Sirna Polymer Delivery

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In vitro and in vivo delivery of siRNA via VIPER polymer ...

    https://www.sciencedirect.com/science/article/pii/S0168365918300774
    The block copolymer VIPER (virus-inspired polymer for endosomal release) has been reported to be a promising novel delivery system of DNA plasmids both in vitro and in vivo.VIPER is comprised of a polycation segment for condensation of nucleic acids as well as a pH-sensitive segment that exposes the membrane lytic peptide melittin in acidic environments to facilitate endosomal escape.Author: Daniel P. Feldmann, Yilong Cheng, Rima Kandil, Yuran Xie, Mariam Mohammadi, Hartmann Harz, Akhil Sha...

Polymers in Small-Interfering RNA Delivery

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3198620/
    Polyethylenimine. Though PEI is known as the gold standard for plasmid DNA (pDNA) delivery its effectiveness in siRNA delivery is considered to be far less pronounced (Hassani et al., 2005; Grayson et al., 2006).The reduced efficacy of PEI in the later case arises due to the short length of siRNA.Author: Kaushik Singha, Ran Namgung, Won Jong Kim

Delivery systems for siRNA drug development in cancer therapy

    https://www.sciencedirect.com/science/article/pii/S1818087614000646
    The currently developed siRNA delivery systems for cancer therapy can be divided into four categories: chemical modifications, lipid-based nanovectors, polymer-mediated delivery systems, conjugate delivery systems, and others (exosomes, RNAi-microsponges, oligonucleotide nanoparticles).Author: Cong-fei Xu, Jun Wang

Polymers for siRNA Delivery: A Critical Assessment of ...

    https://pubs.acs.org/doi/10.1021/acsbiomaterials.6b00363
    The number of polymer-based vectors for siRNA delivery in clinical trials lags behind other delivery strategies; however, the molecular architectures and chemical compositions available to polymers make them attractive candidates for further exploration. Polymer vectors are extensively investigated in academic laboratories worldwide with fundamental progress having recently been made in the ...Author: Bailey M. Cooper, David Putnam

Delivery of siRNA Therapeutics: Barriers and Carriers

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2977003/
    Jun 11, 2010 · There have been several excellent recent reviews on siRNA delivery, with in-depth discussion usually on a specific system (e.g., siRNA conjugates, lipid-based siRNA delivery, polymer nanocarriers, and peptide transduction domains and cell-penetrating peptide) (4–7) or specialized delivery techniques (e.g., hydrodynamic intravascular injection ...Author: Jie Wang, Ze Lu, M. Guillaume Wientjes, Jessie L.-S. Au

Stimuli-Responsive Polymer–Prodrug Hybrid Nanoplatform for ...

    https://pubs.acs.org/doi/10.1021/acs.nanolett.9b01660
    Herein, a unique polymer–prodrug hybrid NP platform was developed for multistage siRNA delivery and combination cancer therapy. This NP system is composed of (i) a hydrophilic polyethylene glycol (PEG) shell, (ii) a hydrophobic NP core made with a tumor microenvironment (TME) pH-responsive polymer, and (iii) charge-mediated complexes of siRNA ...Author: Phei Er Saw, Herui Yao, Chunhao Lin, Wei Tao, Omid C Farokhzad, Xiaoding Xu

Delivery of Nucleic Acids Using Polymers Sigma-Aldrich

    https://www.sigmaaldrich.com/technical-documents/articles/material-matters/delivery-of-nucleic-acids-using-polymers.html
    Delivery of Nucleic Acids Using Polymers. By: Olivia Merkel, Material Matters ... another parameter that is crucially important in the development of polymeric siRNA delivery systems. 44 ... (ethyleneimine) (PEI) has been a prominent polymer used in the development of three areas in particular: non-viral transfection, targeted delivery, and ...

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