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Reactive oxygen species (ROS) scavenging biomaterials for anti-inflammatory diseases: from mechanism to therapy

期刊

JOURNAL OF HEMATOLOGY & ONCOLOGY
卷 16, 期 1, 页码 -

出版社

BMC
DOI: 10.1186/s13045-023-01512-7

关键词

Reactive oxygen species; Biomaterials; Signaling pathways; Inflammatory disease; Anti-inflammation

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Inflammation is a defensive response to harmful stimuli, but excessive inflammation is associated with various diseases. Reactive oxygen species (ROS) play a critical role as signaling molecules in modulating physiological functions, but high levels of ROS can cause toxic effects and worsen inflammation, leading to inflammatory diseases. Therefore, developing biomaterials that scavenge ROS is important for restoring ROS balance, limiting inflammation, and protecting the host.
Inflammation is a fundamental defensive response to harmful stimuli, but the overactivation of inflammatory responses is associated with most human diseases. Reactive oxygen species (ROS) are a class of chemicals that are generated after the incomplete reduction of molecular oxygen. At moderate levels, ROS function as critical signaling molecules in the modulation of various physiological functions, including inflammatory responses. However, at excessive levels, ROS exert toxic effects and directly oxidize biological macromolecules, such as proteins, nucleic acids and lipids, further exacerbating the development of inflammatory responses and causing various inflammatory diseases. Therefore, designing and manufacturing biomaterials that scavenge ROS has emerged an important approach for restoring ROS homeostasis, limiting inflammatory responses and protecting the host against damage. This review systematically outlines the dynamic balance of ROS production and clearance under physiological conditions. We focus on the mechanisms by which ROS regulate cell signaling proteins and how these cell signaling proteins further affect inflammation. Furthermore, we discuss the use of potential and currently available-biomaterials that scavenge ROS, including agents that were engineered to reduce ROS levels by blocking ROS generation, directly chemically reacting with ROS, or catalytically accelerating ROS clearance, in the treatment of inflammatory diseases. Finally, we evaluate the challenges and prospects for the controlled production and material design of ROS scavenging biomaterials.

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