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Therapy: Gene Therapy

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Total 490 results found since Jan 2013.

Toxicological exploration of peptide-based cationic liposomes in siRNA delivery.
Abstract The toxicology of cationic liposomes was explored to advance clinical trials of liposome-mediated gene therapy through the analysis of a peptide cationic liposome with DOTAP as a positive control. We first investigated the delivery of luciferase siRNA by several peptide liposomes in mice bearing lung cancer A549 cell xenografts. Of these, a cationic liposome (CDO14) was selected for further investigation. CDO14 efficiently mediated IGF-1R-siRNA delivery and inhibited the growth of the A549 cell xenografts. The in vivo toxicity and toxicological mechanisms of the selected liposome were evaluated to assess ...
Source: Colloids and Surfaces - March 24, 2019 Category: Biotechnology Authors: Zhu Y, Meng Y, Zhao Y, Zhu J, Xu H, Zhang E, Shi L, Du L, Liu G, Zhang C, Xu X, Kang X, Zhen Y, Zhang S Tags: Colloids Surf B Biointerfaces Source Type: research

MRI-Visible Nanovehicle for Efficient siRNA Delivery
Methods Mol Biol. 2021;2282:195-208. doi: 10.1007/978-1-0716-1298-9_13.ABSTRACTVisualizing siRNA delivery through medical imaging methods has drawn much attentions in recent gene therapy studies. Among them, iron oxide-based magnetic resonance imaging (MRI) is regarded as one of the most promising imaging modalities for its high spatial resolution as well as deep penetration and real-time properties. In this chapter, a detailed protocol of an amphiphilic superparamagnetic iron oxide (SPIO) nanovehicle-based siRNA delivery is described, mainly focusing on SPIO/siRNA complexes formation and characterization, in vitro and in ...
Source: Mol Biol Cell - April 30, 2021 Category: Molecular Biology Authors: Rongrong Jin Wencheng Zhu Gan Lin Gang Liu Hua Ai Source Type: research

A fluorinated peptide with high serum- and lipid-tolerence for the delivery of siRNA drugs to treat obesity and metabolic dysfunction
Biomaterials. 2022 Apr 28;285:121541. doi: 10.1016/j.biomaterials.2022.121541. Online ahead of print.ABSTRACTObesity is the major risk factor for metabolic diseases such as fatty liver, hyperlipidemia and insulin resistance. Beige fat has been recognized as a therapeutic target considering its great potential to burn energy. Since the evolutionary discovery of RNA interference and its utilization for gene knockdown in mammalian cells, a remarkable progress has been achieved in siRNA-based therapeutics. However, efficient delivery of siRNA into adipose tissues or differentiated adipocytes is challenging due to high lipid co...
Source: Biomaterials - May 9, 2022 Category: Materials Science Authors: Jin Qiu Qianqian Fan Sainan Xu Dongmei Wang Juntong Chen Sainan Wang Tianhui Hu Xinran Ma Yiyun Cheng Lingyan Xu Source Type: research

Multifunctional magnetic nanocarriers for delivery of siRNA and shRNA plasmid to mammalian cells: Characterization, adsorption and release behaviors
This study introduces a new MNP functionalization that can be used for the magnetically driven intracellular delivery of nucleic acids.PMID:36162177 | DOI:10.1016/j.colsurfb.2022.112861
Source: Colloids and Surfaces - September 26, 2022 Category: Biotechnology Authors: Chi-Hsien Liu Cheng-Han Lin Yi-Jun Chen Wei-Chi Wu Chun-Chao Wang Source Type: research

Synergistic treatment of osteosarcoma with biomimetic nanoparticles transporting doxorubicin and siRNA
ConclusionDOX/siSUR-PLGA@MSCM NPs can show improved therapeutic effects in osteosarcoma patients due to the combination of a chemotherapeutic drug and gene therapy based on their good tumor targeting and biosafety.
Source: Frontiers in Oncology - January 23, 2023 Category: Cancer & Oncology Source Type: research

Characterization of Polyethylene Glycol-Polyethyleneimine as a Vector for Alpha-Synuclein siRNA Delivery to PC12 Cells for Parkinson's Disease.
CONCLUSIONS: Our results demonstrate that PEG-PEI performs well as a vector for alpha-synuclein siRNA delivery into PC12 cells. Additionally, PEG-PEI/siSNCA complexes were suggested to be able to protect cells from death via apoptosis induced by MPP(+) . These findings suggest that PEG-PEI/siSNCA nanoparticles exhibit remarkable potential as a gene delivery system for Parkinson's disease. PMID: 24279586 [PubMed - as supplied by publisher]
Source: CNS Neuroscience and Therapeutics - November 27, 2013 Category: Neuroscience Authors: Liu YY, Yang XY, Li Z, Liu ZL, Cheng D, Wang Y, Wen XJ, Hu JY, Liu J, Wang LM, Wang HJ Tags: CNS Neurosci Ther Source Type: research

