Comparative Metabolomic Profiles of Vascular Involvement in Behçet's Disease

Area of Science:

• Biochemistry
• Immunology
• Genetics

Background:

• Behçet's disease is a systemic inflammatory condition with significant vascular complications.
• Vascular involvement is a primary driver of morbidity and mortality in Behçet's disease.
• Limited understanding exists regarding the pathogenesis and vascular incidence in Behçet's disease.

Purpose of the Study:

• To investigate the distinct metabolic profiles of Behçet's disease patients experiencing vascular involvement.
• To identify unique metabolic signatures associated with vascular complications in Behçet's disease.

Main Methods:

• Serum samples from 48 Behçet's disease patients (18 with vascular involvement) and 40 healthy controls were analyzed.
• Untargeted metabolomics was performed using gas chromatography-mass spectrometry.
• Multivariate and univariate statistical analyses were employed to identify altered metabolites and pathways.

Main Results:

• A total of 168 metabolites were identified across the study groups.
• Significant alterations in amino acid metabolism and oxidative stress pathways, including glutathione synthesis, were observed in Behçet's disease patients.
• These metabolic changes were particularly pronounced in patients with vascular involvement.

Conclusions:

• Untargeted metabolomics provides novel molecular insights into Behçet's disease pathogenesis and vascular involvement.
• Vascular complications in Behçet's disease are strongly associated with disruptions in amino acid metabolism and the antioxidant system.
• Identified metabolic pathways warrant further investigation for potential diagnostic and prognostic applications in Behçet's disease and its vascular manifestations.