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Drug: Polyethylene Glycol

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Total 2716 results found since Jan 2013.

Design and Invitro Characterization of Green Synthesized Magnetic Nanoparticles Conjugated with Multitargeted Poly Lactic Acid Copolymers for Co-delivery of siRNA and Paclitaxel
CONCLUSION: Conjugation of both folic acid and T7-peptide on the surface of micelles compared to separate conjugation of one of these ligands, increased the efficiency of drug and siRNA delivery to breast cancer cells.PMID:34520835 | DOI:10.1016/j.ejps.2021.106007
Source: European Journal of Pharmaceutical Sciences - September 14, 2021 Category: Drugs & Pharmacology Authors: Amin Amani Mohammad Dustparast Mehran Noruzpour Rasool Asghari Zakaria Hossein Ali Ebrahimi Source Type: research

Combination of Nanovectorized siRNA Directed against Survivin with Doxorubicin for Efficient Anti-Cancer Activity in HER2+ Breast Cancer Cells
In conclusion, a combination of anti-Survivin siRNA and DOX would be a good alternative in HER2+ breast cancer therapy.PMID:36432729 | DOI:10.3390/pharmaceutics14112537
Source: Cancer Control - November 26, 2022 Category: Cancer & Oncology Authors: Sahar Eljack Emilie Allard-Vannier Yoann Misericordia Katel Herv é-Aubert Nicolas Aubrey Igor Chourpa Areeg Faggad Stephanie David Source Type: research

Core-Shell type lipid/rPAA-Chol polymer hybrid nanoparticles for in vivo siRNA delivery.
In this study, the core-shell type lipid/rPAA-Chol hybrid nanoparticles (PEG-LP/siRNA NPs and T7-LP/siRNA NPs) were developed for improving in vivo siRNA delivery by modifying the surface of rPAA-Chol/siRNA nanoplex core with a lipid shell, followed by post-insertion of polyethylene glycol phospholipid (DSPE-PEG) and/or peptide (HAIYPRH, named as T7) modified DSPE-PEG-T7. The integrative hybrid nanostructures of LP/siRNA NPs were evidenced by dynamic light scattering (DLS), confocal laser scanning microscope (CLSM), cryo-transmission electron microscope (Cryo-TEM) and surface plasmon resonance (SPR) assay. It was demonstr...
Source: Biomaterials - December 5, 2013 Category: Materials Science Authors: Gao LY, Liu XY, Chen CJ, Wang JC, Feng Q, Yu MZ, Ma XF, Pei XW, Niu YJ, Qiu C, Pang WH, Zhang Q Tags: Biomaterials Source Type: research

One-step scalable preparation method for non-cationic liposomes with high siRNA content
Publication date: 25 July 2015 Source:International Journal of Pharmaceutics, Volume 490, Issues 1–2 Author(s): Masaharu Somiya , Kotomi Yamaguchi , Qiushi Liu , Tomoaki Niimi , Andrés Daniel Maturana , Masumi Iijima , Nobuo Yoshimoto , Shun’ichi Kuroda Cationic liposomes (LPs) have been utilized for short interfering RNA (siRNA) delivery in vitro and in vivo owing to their high affinity for siRNA via electrostatic binding. However, both cytotoxicity and non-specific adsorption of cationic LPs in the body have prevented clinical siRNA applications. These situations have led to siRNA encapsulation in non-cationic LPs...
Source: International Journal of Pharmaceutics - June 8, 2015 Category: Drugs & Pharmacology Source Type: research

Peptide‐like Polymers Exerting Effective Glioma‐Targeted siRNA Delivery and Release for Therapeutic Application
Lipopolymer 49, a solid‐phase synthesized T‐shaped peptide‐like oligoamide containing two central oleic acids, 20 aminoethane, and two terminal cysteine units, is identified as very potent and biocompatible small interfering RNA (siRNA) carrier for gene silencing in glioma cells. This carrier is combined with a novel targeting polymer 727, containing a precise sequence of Angiopep 2 targeting peptide, linked with 28 monomer units of ethylene glycol, 40 aminoethane, and two terminal cysteines in siRNA complex formation. Angiopep‐polyethylene glycol (PEG)/siRNA polyplexes exhibit good nanoparticle features, effective...
Source: Small - July 1, 2015 Category: Nanotechnology Authors: Sai An, Dongsheng He, Ernst Wagner, Chen Jiang Tags: Full Paper Source Type: research

