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Cancer: Glioma

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Total 625 results found since Jan 2013.

Resveratrol and siRNA in combination reduces Hsp27 expression and induces caspase-3 activity in human glioblastoma cells.
This study is the first report showing that resveratrol reduces Hsp27 levels, and siRNA-mediated Hsp27 silencing enhances the therapeutic effects of resveratrol in glioma cells. Our results suggest that resveratrol administration in combination with Hsp27 silencing has a potential to be used as a candidate for GBM treatment. PMID: 31073903 [PubMed - as supplied by publisher]
Source: Cell Stress and Chaperones - May 8, 2019 Category: Cytology Authors: Önay Uçar E, Şengelen A Tags: Cell Stress Chaperones Source Type: research

Circular RNA circNF1 siRNA Silencing Inhibits Glioblastoma Cell Proliferation by Promoting the Maturation of miR-340
This study aimed to analyze the role of circNF1 in glioblastoma (GBM). The expression of circNF1, mature miR-340, and miR-340 precursor in paired GBM and non-cancer tissues from GBM patients (n = 50) was analyzed by RT-qPCR. GBM cells were transfected with circNF1 siRNA, followed by the analysis of the expression of mature miR-340 and miR-340 precursor, to study the effects of circNF1 knockdown on the maturation of miR-340. The CCK-8 assay was carried out to explore the role of circNF1 and miR-340 in the proliferation of GBM cells. circNF1 expression was found to be upregulated in GBM and was correlated with patient surviv...
Source: Frontiers in Neurology - September 13, 2021 Category: Neurology Source Type: research

A Nanoparticle-Conjugated Anti-TBK1 siRNA Induces Autophagy-Related Apoptosis and Enhances cGAS-STING Pathway in GBM Cells
CONCLUSION: The rGO-PEG could be an efficient system facilitating the delivery of specific siRNA. TBK1si/rGO-PEG could be a novel strategy for the treatment of GBM.PMID:34931127 | PMC:PMC8684524 | DOI:10.1155/2021/6521953
Source: Evidence-based Complementary and Alternative Medicine - December 21, 2021 Category: Complementary Medicine Authors: Shengchao Xu Xi Yan Lu Tang Gan Dai Chengke Luo Source Type: research

Targeting glucose uptake with siRNA-based nanomedicine for cancer therapy.
In this study, we report an effective strategy for cancer therapy through targeting glucose transporter 3 (GLUT3) with siRNA-based nanomedicine to simultaneously inhibit the self-renewal of glioma stem cells and bulk glioma cells in a glucose restricted tumor micro-environment. We have demonstrated that cationic lipid-assisted poly(ethylene glycol)-b-poly(d,l-lactide) (PEG-PLA) nanoparticles can efficiently deliver siRNA into U87MG and U251 glioma stem cells and bulk glioma cells. Nanoparticles carrying specific siRNA targeting GLUT3 (NPsiGLUT3) were able to significantly reduce the expression of GLUT3 in glioma stem cells...
Source: Biomaterials - March 20, 2015 Category: Materials Science Authors: Xu CF, Liu Y, Shen S, Zhu YH, Wang J Tags: Biomaterials Source Type: research

Effect of CCL2 siRNA on proliferation and apoptosis in the U251 human glioma cell line.
In conclusion, CCL2 siRNA exhibited effective inhibition of cell proliferation and angiogenesis in the glioma cell line U251, which may provide a theoretical basis for the use of CCL2 in in vivo research and clinical treatment as a novel anticancer agent. PMID: 28714025 [PubMed - as supplied by publisher]
Source: Molecular Medicine Reports - July 19, 2017 Category: Molecular Biology Tags: Mol Med Rep Source Type: research

Cancers, Vol. 11, Pages 333: Therapeutic Targeting of Stat3 Using Lipopolyplex Nanoparticle-Formulated siRNA in a Syngeneic Orthotopic Mouse Glioma Model
r Donat Kögel Glioblastoma (GBM), WHO grade IV, is the most aggressive primary brain tumor in adults. The median survival time using standard therapy is only 12–15 months with a 5-year survival rate of around 5%. Thus, new and effective treatment modalities are of significant importance. Signal transducer and activator of transcription 3 (Stat3) is a key signaling protein driving major hallmarks of cancer and represents a promising target for the development of targeted glioblastoma therapies. Here we present data showing that the therapeutic application of siRNAs, formulated in nanoscale lipopolyplexe...
Source: Cancers - March 7, 2019 Category: Cancer & Oncology Authors: Benedikt Linder Ulrike Weirauch Alexander Ewe Anja Uhmann Volker Seifert Michel Mittelbronn Patrick N. Harter Achim Aigner Donat K ögel Tags: Article Source Type: research

Hydroxyl-Rich PGMA-Based Cationic Glycopolymers for Intracellular siRNA Delivery: Biocompatibility and Effect of Sugar Decoration Degree.
Abstract The ErbB family of proteins, structurally related to the epidermal growth factor receptor (EGFR), is found to be over-expressed in many cancers such as gliomas, lung and cervical carcinomas. Gene therapy allows to modify the expression of genes like ErbB and has been a promising strategy to target oncogenes and tumor suppressor genes. In the current work, novel hydroxyl-rich polyglycidyl methacrylate (PGMA)-based cationic glycopolymers were designed for intracellular small interfering RNA (siRNA) delivery to silence the EGFR gene. The cationic polymers with different sugar decoration degrees (0%, 9%, and ...
Source: Biomacromolecules - April 9, 2019 Category: Biochemistry Authors: Chen Y, Diaz-Dussan D, Peng YY, Narain R Tags: Biomacromolecules Source Type: research

