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Cationic liposome- multi-walled carbon nanotubes hybrids for dual siPLK1 and doxorubicin delivery in vitro
Pereira, Sara (University of East Anglia. School of Pharmacy)
Lee, Jin (King's College London. Institute of Pharmaceutical Science)
Rubio, Noelia (King's College London. Institute of Pharmaceutical Science)
Hassan, Hatem A. F. M. (King's College London. Institute of Pharmaceutical Science)
Suffian, Izzat Bin Mohamed (King's College London. Institute of Pharmaceutical Science)
Wang, Julie T. W. (King's College London. Institute of Pharmaceutical Science)
Klippstein, Rebecca (King's College London. Institute of Pharmaceutical Science)
Ballesteros, Belén (Institut Català de Nanociència i Nanotecnologia)
Al-Jamal, Wafa' T. (University of East Anglia. School of Pharmacy)
Al-Jamal, Khuloud T. (King's College London. Institute of Pharmaceutical Science)

Date: 2015
Abstract: To formulate f -MWNTs-cationic liposome hybrids for the simultaneous delivery of siPLK1 and doxorubicin to cancer cells. f -MWNTs-cationic liposome hybrids were prepared by the thin film hydration method where the lipid film was hydrated with 100 μg/ml or 1 mg/ml of ox-MWNTs-NH₃+ or MWNTs-NH₃+ in 5% dextrose. siRNA complexation and protection ability was determined by agarose gel electrophoresis. f -MWNTs and liposome interaction was evaluated using Nile Red (NR) fluorescence spectroscopy. Cellular uptake in A549 cells was assessed by flow cytometry. Silencing of target proteins was determined by Luciferase and MTT assays. Sub-G1 analysis was performed to evaluate apoptosis following co-delivery of siPLK1 and Doxorubicin (Dox). Zeta potential and siRNA complexation profile obtained for all hybrids were comparable to those achieved with cationic liposomes. ox-MWNTs-NH₃+ showed greater extent of interaction with cationic liposomes compared to MWNTs-NH₃+. ox-MWNTs-NH₃+ was able to protect siRNA from nuclease-mediated degradation. Enhanced cellular uptake of both the carrier and loaded siRNA in A549 cell, were observed for this hybrid compared to the liposomal carrier. A synergistic pro-apoptotic effect was obtained when siPLK1 silencing was combined with doxorubicin treatment for the hybrid:siRNA complexes compared to the lipoplexes, in A549 cells in vitro. f -MWNTs-cationic liposome hybrid designed in this study can serve as a potential vehicle for the co-delivery of siRNA and cytotoxic drugs to cancer cells in vitro. The online version of this article (doi:10. 1007/s11095-015-1707-1) contains supplementary material, which is available to authorized users.
Note: Número d'acord de subvenció EC/FP7/290023
Note: Número d'acord de subvenció MINECO/SEV-2013-0295
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Language: Anglès
Document: article ; recerca ; publishedVersion
Subject: A549 ; Cancer cells ; Gene silencing ; Multi-walled carbon nanotubes ; Sirna
Published in: Pharmaceutical research, Vol. 32, Issue 10 (Oct. 2015) , p. 3293-3308, ISSN 1573-904X

DOI: 10.1007/s11095-015-1707-1
PMID: 26085038

16 p, 2.1 MB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > Catalan Institute of Nanoscience and Nanotechnology (ICN2)
Articles > Research articles
Articles > Published articles

 Record created 2018-01-31, last modified 2020-08-09

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