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Nanozyme-enabled nanodecoys: A new strategy for fighting urinary tract infections

Date: 18.3.2024 

Urinary tract infections (UTIs), affecting millions worldwide, are predominantly caused by uropathogenic Escherichia coli (UPEC). These infections are characterized by bacterial adhesion and colonization in the urinary tract, evading host immune responses.

Kredit: Zhang et al. (2024), ACS Nano.Researchers from Nanjing University have recently reported a new approach to combating UTIs through the development of bioinspired nanozymes acting as nanodecoys.

The nanozymes, designed to mimic the function of uromodulin (UMOD), a natural defense mechanism against bacterial invasion, offer a promising solution. By incorporating dextran onto ceria nanoparticles, the nanozymes simulate UMOD's glycans, effectively obstructing the adhesion of UPECs.

The bioinspired nanozymes exhibit multifaceted functionalities, including anti-inflammatory and anti-adhesive properties, which position them as potential game-changers in UTI treatment. Through their unique design, the nanozymes can scavenge reactive nitrogen and oxygen species (RNOS) generated during infection-induced inflammation.

Additionally, they prevent bacterial adhesion to host cells and abiotic surfaces, reducing bacterial colonization. The nanozymes' ability to alleviate inflammation and mitigate tissue damage offers a comprehensive approach to UTI management.

Image source: Zhang et al. (2024), ACS Nano.





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