Enhanced nose-to-brain delivery of siRNA using hyaluronan-enveloped nanomicelles for glioma therapy
In conclusion, HA/DP7-C is a potential intranasal delivery system for siRNAs in glioma therapy.PMID:34973309 | DOI:10.1016/j.jconrel.2021.12.034
Source: Cancer Control - January 1, 2022 Category: Cancer & Oncology Authors: YuLing Yang XueYan Zhang SiWen Wu Rui Zhang BaiLing Zhou XiaoYu Zhang Lin Tang Yaomei Tian Ke Men Li Yang Source Type: research

VE-statin/Egfl7 siRNA inhibits angiogenesis in malignant glioma in vitro.
This study investigated the role of VE-statin/Egfl7 and its mechanism in angiogenesis in malignant glioma. Transwell culture plates were used to establish an U251-HUVEC co-culture system, which was used to mimic the interaction between malignant glioma and endothelial cells. Lentiviral vectors expressing VE-statin/Egfl7 siRNA were constructed, and U251 cells and HUVECs were transfected to inhibit VE-statin/Egfl7 expression. The proliferation, adherence, migration, and lumen formation of endothelial cells were assayed to investigate the influence of VE-statin/Egfl7 on angiogenesis in malignant glioma in vitro. Data showed t...
Source: International Journal of Clinical and Experimental Pathology - April 7, 2014 Category: Pathology Authors: Huang C, Yuan X, Li Z, Tian Z, Zhan X, Zhang J, Li X Tags: Int J Clin Exp Pathol Source Type: research

siRNA targeting stathmin inhibits invasion and enhances chemotherapy sensitivity of stem cells derived from glioma cell lines.
Abstract Glioma is one of the most highly angiogenic tumors, and glioma stem cells (GSCs) are responsible for resistance to chemotherapy and radiotherapy, as well as recurrence after operation. Stathmin is substantial for mitosis and plays an important role in proliferation and migration of glioma-derived endothelial cells. However, the relationship between stathmin and GSCs is incompletely understood. Here we isolated GSCs from glioma cell lines U87MG and U251, and then used siRNA targeting stathmin for silencing. We showed that silencing of stathmin suppressed the proliferation, increased the apoptosis rate, and...
Source: Acta Biochimica et Biophysica Sinica - October 27, 2014 Category: Biochemistry Authors: Song Y, Mu L, Han X, Liu X, Fu S Tags: Acta Biochim Biophys Sin (Shanghai) Source Type: research

Single-component self-assembled RNAi nanoparticles functionalized with tumor-targeting iNGR delivering abundant siRNA for efficient glioma therapy.
In this study, a novel glioma-targeting RNAi system was developed. Single-component RNAi nanospheres were tactfully self-assembled in vitro, combining the carrier and cargo as a whole. An artificially synthesized polycation (pOEI) with redox-sensitive disulfides in structure condensed the RNAi nanospheres into more compacted nanoparticles. Then a novelly designed tumor-homing and penetrating cyclopeptide iNGR was further modified on the surface. iNGR modified RNAi nanoparticles demonstrated significantly enhanced accumulation in glioma site, remaining stable in circulation until the release of naked RNAi nanospheres were ...
Source: Biomaterials - April 24, 2015 Category: Materials Science Authors: An S, Jiang X, Shi J, He X, Li J, Guo Y, Zhang Y, Ma H, Lu Y, Jiang C Tags: Biomaterials Source Type: research

Effects of siRNA-dependent knock-down of cardiolipin synthase and tafazzin on mitochondria and proliferation of glioma cells.
This study aimed to separate the effects of CL content and CL composition from cellular free fatty acid distribution on bioenergetics and proliferation in C6 glioma cells. To this end, cardiolipin synthase and the CL remodelling enzyme, tafazzin, were knocked-down by siRNA in C6 cells. After 72 h of cultivation, we analysed CL composition by means of LC/MS/MS, distribution of cellular fatty acids by means of gas chromatography, and determined oxygen consumption and proliferation. Knock-down of cardiolipin synthase affected the cellular CL content in the presence of linoleic acid (LA) in the culture medium. Knock-down of ta...
Source: Biochimica et Biophysica Acta - January 8, 2018 Category: Biochemistry Authors: Ohlig T, Le DV, Gardemann A, Wolke C, Gürtler S, Peter D, Schild L, Lendeckel U Tags: Biochim Biophys Acta Source Type: research

Co-delivery of GOLPH3 siRNA and gefitinib by cationic lipid-PLGA nanoparticles improves EGFR-targeted therapy for glioma
AbstractGlioblastoma is one of the most aggressive types of brain tumor. Epidermal growth factor receptors (EGFRs) are overexpressed in glioma, and EGFR amplifications and mutations lead to rapid proliferation and invasion. EGFR-targeted therapy might be an effective treatment for glioma. Gefitinib (Ge) is an EGFR tyrosine kinase inhibitor (TKI), and Golgi phosphoprotein 3 (GOLPH3) expression is associated with worse glioma prognosis. Downregulation of GOLPH3 could promote EGFR degradation. Here, an angiopep-2 (A2)-modified cationic lipid-poly (lactic-co-glycolic acid) (PLGA) nanoparticle (A2-N) was developed that can rele...
Source: Journal of Molecular Medicine - October 29, 2019 Category: Molecular Biology Source Type: research

Targeting of EGFR and HER2 with therapeutic antibodies and siRNA
Conclusion The epidermal growth factor receptor HER2 is a promising anti-tumor target for the therapy of glioblastoma. HER2 targeting may represent a promising strategy to induce cell physiological and radiobiological anti-tumor effects in glioblastoma.
Source: Strahlentherapie und Onkologie - January 29, 2015 Category: Cancer & Oncology Source Type: research