Functionalized liposomal nanoparticles for efficient gene delivery system to neuronal cell transfection

Bruna dos Santos Rodrigues, Amrita Banerjee, Takahisa Kanekiyo, Jagdish Singh

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Liposome based delivery systems provide a promising strategy for treatment of neurodegenerative diseases. A rational design of brain-targeted liposomes can support the development of more efficient treatments with drugs and gene materials. Here, we characterized surface modified liposomes with transferrin (Tf) protein and penetratin (Pen), a cell-penetrating peptide, for efficient and targeted gene delivery to brain cells. PenTf-liposomes efficiently encapsulated plasmid DNA, protected them against enzymatic degradation and exhibited a sustained in vitro release kinetics. The formulation demonstrated low cytotoxicity and was non-hemolytic. Liposomes were internalized into cells mainly through energy-dependent pathways especially clathrin-mediated endocytosis. Reporter gene transfection and consequent protein expression in different cell lines were significantly higher using PenTf-liposomes compared to unmodified liposomes. The ability of these liposomes to escape from endosomes can be an important factor which may have likely contributed to the high transfection efficiency observed. Rationally designed bifunctional targeted-liposomes provide an efficient tool for improving the targetability and efficacy of synthesized delivery systems. This investigation of liposomal properties attempted to address cell differences, as well as, vector differences, in gene transfectability. The findings indicate that PenTf-liposomes can be a safe and non-invasive approach to transfect neuronal cells through multiple endocytosis pathways.

Original languageEnglish (US)
Pages (from-to)717-730
Number of pages14
JournalInternational Journal of Pharmaceutics
Volume566
DOIs
StatePublished - Jul 20 2019

Fingerprint

Gene Transfer Techniques
Liposomes
Nanoparticles
Transfection
Endocytosis
Cell-Penetrating Peptides
Genes
Clathrin
Endosomes
Brain
Transferrin
Reporter Genes
Neurodegenerative Diseases
Proteins
Plasmids
Cell Line

Keywords

  • Bifunctional liposome
  • Brain targeting
  • Gene delivery
  • Penetratin
  • Transferrin

ASJC Scopus subject areas

  • Pharmaceutical Science

Cite this

Functionalized liposomal nanoparticles for efficient gene delivery system to neuronal cell transfection. / dos Santos Rodrigues, Bruna; Banerjee, Amrita; Kanekiyo, Takahisa; Singh, Jagdish.

In: International Journal of Pharmaceutics, Vol. 566, 20.07.2019, p. 717-730.

Research output: Contribution to journalArticle

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