نتایج جستجو برای: gene delivery polyethyleneimine
تعداد نتایج: 1325684 فیلتر نتایج به سال:
Montmorillonite, a bioinert clay mineral, was examined as a novel vector for an oral gene-delivery system. The complex of montmorillonite and plasmid DNA encoding the enhanced green fluorescent protein (EGFP) gene was prepared at various weight ratios, and then transfected into cultured intestinal epithelial cells (IEC-6) in vitro. The EGFP gene was clearly transcribed when the transfection was...
glioma, as a primary tumor of central nervous system, is the main cause of death in patients with brain cancer. therefore, development of an efficient strategy for treatment of glioma is worthy. the aim of the current study was to develop a srl peptide-coated dendrimer as a novel dual gene delivery system for targeting the lrp receptor, an up-regulated gene in both bbb and glioma cells. to perf...
BACKGROUND Gene therapy provides a novel method for the prevention and treatment of cancer, but the clinical application of gene therapy is restricted, mainly because of the absence of an efficient and safe gene delivery system. Recently, we developed a novel nonviral gene carrier, ie, heparin-polyethyleneimine (HPEI) nanoparticles for this purpose. METHODS AND RESULTS HPEI nanoparticles were...
In this article, we report the development and preclinical validation of combinatorial therapy for treatment of cancers using RNA interference (RNAi). RNAi technology is an attractive approach to silence genes responsible for disease onset and progression. Currently, the critical challenge facing the clinical success of RNAi technology is in the difficulty of delivery of RNAi inducers, due to l...
The widespread utilization of gene silencing techniques, such as antisense, is impeded by the poor cellular delivery of oligonucleotides (ONs). Rational design of carriers for enhanced ON delivery demands a better understanding of the role of the vector on the extent and time course of antisense effects. The aim of this study is to understand the effects of polymer molecular weight (MW) and ON ...
objective(s): lipid-based nanoparticles (nlp) are pegylated carriers composed of lipids and encapsulated nucleic acids with a diameter less than 100 nm. the presence of peg in the nlp formulation improves the particle pharmacokinetic behavior. the purpose of this study was to prepare and characterize nlps containing mdr1 sirna and evaluate their cytotoxicity and cellular uptake. mdr1 sirna coul...
gene therapy is in its development stage as a novel method for cancer treatment. liposomes look promising as gene delivery vectors; however, investigations have shown that these vesicles are not doing well in some cases. it was decided here to investigate the possibility of augmentation of liposomal gene delivery by chemical penetration enhancers.cationic liposome containing antisense oligonucl...
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