Issue 37, 2022

Thioether-based ROS responsive polymers for biomedical applications

Abstract

Reactive oxygen species (ROS) play a key role in several biological functions of living organisms such as regulation of cell signalling, production of some hormones, modulation of protein function or mediation of inflammation. In this regard, ROS responsive polymers are ideal candidates for the development of stimuli-responsive biomaterials for target therapies. Among different ROS-responsive polymers, those containing thioether groups are widely investigated in the biomedical field due to their hydrophobic to hydrophilic phase transition under oxidative conditions. This feature makes them able to self-assemble in aqueous solutions forming micellar-type nanoparticles or hydrogels to be mainly used as drug carriers for local therapies in damaged body areas characterized by high ROS production. This review article collects the main findings about the synthesis of thioether-based ROS responsive polymers and polypeptides, their self-assembly properties and ROS responsive behaviour for use as injectable nanoparticles or hydrogels. Afterward, the foremost applications of the thioether-based ROS responsive nanoparticles and hydrogels in the biomedical field, where cancer therapies are a key objective, will be discussed.

Graphical abstract: Thioether-based ROS responsive polymers for biomedical applications

Article information

Article type
Review Article
Submitted
21 mrt 2022
Accepted
29 apr 2022
First published
29 apr 2022

J. Mater. Chem. B, 2022,10, 7206-7221

Thioether-based ROS responsive polymers for biomedical applications

M. Criado-Gonzalez and D. Mecerreyes, J. Mater. Chem. B, 2022, 10, 7206 DOI: 10.1039/D2TB00615D

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