Table 5

Biomarkers of interest

Plasma biomarkerImportance in ALI/ARDS development
Surfactant protein-D (SP-D)11–13Reflect injury and↑permeability of alveolar epithelium
Receptor for advanced glycation end products (RAGE)14–16Reflects endothelial activation and injury
Intercellular adhesion molecule-1 (ICAM-1)17–20Reflects endothelial activation and injury
Interleukin-6 (IL-6)13 21–23Inflammation
IL-813 16 20–23Inflammation
Plasminogen activator inhibitor-1 (PAI-1)13 20 24–28Activation of coagulation and inhibition of fibrinolysis
Von Willebrand factor (VWF)26 29 30Reflects endothelial activation and injury
Protein C (PROTC)13 20 24 28 31Activation of coagulation and inhibition of fibrinolysis
Tumour necrosis factor receptor (TNFR)13 32 33Inflammation
  • ARDS, acute respiratory distress syndrome.