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  • Title: Discriminated effects of thiolated chitosan-coated pMMA paclitaxel-loaded nanoparticles on different normal and cancer cell lines.
    Author: Akhlaghi SP, Saremi S, Ostad SN, Dinarvand R, Atyabi F.
    Journal: Nanomedicine; 2010 Oct; 6(5):689-97. PubMed ID: 20172052.
    Abstract:
    UNLABELLED: The aim of the present work was to prepare and characterize poly(methyl methacrylate) nanoparticles coated by chitosan-glutathione conjugate so as to encapsulate insoluble anticancer drugs. Nanoparticles were synthesized through radical polymerization of methyl methacrylate initiated by cerium (IV) ammonium nitrate. Paclitaxel (PTX), a model anticancer drug, was encapsulated in nanoparticles with a maximal encapsulation efficiency of 98.27%. These nanoparticles showed sustained in vitro release of the incorporated PTX (75% of the loaded dose was released in 10 days). All nanoparticles had positive charge and were spherical, with a size range of about 130-250 nm. The PTX-loaded nanoparticles showed cytotoxicity for NIH 3T3 and T47D breast carcinoma cells, along with no cytotoxicity for two colon cell lines (HT29, Caco2). FROM THE CLINICAL EDITOR: The aim of this work was to prepare and characterize poly(methyl methacrylate) nanoparticles coated by chitosan-glutathione conjugate in an effort to encapsulate Paclitaxel as a model of insoluble anticancer drugs. These nanoparticles showed sustained in vitro drug release.
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