2011
DOI: 10.1186/1556-276x-6-447
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PLGA-based gene delivering nanoparticle enhance suppression effect of miRNA in HePG2 cells

Abstract: The biggest challenge in the field of gene therapy is how to effectively deliver target genes to special cells. This study aimed to develop a new type of poly(D,L-lactide-co-glycolide) (PLGA)-based nanoparticles for gene delivery, which are capable of overcoming the disadvantages of polyethylenimine (PEI)- or cationic liposome-based gene carrier, such as the cytotoxicity induced by excess positive charge, as well as the aggregation on the cell surface. The PLGA-based nanoparticles presented in this study were … Show more

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Cited by 86 publications
(56 citation statements)
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“…In the nonviral gene delivery overcoming biological barriers in the circulation or inside the target cell and transferring the gene vector is based on the molecular weight of the vector, ratio between the vector nitrogens and the DNA phosphates (termed the N:P ratio) and the salt concentration of the buffer solution. [27][28][29][30].…”
Section: Nonviral Transfection Systemsmentioning
confidence: 99%
“…In the nonviral gene delivery overcoming biological barriers in the circulation or inside the target cell and transferring the gene vector is based on the molecular weight of the vector, ratio between the vector nitrogens and the DNA phosphates (termed the N:P ratio) and the salt concentration of the buffer solution. [27][28][29][30].…”
Section: Nonviral Transfection Systemsmentioning
confidence: 99%
“…However, the disadvantages of PEI-or cationic liposome-based gene carriers are the cytotoxicity induced by excess positive charge as well as the aggregation on the cell surface. To overcome those detriments, biodegradable PLGA nanospheres may be very helpful particularly for efficient delivery of cytosolic therapeutics such as miRNAs (Vasir and Labhasetwar, 2007;Liang et al, 2011).…”
Section: Nanocarriersmentioning
confidence: 99%
“…Liposomes containing different lipid compounds or spacer units display varying levels of cytotoxicity (23,32). For example, poly (D,L-lactide-co-glycolide) (PLGA)-based nanoparticles and commercial Lipo2000 show about 90% and 86% cell viability, respectively (32).…”
Section: Ptf-ls Show Low Cytotoxicity Against Cultured Tumor Cell Linesmentioning
confidence: 99%