High-Dimensional Immunophenotyping Identifies Circulating Immune Signatures Associated with FeNO-Defined Asthma Phenotypes
Background: Asthma is a heterogeneous inflammatory airway disease traditionally classified into T2 high (eosinophilic) and T2 low inflammatory phenotypes. Fractional exhaled nitric oxide (FeNO) is commonly used as a biomarker of T2 inflammation, although nitric oxide also regulates monocyte maturation and T cell polarization. We hypothesized that FeNO identifies distinct systemic immune…
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