Breast cancer is a malignant tumor with a high mortality rate among women. Therefore, it is necessary to develop novel therapies to effectively treat this disease. In this study, iron selenide nanorods (FeSe NRs) were designed for use in magnetic hyperthermic, photothermal, and chemodynamic therapy (MHT/PTT/CDT) for breast cancer. To illustrate their efficacy, FeSe NRs were modified with the chemotherapeutic agent methotrexate (MTX). MTX-modified FeSe (FeSe-MTX) exhibited excellent controlled drug release properties. Fe released from FeSe NRs induced the release of OH from HO via a Fenton/Fenton-like reaction, enhancing the efficacy of CDT. Under alternating magnetic field (AMF) stimulation and 808 nm laser irradiation, FeSe-MTX exerted potent hyperthermic and photothermal effects by suppressing tumor growth in a breast cancer nude mouse model. In addition, FeSe NRs can be used for magnetic resonance imaging in vivo by incorporating their superparamagnetic characteristics into a single nanomaterial. Overall, we presented a novel technique for the precise delivery of functional nanosystems to tumors that can enhance the efficacy of breast cancer treatment.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11129116 | PMC |
| http://dx.doi.org/10.1021/acsami.3c18450 | DOI Listing |
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