Authors
Yupei Liu, Haobin Wang, Jianzhu He, Ludan Deng, Xiao Zhou
Published in
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica. Volume 134. Issue 8. Pages e70241.
Abstract
Severe pneumonia in children deteriorates rapidly and is very destructive. miR-27a-5p has been shown to function in multiple cancers and inflammatory conditions, but its role in severe pneumonia is unknown. To investigate the diagnostic and prognostic value of miR-27a-5p for severe pneumonia in children. This study included 146 children with severe pneumonia as subjects and 123 children with mild pneumonia as controls. Reverse transcription quantitative polymerase chain reaction (RT-qPCR) was employed to assay miR-27a-5p and FOXO1 levels. ROC and Kaplan-Meier curves were employed to assess the diagnostic and prognostic values. Cell viability and apoptosis were determined by cell counting kit-8 (CCK-8) and flow cytometry. The concentrations of tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and IL-1β were measured using enzyme-linked immunosorbent assay. Luciferase reporter assay for miR-27a-5p targeting FOXO1. miR-27a-5p level was higher in severe pneumonia. miR-27a-5p has a good diagnostic and prognostic value for severe pneumonia. miR-27a-5p down-regulation promotes cell viability and inhibits apoptosis and inflammatory factor production. FOXO1 is a target of miR-27a-5p. And FOXO1 may reverse the effects of miR-27a-5p on the biological function of HFL1 cell. In conclusion, miR-27a-5p may be a potential pneumonia marker by negatively regulating FOXO1 to worsen pneumonia.
PMID:
42576769
Bibliographic data and abstract were imported from PubMed on 11 Aug 2026.
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