Journal
THROMBOSIS AND HAEMOSTASIS
Volume 94, Issue 5, Pages 975-979Publisher
SCHATTAUER GMBH-VERLAG MEDIZIN NATURWISSENSCHAFTEN
DOI: 10.1160/TH05-05-0316
Keywords
HMGB-I; DIC; organ failure
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High Mobility Group Box chromosomal protein I (HMGB I) is a nuclear DNA-binding protein acting as a proinflammatory cytokine when released in the extracellular space from necrotic cells,activated macrophages and dendritic cells. HMGB I acts on a specific receptor, RAGE (receptor for advanced glycation end-products), and induces prolonged inflammation, organ failure, septicaemia and death. The aim of the study was to determine the diagnostic value of plasma HMGBI concentration and its role in the development of organ failure in patients with disseminated intravascular coagulation (DIC). Plasma HMGB-I levels were measured in patients with suspected DIC and their relationships with DIC, organ failure and clinical outcome were determined. The study took place at the intensive care facility, Mie University School of Medicine and comprised 201 patients with suspected DIC. Plasma HMGB I was below the detection limit in normal subjects, but moderately elevated in patients with infectious diseases (4.54 +/- 8.18 ng/ml, mean +/- SD), malignancies (2.15 +/- 5.34 ng/ml),and traumas (6.47 +/- 13.13 ng/ml). DIC was associated with significantly high plasma HMGB I (14.05 +/- 2.56 ng/ml) in these patients. The highest HMGBI levels were in patients with organ failure (8.29 +/- 10.99 ng/ml) and non-survivors (16.58 +/- 11.01 ng/ml). HMGBI plasma levels correlated with the DIC score and sepsis-related organ failure assessment (SOFA) score. In conclusion, our data suggest that HMGB-I is a potentially suitable prognostic marker of OF or DIC.
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