期刊
ADVANCED HEALTHCARE MATERIALS
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1002/adhm.202302551
关键词
anti-inflammatory; dual-functional injectable hydrogel; lubrication; osteoarthritis; scavenging ROS
This study reports a dual-functional injectable hydrogel for treating osteoarthritis, which can scavenge reactive oxygen species (ROS) to inhibit inflammation and provide lubrication to reduce joint wear and tear. The hydrogel possesses a unique structure that allows it to be injected, self-heal, and provide lubrication, offering a new approach for osteoarthritis treatments.
Osteoarthritis (OA) is a prevalent, chronic degenerative disease that affects people worldwide. It is characterized by the destruction of cartilage and inflammatory reactions. High levels of reactive oxygen species (ROS) cause oxidative stress, which damages lipids, proteins, and DNA, leading to cell damage and death. Furthermore, ROS also induces the production of inflammatory cytokines and cell chemotaxis, further worsening the inflammatory response and damaging cartilage resulted in limited movement. Herein, this work reports a dual-functional injectable hydrogel, which can help inhibit inflammation by scavenging ROS and provide lubrication to reduce wear and tear on the joints. To create the hydrogel, 3-aminophenylboronic acid modified hyaluronic acid is synthesized, then which is crosslinked with hydroxyl-containing polyvinyl alcohol (PVA) to construct a dual dynamic covalent crosslinked hydrogel oHA-PBA-PVA gel, Gel (HPP). The hydrogel mentioned here possesses a unique bond structure that allows it to be injected, self-heal, and provide lubrication. This innovative approach offers a new possibility for treating osteoarthritis by combining anti-inflammatory and lubrication effects. A dual-functional injectable hydrogel, which can scavenge reactive oxygen species (ROS) and provide lubrication for Osteoarthritis (OA) treatments. 3-aminophenylboronic acid modified hyaluronic acid is synthesized, and then is crosslinked with polyvinyl alcohol (PVA) to construct a dual dynamic covalent crosslinked hydrogel oHA-PBA-PVA gel, Gel (HPP). The hydrogel mentioned here possesses a unique structure that allows it injectable, self-heal, and provide lubrication.image
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