Distinct immune cell profiles associated with high‐altitude hypoxia and severe acute mountain sickness

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Longitudinal study examines immune dynamics in high-altitude hypoxia, revealing immune cell alterations tied to acute mountain sickness severity.

High-altitude exposure triggers systemic immune system perturbations in unacclimatized individuals.
Acute mountain sickness severity correlates with changes in immune cell profiles, particularly eosinophils.
Study utilized multi-parametric flow cytometry to assess immune status at varying altitude phases.
Identifying immune biomarkers offers potential for predicting and diagnosing severe cases of acute mountain sickness.

Han et al. (2025) studied this question.

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Longitudinal study examines immune dynamics in high-altitude hypoxia, revealing immune cell alterations tied to acute mountain sickness severity.