Abstract:Tobacco smoking doubles the risk of active tuberculosis (TB) and accounts for up to 20% of all active TB cases globally. How smoking promotes lung microenvironments permissive toMycobacterium tuberculosis(Mtb) growth remains incompletely understood. We investigated primary bronchoalveolar lavage cells from current- and never-smokers by performing single-cell RNA-sequencing (scRNA-seq), flow cytometry, and functional assays. We observed enrichment of immature inflammatory monocytes in the lungs of smokers compa… Show more
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