Our findings demonstrate a critical role for oxidative stress in EC-UFP-induced augmentation of allergen-induced lung inflammation, where EC-UFP exposure has potentiating effects in lung allergic inflammation. Our data support the concept that allergic individuals are more susceptible to the adverse health effects of EC-UFPs.
Inhaled glutathione in the dose administered did not demonstrate clinically relevant improvements in lung function, pulmonary exacerbation frequency, or patient-reported outcomes. Glutathione delivery to the airways was not associated with changes in markers of oxidation, proteolysis, or inflammation. Clinical trial registered with www.clinicaltrials.gov (NCT00506688) and https://eudract.ema.europa.eu/index.html (EudraCT 2005-003870-88).
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