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  • Title: Preparation of novel butyryl galactose ester-modified coix component microemulsions and evaluation on hepatoma-targeting in vitro and in vivo.
    Author: Liu MJ, Qu D, Chen Y, Liu CY, Liu YP, Ding XF.
    Journal: Drug Deliv; 2016 Nov; 23(9):3444-3451. PubMed ID: 27198659.
    Abstract:
    The butyryl galactose ester-modified coix component microemulsions (But-Gal-CMEs) was developed for enhanced liver tumor-specific targeting. The study was aimed to evaluate the hepatoma-targeting potential of But-Gal-CMEs in vitro and in vivo. But-Gal-CMEs with a uniform spherical shape exhibited a small particle size (56.68 ± 0.07 nm), a narrow polydispersity (PDI, 0.144 ± 0.005) and slightly negative surface charge (-0.102 ± 0.008 mV). In the cell uptake studies, But-Gal-CMEs showed a significant enhancement on the intracellular fluorescent intensity on HepG2 cells model, which was 1.93-fold higher relative to coix component microemulsions (CMEs). The IC50 of But-Gal-CMEs against HepG2 cells was 64.250 μg/mL, which was notably stronger than that of CMEs. In the cell apoptosis studies, compared with CMEs, But-Gal-CMEs (50 μg/mL) treatment resulted in a 1.34-fold rise in total apoptosis cells of HepG2. In the biodistribution studies in vivo, the intratumorous fluorescence of Cy5-loaded But-Gal-CMEs was 1.43-fold higher relative to that of Cy5-loaded CMEs, suggesting an obviously enhanced accumulation in the tumor sites. Taken as together, But-Gal could be incorporated into the coix component microemulsions as a novel ligand for realizing hepatoma-targeting drugs delivery.
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