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  • Title: Design and Synthesis of Galactose-Biotin Lipid Materials for Liposomes to Promote the Hepatoma Cell-Targeting Effect.
    Author: Ding R, Li Z, Wang J, Zhu X, Zhao Z, Wang M.
    Journal: J Pharm Sci; 2019 Sep; 108(9):3074-3081. PubMed ID: 30981753.
    Abstract:
    A series of novel low-toxic hepatoma cell-targeting lipid materials were designed and synthesized, in which monogalactose, digalactose, and galactose-biotin were used as targeting moieties and hydrophilic heads while stearate was used as hydrophobic tail (Mono-Gal-ST, Di-Gal-ST, and Gal-Biotin-ST). The corresponding galactose-biotin-modified liposomes (Mono-Gal-LPs, Di-Gal-LPs, and Gal-Biotin-LPs) and conventional liposomes (LPs) were prepared. These galactose-biotin-modified liposomes can distinguish hepatoma cells from other tissue cells owing to the recognition of asialoglycoprotein receptor by galactose group. Moreover, the ability of liposomes to distinguish hepatoma cells from normal hepatocytes follows a trend of LPs < Mono-Gal-LPs < Di-Gal-LPs < Gal-Biotin-LPs, which is attributed to the cluster glycoside effect and the synergistic effect of galactose and biotin. In addition, the endocytosis of these galactose-biotin-modified liposomes were competitively inhibited by galactose, further confirming these liposomes entered hepatoma cells via asialoglycoprotein receptor-mediated pathway.
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