The inhibitory effect of a new scFv/tP protein as siRNA delivery system to target hWAPL in cervical carcinoma.
Abstract Targeted immunotherapy has become a popular research topic in cancer. The development and metastasis of cervical carcinoma are closely related to epidermal growth factor (EGF) and EGF-1 receptor (EGFR). We successfully constructed a single-chain human anti-EGFR antibody (scFv) and truncated protamine (tP) fusion protein (scFV/tP) expression vector using overlap extension PCR. Enzyme-linked immunosorbent assay and gel shift assay showed that the fusion protein retained the DNA and antigen-binding activity of the original antibody. Using the non-viral scFv/tP vector as a delivery tool, small interfering RNA...
Source: Molecular and Cellular Biochemistry - February 25, 2014 Category: Biochemistry Authors: Zhang H, Mao Y, Zhang F, Ye C, Tong H, Su Y, Zhu J Tags: Mol Cell Biochem Source Type: research

Permanent acceptance of mouse cardiac allografts with CD40 siRNA to induce regulatory myeloid cells by use of a novel polysaccharide siRNA delivery system
, H Zou, J Xu, X-K Li & S Takahara
Source: Gene Therapy - January 8, 2015 Category: Genetics & Stem Cells Authors: Q ZhangN IchimaruS HiguchiS CaiJ HouM FujinoN NonomuraM KobayashiH AndoA UnoK SakuraiS MochizukiY AdachiN OhnoH ZouJ XuX-K LiS Takahara Source Type: research

Foxf1 SiRNA Delivery to Hepatic Stellate Cells by DBTC Lipoplex Formulations Ameliorates Fibrosis in Livers of Bile Duct Ligated Mice.
Abstract Activation of hepatic stellate cells (HSCs) is a key event in pathogenesis of liver fibrosis and represents an orchestral interplay of inhibiting and activating transcription factors like forkhead box f1 (Foxf1), being described to stimulate pro-fibrogenic genes in HSCs. Here, we evaluated a lipid-based liver-specific delivery system (DBTC) suitable to transfer Foxf1 siRNA specifically to HSCs and examined its antifibrotic potential on primary HSCs and LX-2 cells as well as in a murine model of bile duct ligation (BDL)-induced secondary cholestasis. Foxf1 silencing reduced proliferation capacity and atten...
Source: Current Gene Therapy - January 25, 2015 Category: Genetics & Stem Cells Authors: Abshagen K, Brensel M, Genz B, Roth K, Thomas M, Fehring V, Schaeper U, Vollmar B Tags: Curr Gene Ther Source Type: research

Gold nanorod delivery of LSD1 siRNA induces human mesenchymal stem cell differentiation
In this study, we have developed poly-sodium 4-styrenesulfonate (PSS) and poly-allylamine hydrochloride (PAH) coated AuNR-based nanocarriers, which are capable of delivering small interfering RNA (siRNA) against LSD1 to induce the differentiation of human mesenchymal stem cells. To further study the mechanism, we tested the stemness and differentiation genes and found that they have been changed with LSD1 down-regulation. In addition, with the hepatocyte growth factor (HGF), LSD1 siRNA delivery by AuNRs could promote the differentiation of the human mesenchymal stem cells (human MSCs) into a hepatocyte lineage in vitro. Ou...
Source: Materials Science and Engineering: C - May 15, 2015 Category: Materials Science Source Type: research

Image-Guided Nanoparticle-Based siRNA Delivery for Cancer Therapy.
Abstract With the discovery of RNA interference technology, small-interfering RNA (siRNA) has emerged as new powerful tool for gene therapy because of its high targeting specificity and selectivity. However, one of the limitations to successful gene therapy is the inability to monitor delivery of genes and therapeutic responses at the targeted site. Hence, a combinatorial approach of gene therapy with molecular imaging has been crucial in optimizing gene therapy. Recent advances in nanotechnology have made tremendous efforts to develop multifunctional nanoparticles that contain imaging and therapeutic agents toget...
Source: Current Pharmaceutical Design - October 23, 2015 Category: Drugs & Pharmacology Authors: Tekade RK, Maheshwari RG, Sharma PA, Tekade M, Chauhan AS Tags: Curr Pharm Des Source Type: research

BACH1 silencing by siRNA inhibits migration of HT-29 colon cancer cells through reduction of metastasis-related genes
Conclusion Our results indicated that BACH1 down-regulation in HT29 CRC cells had no effect on cell growth but did inhibit cell migration by decreasing metastasis-related genes expression. Collectively, these results suggest that BACH1 may function as an oncogenic driver in colon cancer and may represent as a potential target of gene therapy for CRC treatment.
Source: Biomedicine and Pharmacotherapy - September 19, 2016 Category: Drugs & Pharmacology Source Type: research