Stabilizer effect of tumor-targeting ligands on the drug delivering Fe3O4 nanoparticles

Maide Gökçe Bekaroğlu, Alara Kiriş, Hatice Nur Başer, Sevim İşçi*

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Özet

The objective of the study was to demonstrate that the addition of tumor-targeting ligands to the polymer-coated multifunctional superparamagnetic Fe3O4 nanoparticle surfaces changed the state of the dispersion in favor of stability. The negatively charged targeting ligands on the surfaces of Fe3O4 nanoparticles resulted in repulsive interparticle forces. Hence, the incorporation of tumor-targeting ligands can demonstrate a dispersive or stabilizing effect on Fe3O4 nanoparticles produced as ligand targeted drug delivery vehicles. Primarily, Fe3O4 nanoparticles were coated with biopolymers to reduce their toxicity and convert the surfaces to drug-adsorbable surfaces. Fe3O4 nanoparticles were coated with two different kinds of non-ionic polymers polyvinyl alcohol or polyvinylpyrrolidone to compare the different surfaces and their interactions with different targeting ligands. Folic acid (FA) and β-estradiol were chosen as tumor-targeting ligands which are known to be expressed highly in a variety of cancer cells. The impact of incorporating different targeting ligands onto the final core–shell structure of the Fe3O4 nanoparticles was investigated and compared in terms of the colloidal stability, cytotoxicity, drug adsorption and release, and antitumor activity. Incorporation of targeting ligands into drug delivery particles had no significant toxicity to normal cells (without the corresponding receptors) compared to Fe3O4 nanoparticles without targeting ligands. Furthermore, at appropriate concentrations, FA addition seems to promote cell proliferation. Targeting ligands were able to enhance drug uptake and cytotoxicity and perform similarly to pure drug treatments at most concentrations.

Orijinal dilİngilizce
Makale numarası182
DergiApplied Physics A: Materials Science and Processing
Hacim129
Basın numarası3
DOI'lar
Yayın durumuYayınlandı - Mar 2023

Bibliyografik not

Publisher Copyright:
© 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature.

Finansman

This paper is supported by Research Fund of Istanbul Technical University Research Fund. This paper is supported by Research Fund of Istanbul Technical University Research Fund (42549). We would like to dedicate the publication to Prof. Dr. Fatma Neşe Kök who always guided us and was an excellent friend.

FinansörlerFinansör numarası
Istanbul Technical University Research Fund42549
Istanbul Teknik Üniversitesi

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