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Biomarker Profile of Sepsis-Associated Coagulopathy Using Biochip Assay for Inflammatory Cytokines
Amanda Walborn1, Debra Hoppensteadt1, Daneyal Syed1
11 Department of Pathology and Pharmacology, Loyola University Medical Center, Maywood, IL, USA.
Insights
Sepsis-associated disseminated intravascular coagulation (DIC) involves elevated inflammatory cytokines like IL-6 and TNF-α. While many cytokines correlate, VEGF and EGF may play independent roles in DIC pathogenesis.
Area of Science:
- Critical care medicine
- Hematology
- Immunology
Background:
- Disseminated intravascular coagulation (DIC) is a critical complication of sepsis, significantly increasing mortality risk.
- DIC involves complex interactions between coagulation, inflammation, and endothelial dysfunction.
- Identifying reliable biomarkers for DIC is crucial for patient management and prognosis.
Purpose of the Study:
- To quantify plasma inflammatory cytokine levels in patients with DIC.
- To compare these levels against healthy controls.
- To explore correlations between cytokines and establish a basis for biomarker panels.
Main Methods:
- Analysis of plasma samples from DIC patients and healthy individuals.
- Measurement of key inflammatory biomarkers: IL-1β, IL-6, IL-8, IL-10, IFN-γ, VEGF, TNF-α, MCP-1, and EGF.
- Statistical analysis to determine significant differences and correlations.
Main Results:
- Significant elevations in IL-1β, IL-6, IL-8, IL-10, IFN-γ, TNF-α, and MCP-1 were observed in DIC patients (P < .05).
- Numerous correlations were found among these inflammatory cytokines.
- Vascular endothelial growth factor (VEGF) and epidermal growth factor (EGF) showed limited correlation with other markers, suggesting distinct roles.
Conclusions:
- Specific inflammatory cytokines are significantly upregulated in sepsis-induced DIC.
- Cytokine profiles offer potential as biomarkers for DIC.
- VEGF and EGF may be involved in DIC through pathways independent of the primary inflammatory cascade.
Abstract:
Disseminated intravascular coagulation (DIC) is a major pathophysiological mechanism of sepsis and greatly increases the risk of death in septic patients. Disseminated intravascular coagulation is a complex physiological phenomenon that involves inappropriate activation of coagulation, inflammation, and endothelial processes. The purpose of this study was to analyze the levels of inflammatory cytokines in the plasma of patients with DIC in order to compare the measured levels with those from healthy individuals, draw correlations, and provide a basis for further biomarker panel development. The inflammatory biomarkers interleukin (IL) 1β, IL-6, IL-8, IL-10, interferon (IFN) γ, vascular endothelial growth factor (VEGF), tumor necrosis factor (TNF) α, monocyte chemoattractant protein (MCP)-1, and epidermal growth factor (EGF) showed significant ( P < .05) elevation in patients with DIC. Interestingly, while numerous correlations were present between IL-β, IL-6, IL-8, IL-10, IFN-γ, TNF-α, MCP-1, and many of the inflammatory cytokines measured, VEGF and EGF exhibited much less extensive correlation, suggesting that their involvement in DIC may be independent of the other investigated inflammatory markers.
