Filtered By:
Therapy: Gene Therapy

This page shows you your search results in order of relevance. This is page number 2.

Order by Relevance | Date

Total 490 results found since Jan 2013.

Superparamagnetic iron oxide nanoparticles mediated 131I-hVEGF siRNA inhibits hepatocellular carcinoma tumor growth in nude mice
Conclusions: EMF-guided 131I-hVEGF siRNA/SilenceMag exhibited an antitumor effect. The synergic therapy of 131I-hVEGF siRNA/SilenceMag might be a promising future treatment option against HCC with the dual functional properties of tumor therapy and imaging.
Source: BMC Cancer - February 21, 2014 Category: Cancer & Oncology Authors: Jing ChenShu ZhuLiangqian TongJiansha LiFei ChenYunfeng HanMing ZhaoWei Xiong Source Type: research

Development of hybrid-type modified chitosan derivative nanoparticles for the intracellular delivery of midkine-siRNA in hepatocellular carcinoma cells
Conclusion MixNCH/MK-siRNA nanoparticles could be effective for the treatment of hepatocellular carcinoma.
Source: Hepatobiliary and Pancreatic Diseases International - February 14, 2015 Category: Gastroenterology Source Type: research

Bifunctional siRNA containing immunostimulatory motif 2 enhances protection against pandemic H1N1 virus infection.
CONCLUSIONS: This study paves the way for broad-spectrum RNAi-based therapeutics using immunostimulatory motif towards improved antiviral effect. Hence this approach will be useful to confront the sudden emergence of pandemic strains. PMID: 26264705 [PubMed - as supplied by publisher]
Source: Current Gene Therapy - August 12, 2015 Category: Genetics & Stem Cells Authors: Joshi G, Dash PK, Agarwal A, Sharma S, Parida M Tags: Curr Gene Ther Source Type: research

Polyelectrolyte complexes of hTERT siRNA and polyethyleneimine: Effect of degree of PEG grafting on biological and cellular activity.
Authors: Safari F, Tamaddon AM, Zarghami N, Abolmali S, Akbarzadeh A Abstract Gene silencing by siRNA (short interfering RNA)-targeted human telomerase reverse transcriptase (hTERT) is considered a successful strategy for cancer gene therapy. Polyelectrolyte complexes (PEC) of siRNA and cationic polymers such as polyethyleneimine (PEI) have been widely used for cellular transfection; however, they demonstrate some disadvantages such as cytotoxicity and extracellular matrix restrictions. PEG grafting technology was used in an attempt to improve the biocompatibility of PECs. Considering that this technology may compr...
Source: Artificial Cells, Nanomedicine and Biotechnology - December 12, 2015 Category: Biotechnology Tags: Artif Cells Nanomed Biotechnol Source Type: research

The influence of HOXA5-specific siRNA on the expression of Livin and Smac proteins.
CONCLUSIONS: HOXA5-specific siRNA effectively silenced the HOXA5 gene expression and down-regulation of HOXA5 induced the down-regulation of Livin protein expression and up-regulation of Smac protein. We suggest the HOXA5 gene to be considered as the new target for acute leukemia gene therapy. PMID: 27460741 [PubMed - in process]
Source: European Review for Medical and Pharmacological Sciences - July 29, 2016 Category: Drugs & Pharmacology Tags: Eur Rev Med Pharmacol Sci Source Type: research

Evaluation of siRNA and Cationic Liposomes Complexes as a Model for in vitro siRNA Delivery to Cancer Cells
This study aims to investigate the effect of different molar charge ratios (R+/-) between positive charges from microfluidics-produced cationic liposomes (CL) (egg phosphatidylcholine, 1,2-dioleoyl-3-trimethylammonium-propane and 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine) and negative charges from siRNA and on physico-chemical and morphological properties of the lipoplexes (CL/siRNA) as well as their in vitro luciferase silencing effect in HeLa cells. R+/- 3.27 was found to be the optimum point for complexation. This finding was confirmed by gel retardation and siRNA accessibility assays. According to Cryo-TEM analysis...
Source: Colloids and Surfaces A: Physicochemical and Engineering Aspects - July 6, 2018 Category: Chemistry Source Type: research

Worm ‐Like Biomimetic Nanoerythrocyte Carrying siRNA for Melanoma Gene Therapy
This study reports a third type of nanoworm, biomimetic nanoerythrocytes for siRNA delivery, except for filomicelle and nanoworm iron ‐oxide particle, which is the first approach that allows for targeted siRNA delivery by a process involving red blood cell (RBC) membrane cloaking of charge‐reversible polyplexes of siRNA and polycation. RBC membrane cloaking protects siRNA from RNase A degradation. Moreover, the RBC membrane‐ cloaked charge‐reversible siRNA vector (RBC‐reversible polyplex (RP)) not only stays longer in the blood circulation than that of negatively charged bovine serum albumin (BSA) spheres and pos...
Source: Small - October 17, 2018 Category: Nanotechnology Authors: Yanming Wang, Xin Ji, Miaoliang Ruan, Wen Liu, Rongguang Song, Jian Dai, Wei Xue Tags: Full Paper Source Type: research

