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Cationic niosomes for efficient shRNA transfection in the MCF-7 breast cancer cell line

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Year: 2018
COI code: CIGS15_231
Paper Language: English

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Authors Cationic niosomes for efficient shRNA transfection in the MCF-7 breast cancer cell line

  Pardis Mokhtary - Medical Cellular and Molecular Research Center, Golestan University of Medical Sciences, Gorgan, Iran.Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Golestan University of Medical Sciences, Gorgan, Iran.
  Bita Javan - Medical Cellular and Molecular Research Center, Golestan University of Medical Sciences, Gorgan, Iran.Department of Molecular Medicine, School of Advanced Technologies in Medicine, Golestan University of Medical Sciences, Gorgan, Iran.
  Vahid Erfani-Moghadam - Medical Cellular and Molecular Research Center, Golestan University of Medical Sciences, Gorgan, Iran.Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Golestan University of Medical Sciences, Gorgan, Iran.

Abstract:

Short hairpin RNAs (shRNA) RNA interference (RNAi) are appropriate candidates for cancer related gene therapy development. Overcoming the systemic delivery of RNAi is a hard challenge to produce RNAi drugs. Novel and safe delivery solutions for RNAi therapeutics is essential to obtain the full potential of this promising technology. Methods In this research, we designed a cationic niosomal nanocarrier for shRNA tranfection for silencing the long non-coding RNA Urothelial Carcinoma-Associated 1 gene (UCA1). Plasmid (pRNAT-U6.1), containing UCA1 shRNA, designed with bioinformatics tools and synthesized. Dynamic light scattering (DLS), gel retardation assay and MTT cell toxicity assay were used to find appropriate nanoformulation for various molar ratios of materials,. Results & Discussion Physical characteristics and stability of plasmid/UCA1 shRNA, polyplexed with cationic vesicles prepared from various molar ratios of surfactant (Tween80), squalene(sq) and cationic charge lipid (DDAB) or Polyethyleneimine(PEI) were investigated. The cationic niosomes composed of Tween80/sq/PEI was selected for further experiments. The particle sizes of the vesicles were in nano size determined by DLS. Gel retardation assay showed niosomal nanocarrier can protect the shRNA plasmid from DNase 1 enzyme. Furthermore, MTT assay has been performed and no significant cytotoxicity were observed in MCF7 cancer cell. Cell cycle and apoptosis analysis represent the efficiency of UCA1 shRNA transfection of these cationic vesicles and demonstrated significant cell cycle arrest and apoptosis in MCF7 cancer cells Conclusions Considering the results and importance of gene therapy, this nanoformulation has potential for further extensive in vitro and in vivo experiments.

Keywords:

Short hairpin RNAs (shRNA), RNA interference (RNAi), Gene therapy, Nanocarrier, niosomes

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COI code: CIGS15_231

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Mokhtary, Pardis; Bita Javan & Vahid Erfani-Moghadam, 2018, Cationic niosomes for efficient shRNA transfection in the MCF-7 breast cancer cell line, The Third International and 15th National Genetics Congress, تهران, انجمن علمي ژنتيك ايران, https://www.civilica.com/Paper-CIGS15-CIGS15_231.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Mokhtary, Pardis; Bita Javan & Vahid Erfani-Moghadam, 2018)
Second and more: (Mokhtary; Javan & Erfani-Moghadam, 2018)
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Type: Medical University
Paper No.: 627
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