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Dendritic cells in childhood sepsis

Khalid I Elsayh1, Asmaa M Zahran, Ismail Lotfy Mohamad

  • 1Pediatric Department, Faculty of Medicine, Assiut University, Assiut, Egypt.

Journal of Critical Care
|June 22, 2013
PubMed

Insights

Pediatric sepsis reduces dendritic cell (DC) levels and maturation. Lower DC numbers and maturation correlate with poorer sepsis prognosis, suggesting DCs as potential biomarkers.

Area of Science:

  • Immunology
  • Pediatric critical care

Background:

  • Sepsis is a life-threatening organ dysfunction caused by a dysregulated host response to infection.
  • Dendritic cells (DCs) are crucial immune regulators, orchestrating adaptive immunity.

Purpose of the Study:

  • To investigate dendritic cell (DC) levels and maturation in pediatric sepsis patients.
  • To determine the relationship between DC status and sepsis prognosis.

Main Methods:

  • Flow cytometry was used to analyze DC subsets (plasmoid and monocytoid) and maturation markers (CD86, CD83).
  • Evaluations were performed within 24 hours of ICU admission and at 28 days.
  • Included 16 children with sepsis, 24 with complicated sepsis, and 40 healthy controls.

Main Results:

  • Pediatric sepsis patients showed significantly lower DC levels and reduced CD86/CD83 expression compared to controls.
  • Complicated sepsis cases exhibited more pronounced decreases in DC numbers and maturation markers.
  • Higher baseline DC numbers and CD86/CD83 expression were observed in sepsis survivors.

Conclusions:

  • Sepsis is associated with a diminished number and impaired maturation of dendritic cells.
  • DC levels and maturation status may serve as valuable prognostic indicators for pediatric sepsis.
Abstract

Keywords:
CD83CD86Dendritic cellsFlow cytometrySepsis

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