A cathepsin B/GSH dual-responsive fluorinated peptide for effective siRNA delivery to cancer cells
Bioorg Chem. 2023 Mar 20;135:106485. doi: 10.1016/j.bioorg.2023.106485. Online ahead of print.ABSTRACTSmall interfering RNA (siRNA) can be exploited to silence specific genes associated with cancer development, and successful siRNA therapy is highly dependent on the efficiency of the siRNA delivery vector. Herein, a well-designed novel redox- and enzyme-responsive fluorinated polyarginine (PFC-PR) was developed to be used as an anti-cancer siRNA carrier. The multiple guanidine groups could provide positive charges and bind with siRNA efficiently, and further fluorination modification enhanced the interaction with siRNA, re...
Source: Bioorganic Chemistry - March 24, 2023 Category: Chemistry Authors: Zhen Shi Yuhan Yang Ziyang Guo Shun Feng Yu Wan Source Type: research

Positron Emission Tomography Studies of the Biodistribution, Translocation, and Fate of Poly Allyl Amine ‐Based Carriers for Sirna Delivery by Systemic and Intratumoral Administration.
Positron emission tomography is used to study the fate of polyplexes formed by siRNA and modified polyamines. Polyplexes are prepared with either radiolabeled siRNA or radiolabeled polyamines. By comparing biodistribution patterns of labeled siRNA and labeled polyamines conclusions are driven on the stability of the polyplexes in vivo. AbstractPolyamine-based vectors offer many advantages for gene therapy, but they are hampered by a limited knowledge on their biological fate and efficacy for nucleic acid delivery. The18F radiolabeled siRNA is complexed with poly(allyl amine) hydrochloride (PAH), PEGylated PAH (PAHPEG), or ...
Source: Small - August 4, 2023 Category: Nanotechnology Authors: Cristina Simo, Cristian Salvador, Patrizia Andreozzi, Vanessa Gomez ‐Vallejo, Gabriela Romero, Damien Dupin, Jordi Llop, Sergio E. Moya Tags: Research Article Source Type: research

Co-delivery of doxorubicin and siRNA by a simplified platform with oligodeoxynucleotides as a drug carrier.
In this study, a simplified and effective system for the co-loading and intracellular co-delivery of doxorubicin (Dox) and siRNA was developed. Oligodeoxynucleotides with CGA repeating units (CGA-ODNs) were introduced to load Dox. The loading mechanism was based on the ability of Dox to intercalate within double-stranded 5'-GC-3' or 5'-CG-3' sequences. Poly(ethyleneimine) (PEI) was used to condense siRNA and Dox loaded CGA-ODNs (CGA-ODNs-Dox) to obtain Dox and siRNA co-loaded nanocomplexes (PEI/CGA-ODNs-Dox&siRNA, PDR). The cellular uptake of PDR in A549 and HepG2 cells was 39.52% and 36.78%, respectively, indicating t...
Source: Colloids and Surfaces - January 14, 2015 Category: Biotechnology Authors: Liu T, Wang M, Wang T, Yao Y, Zhang N Tags: Colloids Surf B Biointerfaces Source Type: research

Exosomes: Natural Carriers for siRNA Delivery.
Abstract Various cells of the human physiological system have the capability to release extracellular vesicles (EVs) involved in intercellular transport of proteins and nucleic acids. Exosomes are a subtype of extracellular vesicles having their origin through endocytic pathway. While being involved in intercellular transport of macromolecules, exosomes, due to their presence in several body fluids, can also be utilized as a system to commute RNA molecules and proteins in the body. Recent advances in gene therapy have provided a new outlook in disease therapeutics by modulation of gene expression using oligonucleo...
Source: Current Pharmaceutical Design - October 23, 2015 Category: Drugs & Pharmacology Authors: Kumar L, Verma S, Vaidya B, Gupta V Tags: Curr Pharm Des Source Type: research

Biokinetic studies of non-complexed siRNA versus nano-sized PEI F25-LMW/siRNA polyplexes following intratracheal instillation into mice
Publication date: 16 March 2016 Source:International Journal of Pharmaceutics, Volume 500, Issues 1–2 Author(s): Jens Lipka, Manuela Semmler-Behnke, Alexander Wenk, Jana Burkhardt, Achim Aigner, Wolfgang Kreyling Successful gene therapy requires stability and sufficient bioavailability of the applied drug at the site of action. In the case of RNA interference (RNAi), non-viral vectors play a promising role for delivering intact siRNA molecules. We selected a low molecular weight polyethyleneimine (PEI F25-LMW) and investigated the biokinetics of PEI F25-LMW/siRNA polyplexes in comparison to non-complexed siRNA mo...
Source: International Journal of Pharmaceutics - January 31, 2016 Category: Drugs & Pharmacology Source Type: research

Phenylboronic acid-functionalized polyamidoamine-mediated Bcl-2 siRNA delivery for inhibiting the cell proliferation.
In conclusion, the PPP-mediated Bcl-2 siRNA delivery could potentially be an effective platform for solving the drug resistance and further achieving the combined chemotherapy and gene therapy in tumor treatment. PMID: 27371891 [PubMed - as supplied by publisher]
Source: Colloids and Surfaces - June 19, 2016 Category: Biotechnology Authors: Wu D, Yang J, Xing Z, Han H, Wang T, Zhang A, Yang Y, Li Q Tags: Colloids Surf B Biointerfaces Source Type: research