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Synthesis and Evaluation of Stearylated Hyaluronic Acid for the Active Delivery of Liposomes to Liver Endothelial Cells

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Title: Synthesis and Evaluation of Stearylated Hyaluronic Acid for the Active Delivery of Liposomes to Liver Endothelial Cells
Authors: Toriyabe, Naoyuki Browse this author
Hayashi, Yasuhiro Browse this author
Hyodo, Mamoru Browse this author
Harashima, Hideyoshi Browse this author
Keywords: hyaluronic acid
liver endothelial cell
active targeting
liposome
Issue Date: Jul-2011
Publisher: Pharmaceutical Society of Japan
Journal Title: Biological & Pharmaceutical Bulletin
Volume: 34
Issue: 7
Start Page: 1084
End Page: 1089
Publisher DOI: 10.1248/bpb.34.1084
Abstract: Hyaluronic acid (HA) is a naturally-occurring ligand that can be useful for targeting liver endothelial cells. We describe herein the development of a new HA-lipid conjugate for the efficient delivery of liposomes to liver endothelial cells. When free HA coated cationic liposomes were injected into mice, their accumulation in the liver was significantly decreased depending on the content of free HA, while accumulation in the lung was not significantly changed. When cationic liposomes modified with HA-stearylamine (HA-SA conjugate) were injected in mice, liver accumulation was increased depending on the amount of HA-SA conjugate and accumulation in the lung was drastically reduced, compared to non-modified liposomes. Confocal imaging analyses showed that HA-SA modified liposomes were accumulated to a greater extent along with blood vessels than non-modified liposomes, suggesitng that HA-SA modified liposomes are distributed in endothelial cells in the liver. Collectively, these findings indicate that an HA-SA conjugate is a useful material that can be used to modify liposomes and for delivering bioactive liposomal cargoes to liver endothelial cells.
Type: article
URI: http://hdl.handle.net/2115/46829
Appears in Collections:薬学研究院 (Faculty of Pharmaceutical Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 林 泰弘

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