Daiki Okamoto,1 Naohito Kobayashi,4 Kazuaki Kawai,5 Hiroshi Kasai,5 Daisuke Kurioka,1 Hiroji Uemura,2 Yoshinobu Kubota,2 Masatoshi Watanabe11Laboratory for Medical Engineering, Division of Materials Science and Chemical Engineering, Graduate School of Engineering, Yokohama National University, Yokohama, Japan; 2Department of Urology, Yokohama City University Graduate School of Medicine, Yokohama, Japan; 3Photocatalyst Group, Kanagawa Academy of Science and Technology, Kawasaki, Japan; 4Department of Molecular Pathology, Yokohama City University Graduate School of Medicine, Yokohama, Japan; 5Department of Environmental Oncology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, JapanAbstract: Docetaxel (DTX) is one of the most important anticancer drugs; however, the severity of its adverse effects detracts from its practical use in the clinic. Magnetic nanoparticles of Fe3O4 (MgNPs-Fe3O4) can enhance the delivery and efficacy of anticancer drugs. We investigated the effects of MgNPs-Fe3O4 or DTX alone, and in combination with prostate cancer cell growth in vitro, as well as with the mechanism underlying the cytotoxic effects. MgNPs-Fe3O4 caused dose-dependent increases in reactive oxygen species levels in DU145, PC-3, and LNCaP cells; 8-hydroxydeoxyguanosine levels were also elevated. MgNPs-Fe3O4 alone reduced the viability of LNCaP and PC-3 cells; however, MgNPs-Fe3O4 enhanced the cytotoxic effect of a low dose of DTX in all three cell lines. MgNPs-Fe3O4 also augmented the percentage of DU145 cells undergoing apoptosis following treatment with low dose DTX. Expression of nuclear transcription factor κB in DU145 was not affected by MgNPs-Fe3O4 or DTX alone; however, combined treatment suppressed nuclear transcription factor κB expression. These findings offer the possibility that MgNPs-Fe3O4–low dose DTX combination therapy may be effective in treating prostate cancer with limited adverse effects.Keywords: prostate cancer, magnetic nanoparticles, docetaxel, reactive oxidative speciesSato AItcho NIshiguro HOkamoto DKobayashi NKawai KKasai HKurioka DUemura HKubota YWatanabe MDove Medical PressarticleMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol 2013, Iss default, Pp 3151-3160 (2013) |
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Medicine (General) R5-920 |
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Medicine (General) R5-920 Sato A Itcho N Ishiguro H Okamoto D Kobayashi N Kawai K Kasai H Kurioka D Uemura H Kubota Y Watanabe M Magnetic nanoparticles of Fe3O4 enhance docetaxel-induced prostate cancer cell death |
| description |
Akiko Sato,1 Naoki Itcho,1 Hitoshi Ishiguro,2,3 Daiki Okamoto,1 Naohito Kobayashi,4 Kazuaki Kawai,5 Hiroshi Kasai,5 Daisuke Kurioka,1 Hiroji Uemura,2 Yoshinobu Kubota,2 Masatoshi Watanabe11Laboratory for Medical Engineering, Division of Materials Science and Chemical Engineering, Graduate School of Engineering, Yokohama National University, Yokohama, Japan; 2Department of Urology, Yokohama City University Graduate School of Medicine, Yokohama, Japan; 3Photocatalyst Group, Kanagawa Academy of Science and Technology, Kawasaki, Japan; 4Department of Molecular Pathology, Yokohama City University Graduate School of Medicine, Yokohama, Japan; 5Department of Environmental Oncology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, JapanAbstract: Docetaxel (DTX) is one of the most important anticancer drugs; however, the severity of its adverse effects detracts from its practical use in the clinic. Magnetic nanoparticles of Fe3O4 (MgNPs-Fe3O4) can enhance the delivery and efficacy of anticancer drugs. We investigated the effects of MgNPs-Fe3O4 or DTX alone, and in combination with prostate cancer cell growth in vitro, as well as with the mechanism underlying the cytotoxic effects. MgNPs-Fe3O4 caused dose-dependent increases in reactive oxygen species levels in DU145, PC-3, and LNCaP cells; 8-hydroxydeoxyguanosine levels were also elevated. MgNPs-Fe3O4 alone reduced the viability of LNCaP and PC-3 cells; however, MgNPs-Fe3O4 enhanced the cytotoxic effect of a low dose of DTX in all three cell lines. MgNPs-Fe3O4 also augmented the percentage of DU145 cells undergoing apoptosis following treatment with low dose DTX. Expression of nuclear transcription factor κB in DU145 was not affected by MgNPs-Fe3O4 or DTX alone; however, combined treatment suppressed nuclear transcription factor κB expression. These findings offer the possibility that MgNPs-Fe3O4–low dose DTX combination therapy may be effective in treating prostate cancer with limited adverse effects.Keywords: prostate cancer, magnetic nanoparticles, docetaxel, reactive oxidative species |
| format |
article |
| author |
Sato A Itcho N Ishiguro H Okamoto D Kobayashi N Kawai K Kasai H Kurioka D Uemura H Kubota Y Watanabe M |
| author_facet |
Sato A Itcho N Ishiguro H Okamoto D Kobayashi N Kawai K Kasai H Kurioka D Uemura H Kubota Y Watanabe M |
| author_sort |
Sato A |
| title |
Magnetic nanoparticles of Fe3O4 enhance docetaxel-induced prostate cancer cell death |
| title_short |
Magnetic nanoparticles of Fe3O4 enhance docetaxel-induced prostate cancer cell death |
| title_full |
Magnetic nanoparticles of Fe3O4 enhance docetaxel-induced prostate cancer cell death |
| title_fullStr |
Magnetic nanoparticles of Fe3O4 enhance docetaxel-induced prostate cancer cell death |
| title_full_unstemmed |
Magnetic nanoparticles of Fe3O4 enhance docetaxel-induced prostate cancer cell death |
| title_sort |
magnetic nanoparticles of fe3o4 enhance docetaxel-induced prostate cancer cell death |
| publisher |
Dove Medical Press |
| publishDate |
2013 |
| url |
https://doaj.org/article/dfc37ee36a814d64916bc6e0dd67e026 |
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