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- Title
CD38<sup>high</sup>/HLA-DR<sup>+</sup> CD8<sup>+</sup> T cells as potential biomarker of hemophagocytic lymphohistiocytosis secondary to visceral Leishmania infection.
- Authors
Mastrolia, Maria Vincenza; Boscia, Silvia; Galli, Luisa; Lodi, Lorenzo; Pisano, Laura; Maccora, Ilaria; Ricci, Silvia; Pagnini, Ilaria; Marrani, Edoardo; Azzari, Chiara; Simonini, Gabriele
- Abstract
Leishmaniasis is a cause of infection associated with hemophagocytic lymphohistiocytosis (HLH). The measurement of the CD8+ CD38high/HLA-DR+ T cells in children presenting with acute onset of shock and multisystem organ failure represents an important parameter to distinguish HLH from sepsis or healthy control. Conclusion: We report a case series of 4 Italian children suffering from HLH secondary to visceral Leishmaniasis in which the lymphocyte subset assay suggests a potential role of CD38high/HLA-DR+ CD8+ T cells as HLH diagnostic biomarkers. What is Known: • Visceral Leishmaniasis is a well-known cause of infection associated with hemophagocytic lymphohistiocytosis (HLH). • The measurement of the CD8+CD38high/HLA-DR+T cells in children presenting with acute onset of shock and multisystem organ failure represents an important diagnostically useful parameter to readily distinguish HLH from sepsis or healthy controls. What is New: • We report a case series of 4 Italian children suffering from HLH secondary to visceral Leishmaniasis in which the lymphocyte subset assay suggests a potential role of CD38high/HLA-DR+CD8+T cells as HLH diagnostic biomarker. • The flow cytometry assay, performed at the disease onset before starting treatment, revealed a mean percentage value of CD38 cells of 36.95% among CD8+T cells.
- Subjects
HEMOPHAGOCYTIC lymphohistiocytosis; T cells; LEISHMANIASIS; BIOMARKERS; SEPSIS
- Publication
European Journal of Pediatrics, 2023, Vol 182, Issue 3, p1429
- ISSN
0340-6199
- Publication type
Article
- DOI
10.1007/s00431-022-04789-x