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Total 366 results found since Jan 2013.

Preparation of PEGylated cationic nanoliposome-siRNA complexes for cancer therapy.
In conclusion, our novel PEGylated liposomes have high potential for systemic delivery of siRNA and can improve in vivo stability of free siRNA and also siRNA lipoplexes. PMID: 29475393 [PubMed - as supplied by publisher]
Source: Artificial Cells, Nanomedicine and Biotechnology - February 26, 2018 Category: Biotechnology Tags: Artif Cells Nanomed Biotechnol Source Type: research

Effect and mechanism analysis of siRNA in inhibiting VEGF and its anti-angiogenesis effects in human osteosarcoma bearing rats.
CONCLUSIONS: The growth of tumor tissue in osteosarcoma bearing rats is inhibited in Ad-VEGF-siRNA group, Ad-VEGF-siRNA + neoadjuvant chemotherapy group and Ad-VEGF-siRNA + anti-angiogenesis chemotherapy group. The effect in Ad-VEGF-siRNA + neoadjuvant chemotherapy is more significant than simple biological therapy or Ad-VEGF-siRNA + anti-angiogenesis chemotherapy. PMID: 26636524 [PubMed - in process]
Source: European Review for Medical and Pharmacological Sciences - December 6, 2015 Category: Drugs & Pharmacology Tags: Eur Rev Med Pharmacol Sci Source Type: research

Plasma hydrogenated cationic detonation nanodiamonds efficiently deliver to human cells in culture functional siRNA targeting the Ewing sarcoma junction oncogene.
Abstract The expression of a defective gene can lead to major cell dysfunctions among which cell proliferation and tumor formation. One promising therapeutic strategy consists in silencing the defective gene using small interfering RNA (siRNA). In previous publications we showed that diamond nanocrystals (ND) of primary size 35 nm, rendered cationic by polyethyleneimine-coating, can efficiently deliver siRNA into cell, which further block the expression of EWS/FLI-1 oncogene in a Ewing sarcoma disease model. However, a therapeutic application of such nanodiamonds requires their elimination by the organism, partic...
Source: Biomaterials - February 13, 2015 Category: Materials Science Authors: Bertrand JR, Pioche-Durieu C, Ayala J, Petit T, Girard HA, Malvy CP, Le Cam E, Treussart F, Arnault JC Tags: Biomaterials Source Type: research

Magnetic Core–Shell Silica Nanoparticles with Large Radial Mesopores for siRNA Delivery
A novel type of magnetic core–shell silica nanoparticles is developed for small interfering RNA (siRNA) delivery. These nanoparticles are fabricated by coating super‐paramagnetic magnetite nanocrystal clusters with radial large‐pore mesoporous silica. The amine functionalized nanoparticles have small particle sizes around 150 nm, large radial mesopores of 12 nm, large surface area of 411 m2 g−1, high pore volume of 1.13 cm3 g−1 and magnetization of 25 emu g−1. Thus, these nanoparticles possess both high loading capacity of siRNA (2 wt%) and strong magnetic response under an external magnetic field. An acid‐li...
Source: Small - May 18, 2016 Category: Nanotechnology Authors: Lin Xiong, Jingxu Bi, Youhong Tang, Shi‐Zhang Qiao Tags: Full Paper Source Type: research

Magnetic Core –Shell Silica Nanoparticles with Large Radial Mesopores for siRNA Delivery
A novel type of magnetic core–shell silica nanoparticles is developed for small interfering RNA (siRNA) delivery. These nanoparticles are fabricated by coating super‐paramagnetic magnetite nanocrystal clusters with radial large‐pore mesoporous silica. The amine functionalized nanoparticles have small particle sizes around 150 nm, large radial mesopores of 12 nm, large surface area of 411 m2 g−1, high pore volume of 1.13 cm3 g−1 and magnetization of 25 emu g−1. Thus, these nanoparticles possess both high loading capacity of siRNA (2 wt%) and strong magnetic response under an external magnetic field. An acid‐li...
Source: Small - May 18, 2016 Category: Nanotechnology Authors: Lin Xiong, Jingxu Bi, Youhong Tang, Shi ‐Zhang Qiao Tags: Full Paper Source Type: research

Mannose-conjugated layered double hydroxide nanocomposite for targeted siRNA delivery to enhance cancer therapy
Publication date: Available online 22 June 2017Source: Nanomedicine: Nanotechnology, Biology and MedicineAuthor(s): Li Li, Run Zhang, Wenyi Gu, Zhi Ping XuAbstractSheet-like layered double hydroxide nanoparticles (LDH NPs) have showed great potentials in biomedical applications such as nanocarriers for drug and gene delivery, biosensors and imaging agents. However, target delivery of drugs and genes using LDH NPs to the desired tumor sites is a major challenge in cancer therapy. The aim of this study is to develop a functional LDH-based nanocomposite for target delivery of siRNA to cancer cells. Mannose as a targeting moie...
Source: Nanomedicine: Nanotechnology, Biology and Medicine - July 5, 2018 Category: Nanotechnology Source Type: research

Mannose-conjugated layered double hydroxide nanocomposite for targeted siRNA delivery to enhanced cancer therapy
Publication date: Available online 22 June 2017 Source:Nanomedicine: Nanotechnology, Biology and Medicine Author(s): Li Li, Run Zhang, Wenyi Gu, Zhi Ping Xu Sheet-like layered double hydroxide nanoparticles (LDH NPs) have showed great potentials in biomedical applications such as nanocarriers for drug and gene delivery, biosensors and imaging agents. However, target delivery of drugs and genes using LDH NPs to the desired tumor sites is a major challenge in cancer therapy. The aim of this study is to develop a functional LDH-based nanocomposite for target delivery of siRNA to cancer cells. Mannose as a targeting moiety wa...
Source: Nanomedicine: Nanotechnology, Biology and Medicine - June 23, 2017 Category: Nanotechnology Source Type: research