Inhibition of metastasis and growth of breast cancer by pH-sensitive poly (β-amino ester) nanoparticles co-delivering two siRNA and paclitaxel.
Abstract Breast cancer is the most vicious killer for women's health, while metastasis is the main culprit, which leads to failure of treatment by increasing relapse rate. In this work, a new complexes nanoparticles loading two siRNA (Snail siRNA (siSna) and Twist siRNA (siTwi)) and paclitaxel (PTX) were designed and constructed using two new amphiphilic polymer, polyethyleneimine-block-poly[(1,4-butanediol)-diacrylate-β-5-hydroxyamylamine] (PEI-PDHA) and polyethylene glycol-block-poly[(1,4-butanediol)-diacrylate-β-5-hydroxyamylamine] (PEG-PDHA) by self-assembly. The experimental results showed that in the 4T1 t...
Source: Biomaterials - February 25, 2015 Category: Materials Science Authors: Tang S, Yin Q, Su J, Sun H, Meng Q, Chen Y, Chen L, Huang Y, Gu W, Xu M, Yu H, Zhang Z, Li Y Tags: Biomaterials Source Type: research

Glycyrrhetinic acid-modified graphene oxide mediated siRNA delivery for enhanced liver-cancer targeting therapy.
Abstract Graphene oxide (GO) has attracted huge attention in biomedical field in recent years. However, limited attempts have been invested in utilizing GO on active targeted delivery for gene therapy in liver cancer treatments. Glycyrrhetinic acid (GA) has been reported to be widely used as a targeting ligand to functionalize nanomaterials to treat hepatocellular carcinoma. In this article, GA is employed as a liver targeting ligand to construct GA, polyethylene glycol (PEG), polyamidoamine dendrimer (Dendrimer) and nano-graphene oxide (NGO) conjugate (GA-PEG-NGO-Dendrimer, GPND) for siRNA delivery for the first ...
Source: European Journal of Pharmaceutical Sciences - August 21, 2019 Category: Drugs & Pharmacology Authors: Qu Y, Sun F, He F, Yu C, Lv J, Zhang Q, Liang D, Yu C, Wang J, Zhang X, Xu A, Wu J Tags: Eur J Pharm Sci Source Type: research

Nucleolin aptamer conjugated MSNPs-PLR-PEG multifunctional nanoconstructs for targeted co-delivery of anticancer drug and siRNA to counter drug resistance in TNBC
This study demonstrates that the targeted co-delivery of drug and siRNA has a strong potential to overcome drug resistance in TNBC cells.PMID:36586658 | DOI:10.1016/j.ijbiomac.2022.12.266
Source: International Journal of Biological Macromolecules - December 31, 2022 Category: Biochemistry Authors: Pramod Kumar Rajesh Salve Kishore M Paknikar Virendra Gajbhiye Source Type: research

Design of a Novel PEGylated Liposomal Vector for Systemic Delivery of siRNA to Solid Tumors.
Abstract A small interfering RNA (siRNA) delivery system using dioleylphosphate-diethylenetriamine conjugate (DOP-DETA)-based liposomes (DL) was assessed for systemic delivery of siRNA to tumors. DL carrying siRNA capable of inducing efficient gene silencing with low doses of siRNA were modified with polyethylene glycol (PEG-DL/siRNA) for systemic injection of siRNA. The biodistribution of DL and siRNA in the PEG-DL/siRNA was studied by using radiolabeled DL and fluorescence-labeled siRNA, respectively. DL in the PEG-DL/siRNA showed a high retention in the plasma, accumulation in the tumor, and low accumulation in...
Source: Biological and Pharmaceutical Bulletin - June 4, 2019 Category: Drugs & Pharmacology Authors: Song F, Sakurai N, Okamoto A, Koide H, Oku N, Dewa T, Asai T Tags: Biol Pharm Bull Source Type: research

Effects of PEG anchors in PEGylated siRNA lipoplexes on in  vitro gene‑silencing effects and siRNA biodistribution in mice.
Effects of PEG anchors in PEGylated siRNA lipoplexes on in vitro gene‑silencing effects and siRNA biodistribution in mice. Mol Med Rep. 2020 Nov;22(5):4183-4196 Authors: Hattori Y, Tamaki K, Sakasai S, Ozaki KI, Onishi H Abstract Polyethylene glycol (PEG)‑modifications (PEGylations) of cationic liposome/small interfering RNA complexes (siRNA lipoplexes) can enhance their systemic stability. The present study determined the effects of PEG anchors in PEGylated siRNA lipoplexes on in vitro gene‑silencing effects and siRNA biodistribution after intravenous injection. Three types of dialkyl or trial...
Source: Molecular Medicine Reports - October 3, 2020 Category: Molecular Biology Tags: Mol Med Rep Source Type: research