Syndecan-1 levels (9.6 ± 8.9 vs. 5.5 ± 3.2 ng/mL, P = .002), CRP levels (3.2 [0.3-41.7] vs. 1.2 [0.3-9.6] mg/dL, P < .001), and cIMT values (0.51 ± 0.1 vs. 0.46 ± 0.1 mm, P = .015) were significantly elevated in patients with Behçet’s disease compared to the control group. The gene discussed is SDC1; the disease is Behcet disease.