Polystyrene nanoplastics promotes inflammation and aging in young mice through the oral-gut microbiome axis
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By
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Ying Wang
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Chunli Dong
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Yi Xiao
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May 28, 2026
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Clinical Scorecard: Polystyrene Nanoplastics Induce Inflammation and Accelerate Aging in Young Mice via the Oral-Gut Microbiome Pathway
At a Glance
| Category | Detail |
|---|
| Condition | Inflammation and Aging due to Polystyrene Nanoplastics Exposure |
| Key Mechanisms | Disruption of oral-gut microbiota axis and activation of p38 MAPK pathway |
| Target Population | Young mice (8-week-old C57BL/6 mice) |
| Care Setting | Laboratory research |
Key Highlights
- PS-NPs exposure increases cellular senescence markers p21Cip1/Waf and p16Ink4a.
- Release of inflammatory cytokines IL-1β, IL-6, and TNF-α is promoted by PS-NPs via p38 MAPK pathway activation.
- Dysbiosis in oral and intestinal microbiota is observed following PS-NPs exposure.
Guideline-Based Recommendations
Diagnosis
- Assessment of inflammatory cytokines and cellular senescence markers.
Management
- Investigate preventive strategies against nanoplastic toxicity, including dietary interventions and microbiome modulation.
Monitoring & Follow-up
- Characterization of oral and gut microbiota changes, along with specific inflammatory markers.
Risks
- Potential for systemic inflammatory reactions and metabolic disorders.
Patient & Prescribing Data
Not applicable (animal study)
Focus on understanding the mechanisms of PS-NPs-induced inflammation and aging.
Clinical Best Practices
- Monitor for signs of inflammation and aging in young organisms exposed to environmental pollutants, focusing on specific biomarkers.
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