Prognostic Significance of Eosinophil Extracellular Traps in Chronic Rhinosinusitis and Innovative Nanosheets-Based Clearance Therapy
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View abstract on PubMed
Summary
This summary is machine-generated.Eosinophilic chronic rhinosinusitis with nasal polyps (ECRSwNP) severity can be assessed by eosinophil extracellular traps (EETs). Novel nanosheets, TLPG<sub>A</sub>, effectively clear EETs and may treat ECRSwNP.
Area Of Science
- Immunology
- Otorhinolaryngology
- Nanomedicine
Background
- Chronic rhinosinusitis with nasal polyps (CRSwNP) classification lacks consensus on eosinophil (EOS) infiltration criteria.
- Eosinophilic CRSwNP (ECRSwNP) is distinguished by eosinophil infiltration, but precise diagnostic thresholds are undefined.
Purpose Of The Study
- To investigate the correlation between eosinophil extracellular traps (EETs) and ECRSwNP severity.
- To evaluate the predictive value of preoperative EETs for postoperative outcomes.
- To develop and test a novel nanosheet therapy (TLPG<sub>A</sub>) for EETs clearance in ECRSwNP.
Main Methods
- Collected inferior turbinate and nasal polyp tissues from controls and ECRSwNP patients.
- Correlated clinical assessments, eosinophil indicators (polyp/blood EOS counts, EETs area), and Th2 cytokines with ECRSwNP severity.
- Synthesized and tested functional nanosheets (TLPG<sub>A</sub>) for EETs scavenging in vitro and in vivo models.
Main Results
- EETs area positively correlated with ECRSwNP severity markers (Lund-Mackay, Lund-Kennedy scores) and Th2 cytokines (IL-4, IL-5, IL-13).
- Increased preoperative EETs area predicted impaired mucosal recovery and higher risk of uncontrolled nasal polyps post-FESS (Functional Endoscopic Sinus Surgery).
- Novel nanosheets TLPG<sub>A</sub> demonstrated effective EETs scavenging and alleviation of type 2 inflammation in ECRSwNP models.
Conclusions
- Eosinophil extracellular traps (EETs) and morphology are valuable for assessing ECRSwNP severity and predicting postoperative prognosis.
- TLPG<sub>A</sub> nanosheets show promise as a therapeutic strategy for managing ECRSwNP, particularly in cases with high EETs levels.
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