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Folic Acid-Conjugated pH and Redox-Sensitive Ellipsoidal Hybrid Magnetic Nanoparticles for Dual-Triggered Drug Release

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Date
2020-08-17
Author
Birlik Demirel, Gokcen
Aygul, Ebru
DAĞ, AYDAN
ATASOY, SEZEN
Cimen, Zeynep
Cetin, Busra
Advisor
Type
Article
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Abstract
© 2020 American Chemical Society.Stimuli-sensitive and multifunctional nanoparticles are highly desirable biomedical materials for triggered and targeted drug delivery applications. Here, we have designed pH- A nd redox-triggered magnetic lipid-polymer hybrid nanoparticles (MHNPs) with a core-shell structure. This design is composed of a silica-/mesoporous silica-coated ellipsoidal magnetic nanoparticle with multifunctionality: Carrying the anticancer drug (doxorubicin, DOX), the cancer cell targeting ligand (folic acid-conjugated poly(ethylene glycol), FA-PEG) polymer, and being coated with a biocompatible pH-/redox-responsive (poly-l-histidine-poly(ethylene glycol)-lipoic acid; PLH-PEG-LA) polymer. The lipoic acid units of the PLH-PEG-LA shell of the FA-MHNPs were cross-linked using 1,4-dithiothreitol (DTT). When the FA-MHNPs-DOX were exposed to an endolysosomal pH of 5.5 and 10 mM glutathione (GSH), the particles exhibited a very efficient DOX release profile within 24 h. In addition, cytotoxicity, uptake, and apoptosis assays were performed against breast cancer cell lines. These results showed that FA-MHNPs-DOX promote an enhanced uptake and cell morbidity compared to the nontargeted MHNPs-DOX against tested cell lines. Moreover, the FA-MHNPs-DOX exhibited very effective cytotoxicity and also decreased the cell viability through apoptosis against breast cancer cell lines. In conclusion, it can be said that the pH and redox dual-responsive hybrid FA-MHNPs-DOX has a great potential for controlled drug release.
Subject
Birlik Demirel G., Aygul E., DAĞ A., ATASOY S., Cimen Z., Cetin B., -Folic Acid-Conjugated pH and Redox-Sensitive Ellipsoidal Hybrid Magnetic Nanoparticles for Dual-Triggered Drug Release-, ACS Applied Bio Materials, cilt.3, ss.4949-4961, 2020
URI
http://hdl.handle.net/20.500.12645/27323
Collections
  • Scientific and Technological Research Council of Turkey
  • Scopus İndeksli Yayınlar Koleksiyonu
  • Yayınlar - Eserler

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BEZMIALEM VAKIF UNIVERSITY

About us |Policies | Library | Contact us | Send Feedback | Sitemap | Admin

Bezmialem Vakıf Üniversitesi, Adnan Menderes Bulvarı Vatan Caddesi 34093 Fatih, İstanbul / TURKEY
Copyright © Bezmialem Vakıf Üniversitesi

Creative Commons Lisansı
Bezmialem Institutional Repository, Creative Commons Alıntı-GayriTicari-Türetilemez 4.0 Uluslararası Lisansı ile lisanslanmıştır.

OpenAccess@BVU

Support by  UNIREPOS