Thioether-based ROS responsive polymers for biomedical applications.

Area of Science:

• Biomaterials Science
• Polymer Chemistry
• Nanotechnology

Background:

• Reactive oxygen species (ROS) are crucial in biological processes, including cell signaling and inflammation.
• ROS-responsive polymers offer potential for advanced, stimuli-responsive biomaterials in targeted therapies.
• Thioether-containing polymers exhibit a notable hydrophobic-to-hydrophilic transition under oxidative stress.

Purpose of the Study:

• To review the synthesis and self-assembly properties of thioether-based ROS-responsive polymers and polypeptides.
• To explore the ROS-responsive behavior of these materials for drug delivery applications.
• To discuss the biomedical applications, with a focus on cancer therapy, of thioether-based ROS-responsive nanoparticles and hydrogels.

Main Methods:

• Literature review of synthesis strategies for thioether-based ROS-responsive polymers.
• Analysis of self-assembly characteristics into nanoparticles and hydrogels.
• Evaluation of ROS-responsive mechanisms and biomedical application data.

Main Results:

• Thioether polymers demonstrate tunable self-assembly into micelles or hydrogels in response to ROS.
• These materials facilitate localized drug delivery in ROS-rich environments.
• Successful applications demonstrated in preclinical models, particularly for cancer treatment.

Conclusions:

• Thioether-based ROS-responsive polymers are versatile platforms for drug delivery systems.
• Their ability to form injectable nanoparticles and hydrogels is advantageous for localized therapies.
• These materials hold significant promise for advancing targeted cancer treatments and other ROS-mediated disease therapies.