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Magnetic Nanoparticle Assisted Self-assembly of Cell Penetrating Peptides-Oligonucleotides Complexes for Gene Delivery
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för neurokemi.
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för material- och miljökemi (MMK).
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för neurokemi.
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2017 (Engelska)Ingår i: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 7, 9159Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Magnetic nanoparticles (MNPs, Fe3O4) incorporated into the complexes of cell penetrating peptides (CPPs)-oligonucleotides (ONs) promoted the cell transfection for plasmid transfection, splice correction, and gene silencing efficiencies. Six types of cell penetrating peptides (CPPs; PeptFect220 (denoted PF220), PF221, PF222, PF223, PF224 and PF14) and three types of gene therapeutic agents (plasmid (pGL3), splicing correcting oligonucleotides (SCO), and small interfering RNA (siRNA) were investigated. Magnetic nanoparticles incorporated into the complexes of CPPs-pGL3, CPPs-SCO, and CPPs-siRNA showed high cell biocompatibility and efficiently transfected the investigated cells with pGL3, SCO, and siRNA, respectively. Gene transfer vectors formed among PF14, SCO, and MNPs (PF14-SCO-MNPs) showed a superior transfection efficiency (up to 4-fold) compared to the noncovalent PF14-SCO complex, which was previously reported with a higher efficiency compared to commercial vector called Lipofectamine™2000. The high transfection efficiency of the new complexes (CPPs-SCO-MNPs) may be attributed to the morphology, low cytotoxicity, and the synergistic effect of MNPs and CPPs. PF14-pDNA-MNPs is an efficient complex for in vivo gene delivery upon systemic administration. The conjugation of CPPs-ONs with inorganic magnetic nanoparticles (Fe3O4) may open new venues for selective and efficient gene therapy.

Ort, förlag, år, upplaga, sidor
2017. Vol. 7, 9159
Nationell ämneskategori
Biologiska vetenskaper Kemi
Forskningsämne
oorganisk kemi
Identifikatorer
URN: urn:nbn:se:su:diva-146301DOI: 10.1038/s41598-017-09803-zISI: 000408285200003OAI: oai:DiVA.org:su-146301DiVA: diva2:1136744
Tillgänglig från: 2017-08-29 Skapad: 2017-08-29 Senast uppdaterad: 2017-09-18Bibliografiskt granskad

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Av författaren/redaktören
Dowaidar, MoatazAbdelhamid, Hani NasserHällbrink, MattiasZou, XiaodongLangel, Ülo
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Institutionen för neurokemiInstitutionen för material- och miljökemi (MMK)
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