Case Report: Longitudinal mass cytometry profiling of a patient with disseminated histoplasmosis and secondary hemophagocytic lymphohistiocytosis.

ABSTRACT: Disseminated histoplasmosis (DH) is a rare but serious systemic fungal infection that can trigger secondary hemophagocytic lymphohistiocytosis (HLH), a hyperinflammatory syndrome with high mortality. However, the immunopathogenesis of DH-associated HLH remains poorly defined due to the lack of high-resolution immune profiling data. The dynamics of immunological and metabolic analysis was performed in a 14-year-old female patient with DH-HLH using mass cytometry (CyTOF) and multiplex cytokine profiling. Peripheral blood mononuclear cells and plasma were collected at three timepoints: before antifungal treatment, and at 1, and 2 weeks post-treatment, respectively. Immune subsets, functional markers, and cytokine/chemokine levels were evaluated. Mass cytometry identified 13 distinct immune ce

SUBMITTER: Zhang J 

PROVIDER: S-EPMC12521218 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature