The gut-lung axis: Protozoa join the party.

Harris, Nicola L; Marsland, Benjamin J · Cell · 2025

editorial · Level V

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Abstract

The gut microbiota is a powerful influencer of systemic immunity, with its impact on distal organs like the lungs garnering increasing attention. In this issue of Cell, Burrows et al. report that a gut protozoan plays a key role in shaping the immunological steady state of the lung.

Medical subject headings