Serum zonulin levels and intestinal permeability in Behçet's syndrome: a cross-sectional study.
OBJECTIVES Increased intestinal permeability has been implicated in the pathogenesis of autoimmune and inflammatory conditions, including Behçet syndrome (BS). Zonulin, an endogenous regulator of intestinal tight junctions, serves as a biomarker for assessing intestinal barrier integrity. We aimed to evaluate intestina...