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    Hybrid System for Local Drug Delivery and Magnetic Hyperthermia Based on SPIONs Loaded with Doxorubicin and Epirubicin

    Year: 2021

    Journal: Pharmaceutics, Volume 13, APR

    Authors: Nieciecka, Dorota; Celej, Joanna; Zuk, Michal; Majkowska-Pilip, Agnieszka; Zelechowska-Matysiak, Kinga; Lis, Antoni; Osial, Magdalena

    Organizations: grant Sonata from National Science Centre, Poland [UMO-2016/23/D/ST4/03212]; Operational Project Knowledge Education Development 2014-2020 [POWR.03.02.00-00-I009/17-00]; European Social Fund

    Keywords: SPIONs; doxorubicin; epirubicin; magnetic hyperthermia; cytotoxicity; Langmuir-Blodgett technique

    Cancer is one of the most common causes of death worldwide, thus new solutions in anticancer therapies are highly sought after. In this work, superparamagnetic iron oxide nanoparticles (SPIONs) conjugated with anticancer drugs are synthesized and investigated as potential magnetic drug nanocarriers for local drug delivery and mild magnetic hyperthermia. We have obtained a hybrid system loaded with holmium and anticancer drugs and thoroughly studied it with respect to the size, morphology, surface modifications and magnetic properties, and interactions with the model of biological membranes, cytotoxicity. We present that nanoparticles having a round shape and size 15 nm are successfully stabilized to avoid their agglomeration and modified with doxorubicin or epirubicin within a controlled way. The number of drugs loaded into the SPIONs was confirmed with thermogravimetry. The hybrid based on SPIONs was investigated in touch with model biological membranes within the Langmuir-Blodgett technique, and results show that modified SPION interacts effectively with them. Results obtained with magnetic hyperthermia and biological studies confirm the promising properties of the hybrid towards future cancer cell treatment.
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