Thermosensitive magnetic nanoparticles exposed to alternating magnetic field and heat-mediated chemotherapy for an effective dual therapy in rat glioma model

Afzalipour, R. and Khoei, S. and Khoee, S. and Shirvalilou, S. and Raoufi, N.J. and Motevalian, M. and Karimi, M.Y. (2021) Thermosensitive magnetic nanoparticles exposed to alternating magnetic field and heat-mediated chemotherapy for an effective dual therapy in rat glioma model. Nanomedicine: Nanotechnology, Biology, and Medicine, 31.

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Abstract

The goal of this study was to develop a new method based on Oncothermia with concomitant use of the temozolomide (TMZ)-loaded magnetic nanoparticles conjugated with folic acid (TMZ/MNPs-FA) and alternative magnetic field (AMF) and evaluate its efficacy in the treatment of C6 glioma in rats. TMZ/MNPs-FA were prepared and evaluated for their size, surface charge, magnetic saturation, hemolysis and in vitro AMF-triggered release. The glioma rat models were treated with free TMZ, MNPs-FA and TMZ/MNPs-FA in the presence or absence of AMF (43 °C). The results confirmed that a combinatorial therapy consisting of AFM hyperthermia and thermosensitive TMZ/MNPs-FA could significantly suppress tumor growth, increase survival rate and promote apoptosis (P < 0.0001). Therefore, this treatment strategy may be a powerful modality for treatment of cancer, as the thermal and mechanical effects of magnetic nanoparticles exposed to AMF can increase the therapeutic efficacy of conventional chemotherapy. © 2020 Elsevier Inc.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: Cell death; Chemotherapy; Hyperthermia therapy; Magnetic fields; Rats; Tumors, Alternating magnetic field; Dual therapy; Mechanical effects; Survival rate; Therapeutic efficacy; Thermo sensitive; Triggered release; Tumor growth, Magnetic nanoparticles
Subjects: QT Physiology
QZ Pathology
Depositing User: eprints admin
Date Deposited: 05 Apr 2021 03:23
Last Modified: 05 Apr 2021 03:23
URI: http://eprints.iums.ac.ir/id/eprint/33087

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