Mannose-conjugated layered double hydroxide nanocomposite for targeted siRNA delivery to enhance cancer therapy
Publication date: Available online 22 June 2017 Source:Nanomedicine: Nanotechnology, Biology and Medicine Author(s): Li Li, Run Zhang, Wenyi Gu, Zhi Ping Xu Sheet-like layered double hydroxide nanoparticles (LDH NPs) have showed great potentials in biomedical applications such as nanocarriers for drug and gene delivery, biosensors and imaging agents. However, target delivery of drugs and genes using LDH NPs to the desired tumor sites is a major challenge in cancer therapy. The aim of this study is to develop a functional LDH-based nanocomposite for target delivery of siRNA to cancer cells. Mannose as a targeting moiety wa...
Source: Nanomedicine: Nanotechnology, Biology and Medicine - July 1, 2017 Category: Nanotechnology Source Type: research

Effects of Grb2-associated binding protein 2-specific siRNA on the migration and invasion of MG-63 osteosarcoma cells.
Authors: Wang H, He H, Meng H, Cui Y, Wang W Abstract To investigate the association between the expression of growth factor receptor binding protein 2-associated binding protein 2 (Gab2) in human osteosarcoma as well as the effects of Gab2 on invasion and metastasis, human MG-63 osteosarcoma cells were transfected with small interfering (si)RNA plasmid. Gab2 protein and mRNA expression levels were detected using western blotting and reverse transcription-polymerase chain reaction, respectively. The cell migration and invasion abilities were detected using in vitro chemotaxis and invasion assays, respectively, foll...
Source: Oncology Letters - February 10, 2018 Category: Cancer & Oncology Tags: Oncol Lett Source Type: research

Abstract 2603: Specific growth suppression of wild-type p53 tumor cells by DNA-modified siRNA sequences targeting MDM2
Conclusions: Our 2 newly selected dsRDC-modified siRNAs had high knockdown activity and less nonspecific cytotoxicity. Thus, they represent potent therapeutic agents against cancers carrying wt p53 with MDM2 overexpression. Citation Format: Mitsuaki Hirose, Kenji Yamato, Rie Saito, Takunori Ueno, Sachiko Hirai, Hideo Suzuki, Shinji Endo, Ichinosuke Hyodo. Specific growth suppression of wild-type p53 tumor cells by DNA-modified siRNA sequences targeting MDM2. [abstract]. In: Proceedings of the 105th Annual Meeting of the American Association for Cancer Research; 2014 Apr 5-9; San Diego, CA. Philadelphia (PA): AACR; Cancer R...
Source: Cancer Research - September 30, 2014 Category: Cancer & Oncology Authors: Hirose, M., Yamato, K., Saito, R., Ueno, T., Hirai, S., Suzuki, H., Endo, S., Hyodo, I. Tags: Experimental and Molecular Therapeutics Source Type: research

AAV-mediated siRNA against TRPV1 reduces nociception in a rat model of bone cancer pain.
Conclusions: Knockdown of TRPV1 effectively ameliorated mechanical allodynia and thermal hyperalgesia induced by TCI. Our data demonstrated that modulate the expression of TRPV1 in the spinal cord could be a potential therapeutic approach for bone cancer pain. PMID: 31296147 [PubMed - as supplied by publisher]
Source: Neurological Research - July 13, 2019 Category: Neurology Tags: Neurol Res 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

Suppression of heat shock protein 70 by siRNA enhances the antitumor effects of cisplatin in cultured human osteosarcoma cells.
This study investigated whether small interfering RNA (siRNA)-mediated inhibition of Hsp70 expression in an osteosarcoma cell line would enhance sensitivity to cisplatin. The expression of Hsp70 with cisplatin treatment was observed by using Western blotting and real-time reverse transcription polymerase chain reaction (RT-PCR). Changes in the IC50 of cisplatin when Hsp70 was inhibited by siRNA were evaluated. Cisplatin's effectiveness in inducing apoptosis was assessed by assay of terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL), caspase-3 activity, and mitochondrial membrane potential. Up-reg...
Source: Cell Stress and Chaperones - May 2, 2017 Category: Cytology Authors: Mori Y, Terauchi R, Shirai T, Tsuchida S, Mizoshiri N, Arai Y, Kishida T, Fujiwara H, Mazda O, Kubo T Tags: Cell Stress Chaperones Source Type: research

Graphene oxide functionalized with chitosan based nanoparticles as a carrier of siRNA in regulating Bcl-2 expression on Saos-2 & MG-63 cancer cells and its inflammatory response on bone marrow derived cells from mice
Publication date: June 2019Source: Materials Science and Engineering: C, Volume 99Author(s): Shanmuga Sundar Saravanabhavan, Muruganantham Rethinasabapathy, Sarang Zsolt, Aravind Bhat Kalambettu, Sundaravadivel Elumalai, Manokaran Janakiraman, Yun Suk Huh, Balasubramanian NatesanAbstractPresently, quite a lot of research that are being carried out to find a potential cure for cancer and many had made to clinical trial stage as well. In the present study, we focus on use of a novel graphene oxide functionalized chitosan nanoparticle targeting Saos-2 and MG-63 osteosarcoma cells. The graphene oxide chitosan nanoparticles wer...
Source: Materials Science and Engineering: C - March 1, 2019 Category: Materials Science Source Type: research