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Inflammatory Microenvironment Reshapes the Protein Corona of Polystyrene Nanoplastics to Exacerbate Periodontitis Progression (Adv. Healthcare Mater. 22/2026)
Summary
Tiny plastic particles (nanoplastics) that end up in your mouth don't act the same way in healthy gums as they do in gums already inflamed by gum disease — when inflammation is present, these particles pick up a different coating of proteins that makes them more likely to trigger immune cells and worsen tissue damage. This "vicious cycle" effect suggests that people with existing gum disease may be more vulnerable to harm from environmental nanoplastic exposure, highlighting a new health risk worth watching as plastic pollution continues to build up in our bodies.
Toxic Effects The cover is inspired by the Chinese idiom “adding fuel to the fire,” illustrating how nanoplastics in inflammatory microenvironment exacerbate periodontitis. The black little devils represent nanoplastics, with red cloaks indicating disease-specific protein coronas and blue cloaks indicating normal protein coronas. The flames symbolize the severity of periodontitis, while the colored bubbles represent M1 macrophages, reactive oxygen species, and pro-inflammatory factors. Further details can be found in the Research Article by Weijian Song, Meilin Wang, and co-workers (DOI: 10.1002/adhm.71098).