Magnetically Responsive Smart Nanoparticles for Cancer Treatment with a Combination of Magnetic Hyperthermia and Remote-Control Drug Release

Hayashi, Koichiro; Nakamura, Michihiro; Miki, Hirokazu; Ozaki, Shuji; Abe, Masahiro; Matsumoto, Toshio; Sakamoto, Wataru; Yogo, Toshinobu; Ishimura, Kazunori

doi:10.7150/thno.9199

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Theranostics 2014; 4(8):834-844. doi:10.7150/thno.9199 This issue Cite

Research Paper

Magnetically Responsive Smart Nanoparticles for Cancer Treatment with a Combination of Magnetic Hyperthermia and Remote-Control Drug Release

Koichiro Hayashi^{1, 5✉}, Michihiro Nakamura¹, Hirokazu Miki², Shuji Ozaki³, Masahiro Abe⁴, Toshio Matsumoto⁴, Wataru Sakamoto⁵, Toshinobu Yogo⁵, Kazunori Ishimura¹

1. Department of Anatomy and Cell Biology, Institute of Health Biosciences, The University of Tokushima Graduate School, 3-18-15 Kuramoto-cho, Tokushima, 770-8503, Japan. E-mail: hayashi@tokushima-u.ac.jp
2. Division of Transfusion Medicine, Tokushima University Hospital 2-50-1 Kuramoto-cho, Tokushima, 770-0042, Japan;
3. Department of Internal Medicine, Tokushima Prefectural Central Hospital, 1-10-3 Kuramoto-cho, Tokushima, 770-0042, Japan;
4. Department of Medicine and Bioregulatory Sciences, The University of Tokushima Graduate School of Medical Sciences, 3-18-15 Kuramoto-cho, Tokushima, 770-8503, Japan;
5. Division of Nanomaterials Science, EcoTopia Science Institute, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.

Citation:

Hayashi K, Nakamura M, Miki H, Ozaki S, Abe M, Matsumoto T, Sakamoto W, Yogo T, Ishimura K. Magnetically Responsive Smart Nanoparticles for Cancer Treatment with a Combination of Magnetic Hyperthermia and Remote-Control Drug Release. Theranostics 2014; 4(8):834-844. doi:10.7150/thno.9199. https://www.thno.org/v04p0834.htm

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Abstract

We report the synthesis of smart nanoparticles (NPs) that generate heat in response to an alternating current magnetic field (ACMF) and that sequentially release an anticancer drug (doxorubicin, DOX). We further study the in vivo therapeutic efficacy of the combination of magnetic hyperthermia (MHT) and chemotherapy using the smart NPs for the treatment of multiple myeloma. The smart NPs are composed of a polymer with a glass-transition temperature (T_g) of 44°C, which contains clustered Fe₃O₄ NPs and DOX. The clustered Fe₃O₄ NPs produce heat when the ACMF is applied and rise above 44°C, which softens the polymer phase and leads to the release of DOX. The combination of MHT and chemotherapy using the smart NPs destroys cancer cells in the entire tumor and achieves a complete cure in one treatment without the recurrence of malignancy. Furthermore, the smart NPs have no significant toxicity.

Keywords: smart nanoparticles, alternating current magnetic field, cancer cells

Citation styles

APA

Hayashi, K., Nakamura, M., Miki, H., Ozaki, S., Abe, M., Matsumoto, T., Sakamoto, W., Yogo, T., Ishimura, K. (2014). Magnetically Responsive Smart Nanoparticles for Cancer Treatment with a Combination of Magnetic Hyperthermia and Remote-Control Drug Release. Theranostics, 4(8), 834-844. https://doi.org/10.7150/thno.9199.

ACS

Hayashi, K.; Nakamura, M.; Miki, H.; Ozaki, S.; Abe, M.; Matsumoto, T.; Sakamoto, W.; Yogo, T.; Ishimura, K. Magnetically Responsive Smart Nanoparticles for Cancer Treatment with a Combination of Magnetic Hyperthermia and Remote-Control Drug Release. Theranostics 2014, 4 (8), 834-844. DOI: 10.7150/thno.9199.

NLM

CSE

Hayashi K, Nakamura M, Miki H, Ozaki S, Abe M, Matsumoto T, Sakamoto W, Yogo T, Ishimura K. 2014. Magnetically Responsive Smart Nanoparticles for Cancer Treatment with a Combination of Magnetic Hyperthermia and Remote-Control Drug Release. Theranostics. 4(8):834-844.

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