IL-33 Expression Is Lower in Current Smokers at both Transcriptomic and Protein Levels.

Am J Respir Crit Care Med · 2023 · PMC10867944 · PMID 37708400

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Of interest, histological staining of KRT5, a basal cell marker in a previous study, showed a trend toward a decrease in absolute numbers of basal cells in current smokers versus never-smokers ( 26 ).

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