Facile One-Pot Preparation of Self-Assembled Hyaluronate/Doxorubicin Nanoaggregates for Cancer Therapy.

IF 3.4 3区 医学 Q1 ENGINEERING, MULTIDISCIPLINARY
Yong Geun Lim, Hyung Geun Park, Kyeongsoon Park
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引用次数: 0

Abstract

Hyaluronic acid (HA)-based delivery systems for doxorubicin (DOX) have been developed to selectively target cancer cells and enhance their therapeutic effects while reducing systemic side effects. However, conventional methods for preparing HA-based drug delivery systems are often limited by multistep synthetic processes, time-consuming purification, and the use of crosslinkers or surfactants, which can cause undesired toxicities. To resolve these issues, we developed a facile one-pot method to prepare self-assembled sodium hyaluronate/doxorubicin (HA/DOX) nanoaggregates by mixing HA and DOX. The self-assembled HA/DOX nanoaggregates were formed via cation-π interactions between the aromatic moiety of DOX and Na+ ions in HA as well as electrostatic interactions between HA and DOX. The optimized HA/DOX nanoaggregates with a [DOX]/[HA] molar ratio of 5 had an average particle size of approximately 250 nm and a sphere-like shape. In vitro studies revealed that HA/DOX nanoaggregates effectively targeted CD44-overexpressing cancer cells, selectively delivering DOX into the cell nuclei more efficiently than free DOX and resulting in enhanced cytotoxic effects. Annexin V and transferase dUTP nick-end labeling assays confirmed that HA/DOX nanoaggregates induced apoptosis via DNA fragmentation more effectively than free DOX.

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来源期刊
Biomimetics
Biomimetics Biochemistry, Genetics and Molecular Biology-Biotechnology
CiteScore
3.50
自引率
11.10%
发文量
189
审稿时长
11 weeks
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