ArticlebioRxiv : the preprint server for biology2026
Single-Cell RNA Sequencing Reveals Commensal Microbes Amplify Sex-Specific Immune Programming in the Murine Lung.
Article in bioRxiv : the preprint server for biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
Sex-based differences in respiratory disease outcomes are well recognized. However, the underlying immunological mechanisms driving this dimorphism remain incompletely understood. While sex hormones influence immune cell development and function, the role of commensal microbes in shaping sex-specific lung immunity has not been explored. Here, we used single-cell RNA sequencing (scRNAseq) and flow cytometry to profile lung immune cells in male and female mice housed under specific pathogen-free (SPF) or germ-free (GF) conditions. Under SPF conditions, males exhibited a striking myeloid bias, with increased monocytes and macrophages, along with broad upregulation of inflammatory mediators, including
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