نتایج جستجو برای: sirna delivery
تعداد نتایج: 224779 فیلتر نتایج به سال:
Screening for a molecular target for cancer therapy requires multiple steps, of which an important one is evaluation of the knockdown effect of the target molecule on pregrown xenograft tumors. However, methods currently used for local administration of knockdown reagents, such as short interfering RNA (siRNA), are not satisfactory as to simplicity and efficiency. We established an electroporat...
Consecutive expression of the high‑risk human papillomavirus (HPV) oncoproteins, E6 and E7, is pivotal for malignant transformation and maintenance of the malignant phenotype. These oncogenes may be potential targets of gene silencing‑based molecular therapies for human cervical cancer. The aim of the present study was to evaluate the efficacy of ...
Sequence-specific gene silencing using small interfering RNA (siRNA) is a Nobel prize-winning technology that is now being evaluated in clinical trials as a potentially novel therapeutic strategy. This article provides an overview of the major pharmaceutical challenges facing siRNA therapeutics, focusing on the delivery strategies for synthetic siRNA duplexes in vivo, as this remains one of the...
Therapeutic applications of gene silencing using siRNA have seen increasing interest over the past decade. The optimization of the delivery and biodistribution of siRNA using liposome-gold nanorod (AuNRs) nanoscale carriers can greatly benefit from adept imaging methods that can visualize the time-resolved delivery performance of such vectors. In this work, we describe the effect of AuNR length...
Drug resistance remains a major challenge for anticancer treatment, and one of the major mechanisms of drug resistance is the overexpression of drug efflux transporters in cancer. A new approach for defeating drug resistance is the use of a co-delivery strategy that utilizes small interfering RNA (siRNA) to silence the expression of efflux transporters together with a suitable anticancer drug f...
BACKGROUND Inhibition of cyclin-dependent kinases 4 (CDK4) activity by Small-interfering RNA (siRNA) has been demonstrated as one of the promising approaches to treat cancer. MATERIALS AND METHODS CDK4 siRNA was packaged in a lipid nanoparticle (LNP)-based delivery system that consists of an ionizable cationic lipid, helper lipid and polyethylene glycol (PEG)-lipid. The physical properties, i...
We have developed a PCR-based short interfering RNA (siRNA) quantification method based on competition between siRNA and a homologous DNA primer for annealing to template DNA, avoiding the requirement for prior conversion of RNA to cDNA. Primers and probe were designed to amplify regions of the human papillomavirus E6 or enhanced green fluorescent protein genes. Having confirmed siRNA could not...
We describe a safe and highly effective non-viral vector system based on β-cyclodextrin (β-CD)-modified dendrimer-entrapped gold nanoparticles (Au DENPs) for improved delivery small interfering RNA (siRNA) to glioblastoma cells. In our approach, we utilized amine-terminated generation 5 poly(amidoamine) dendrimers partially grafted with β-CD as a nanoreactor to entrap Au NPs. The acquired β-CD-...
Gene therapy aims to silence an oncogene through RNA interference, or replace abnormal tumour suppressor via gene augmentation. In this study, we intended interference for PRKCA and augmentation PTEN with a view reduce growth in mouse model of breast cancer. Inorganic carbonate apatite nanoparticles (CA NPs) were utilized deliver the synthetic siRNA purified gene-carrying plasmid DNA both vitro...
Development of RNA interference (RNAi) technology utilizing the short interfering RNA sequences (siRNA) based 'targeted' therapeutics has focused on creating methods for delivering siRNAs to cells and for enhancing siRNA stability in vitro and in vivo. Here, we describe a novel approach for siRNA cellular delivery using siRNA encapsulated into liposomes additionally bearing arginine octamer (R8...
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