Effect of a controlled-release drug delivery system made of oleanolic acid formulated into multivesicular liposomes on hepatocellular carcinoma in vitro and in vivo
Yuling Luo, Zhongbing Liu, Xiaoqin Zhang, Juan Huang, Xin Yu, Jinwei Li, Dan Xiong, Xiaoduan Sun, Zhirong Zhong Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan,People’s Republic of ChinaAbstract: The aim of the present study was to d...
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Dove Medical Press
2016
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oai:doaj.org-article:1cc0f7fdec6d4025a1d10994eb02102c2021-12-02T02:34:08ZEffect of a controlled-release drug delivery system made of oleanolic acid formulated into multivesicular liposomes on hepatocellular carcinoma in vitro and in vivo1178-2013https://doaj.org/article/1cc0f7fdec6d4025a1d10994eb02102c2016-07-01T00:00:00Zhttps://www.dovepress.com/effect-of-a-controlled-release-drug-delivery-system-made-of-oleanolic--peer-reviewed-article-IJNhttps://doaj.org/toc/1178-2013Yuling Luo, Zhongbing Liu, Xiaoqin Zhang, Juan Huang, Xin Yu, Jinwei Li, Dan Xiong, Xiaoduan Sun, Zhirong Zhong Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan,People’s Republic of ChinaAbstract: The aim of the present study was to develop a novel dosage form of multivesicular liposomes for oleanolic acid (OA) to overcome its poor solubility, prolong therapeutic drug levels in the blood, and enhance the antitumor effect on hepatocellular carcinoma. OA-encapsulated multivesicular liposomes (OA-MVLs) were prepared by a double-emulsion method, and the formulation was optimized by the central composite design. The morphology, particle size, and drug-loading efficiency of OA-MVLs were investigated. Furthermore, OA-MVLs were also characterized both in vitro and in vivo. The results showed that OA-MVLs were spherical particles with an average particle size of 11.57 µm and an encapsulation efficiency of 82.3%±0.61%. OA-MVLs exhibited a sustained-release pattern in vitro, which was fitted to Ritger–Peppas equation. OA-MVLs inhibited the growth of human HepG2 cells which was confirmed by the MTT assay and fluorescence microscopy detection. The in vivo release of OA from OA-MVLs exhibited a sustained manner, indicating a longer circulation time compared to OA solution. The in vivo toxicity study indicated that medium-dose OA-MVLs exerted no toxic effect on the hosts. Importantly, OA-MVLs suppressed the growth of murine H22 hepatoma and prolonged the survival of tumor-bearing mice. In conclusion, the poorly soluble OA could be encapsulated into MVLs to form a novel controlled-release drug delivery system. The present study may hold promise for OA-MVLs as a new dosage form for sustained-release drug delivery in cancer therapy.Keywords: oleanolic acid, multivesicular liposomes, murine hepatocellular carcinoma, controlled release, cancer therapyLuo YLLiu ZBZhang XQHuang JYu XLi JXiong DSun XDZhong ZRDove Medical PressarticleOleanolic acidMultivesicular liposomesMurine hepatocellular carcinomaControlled releaseCancer therapy.Medicine (General)R5-920ENInternational Journal of Nanomedicine, Vol 2016, Iss default, Pp 3111-3129 (2016) |
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Oleanolic acid Multivesicular liposomes Murine hepatocellular carcinoma Controlled release Cancer therapy. Medicine (General) R5-920 |
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Oleanolic acid Multivesicular liposomes Murine hepatocellular carcinoma Controlled release Cancer therapy. Medicine (General) R5-920 Luo YL Liu ZB Zhang XQ Huang J Yu X Li J Xiong D Sun XD Zhong ZR Effect of a controlled-release drug delivery system made of oleanolic acid formulated into multivesicular liposomes on hepatocellular carcinoma in vitro and in vivo |
| description |
Yuling Luo, Zhongbing Liu, Xiaoqin Zhang, Juan Huang, Xin Yu, Jinwei Li, Dan Xiong, Xiaoduan Sun, Zhirong Zhong Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan,People’s Republic of ChinaAbstract: The aim of the present study was to develop a novel dosage form of multivesicular liposomes for oleanolic acid (OA) to overcome its poor solubility, prolong therapeutic drug levels in the blood, and enhance the antitumor effect on hepatocellular carcinoma. OA-encapsulated multivesicular liposomes (OA-MVLs) were prepared by a double-emulsion method, and the formulation was optimized by the central composite design. The morphology, particle size, and drug-loading efficiency of OA-MVLs were investigated. Furthermore, OA-MVLs were also characterized both in vitro and in vivo. The results showed that OA-MVLs were spherical particles with an average particle size of 11.57 µm and an encapsulation efficiency of 82.3%±0.61%. OA-MVLs exhibited a sustained-release pattern in vitro, which was fitted to Ritger–Peppas equation. OA-MVLs inhibited the growth of human HepG2 cells which was confirmed by the MTT assay and fluorescence microscopy detection. The in vivo release of OA from OA-MVLs exhibited a sustained manner, indicating a longer circulation time compared to OA solution. The in vivo toxicity study indicated that medium-dose OA-MVLs exerted no toxic effect on the hosts. Importantly, OA-MVLs suppressed the growth of murine H22 hepatoma and prolonged the survival of tumor-bearing mice. In conclusion, the poorly soluble OA could be encapsulated into MVLs to form a novel controlled-release drug delivery system. The present study may hold promise for OA-MVLs as a new dosage form for sustained-release drug delivery in cancer therapy.Keywords: oleanolic acid, multivesicular liposomes, murine hepatocellular carcinoma, controlled release, cancer therapy |
| format |
article |
| author |
Luo YL Liu ZB Zhang XQ Huang J Yu X Li J Xiong D Sun XD Zhong ZR |
| author_facet |
Luo YL Liu ZB Zhang XQ Huang J Yu X Li J Xiong D Sun XD Zhong ZR |
| author_sort |
Luo YL |
| title |
Effect of a controlled-release drug delivery system made of oleanolic acid formulated into multivesicular liposomes on hepatocellular carcinoma in vitro and in vivo |
| title_short |
Effect of a controlled-release drug delivery system made of oleanolic acid formulated into multivesicular liposomes on hepatocellular carcinoma in vitro and in vivo |
| title_full |
Effect of a controlled-release drug delivery system made of oleanolic acid formulated into multivesicular liposomes on hepatocellular carcinoma in vitro and in vivo |
| title_fullStr |
Effect of a controlled-release drug delivery system made of oleanolic acid formulated into multivesicular liposomes on hepatocellular carcinoma in vitro and in vivo |
| title_full_unstemmed |
Effect of a controlled-release drug delivery system made of oleanolic acid formulated into multivesicular liposomes on hepatocellular carcinoma in vitro and in vivo |
| title_sort |
effect of a controlled-release drug delivery system made of oleanolic acid formulated into multivesicular liposomes on hepatocellular carcinoma in vitro and in vivo |
| publisher |
Dove Medical Press |
| publishDate |
2016 |
| url |
https://doaj.org/article/1cc0f7fdec6d4025a1d10994eb02102c |
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