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Liver-targeted delivery of liposome-encapsulated curcumol using galactosylated-stearate.

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机构: [1]Department of Hematology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001 [2]Laboratory Animal Center, Guangdong Medical University, Zhanjiang, Guangdong 524023 [3]School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006 [4]Chemistry Teaching and Research Section, The Key Laboratory of Zhanjiang for R&D Marine Microbial Resources in The Beibu Gulf Rim, Guangdong Medical University, Zhanjiang, Guangdong 524023, P.R. China
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关键词: liver targeting reagents curcumol galactosylated‑liposomes anti‑liver cancer galactosylated‑stearate

摘要:
Liver-targeted drug delivery improves the efficacy of anti-liver cancer agents and reduces systemic toxicity by limiting the bioavailability of these drugs to within tumors. Liver targeting reagents with galactose residues, which selectively combine to asialoglyco protein receptors, have previously been used to improve liposome-encapsulated drug accumulation within liver cells. They lead to a reduction in liver cancer cell growth and have been used to cure certain hepatic diseases. In the present study, curcumol, which is the primary active component of Chinese traditional medicine Rhizoma zedoariae, was encapsulated in galactosylated-liposomes to enhance its anti-liver cancer efficacy. Galactosylated-liposomes and normal liposomes were labeled with propidium iodide. Galactosylated-liposomes with increasing concentrations of galactosylated-stearate (Gal-s) had a notably increased level of uptake in HepG2 cells (hepatoblastoma) compared with SGC-7901 (gastric cancer) and A549 (non-small cell lung cancer) cells. When the percentage of Gal-s reached 20%, liposome uptake plateaued. In the in vitro anti-liver cancer experiment, the anti-liver cancer efficacy of galactosylated-curcumol-liposomes increased significantly more compared with normal curcumol liposomes and free curcumol as indicated by cell survival rate and lactate dehydrogenase release rate. Collectively, these results demonstrate that galactosylated-liposomes are able to enhance the in vitro liver-targeting effect and anti-liver cancer efficacy of curcumol.

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出版当年[2017]版:
大类 | 4 区 医学
小类 | 4 区 医学:研究与实验
最新[2025]版:
大类 | 4 区 医学
小类 | 4 区 医学:研究与实验
第一作者:
第一作者机构: [1]Department of Hematology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001
通讯作者:
通讯机构: [3]School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006 [4]Chemistry Teaching and Research Section, The Key Laboratory of Zhanjiang for R&D Marine Microbial Resources in The Beibu Gulf Rim, Guangdong Medical University, Zhanjiang, Guangdong 524023, P.R. China [*1]School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, 232 Outer Ring East Road, Guangzhou, Guangdong 510006, P.R. China [*2]Chemistry Teaching and Research Section, The Key Laboratory of Zhanjiang for R&D Marine Microbial Resources in The Beibu Gulf Rim, Guangdong Medical University, 2 Wenming East Road, Zhanjiang, Guangdong 524023, P.R. China
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