Mihaela Popescu

Circulating Zonulin in Irritable Bowel Syndrome: A Systematic Review of Conflicting Evidence and the Critical Impact of Assay Specificity

Background: Increased intestinal permeability is a proposed pathophysiological mechanism in irritable bowel syndrome (IBS), and zonulin, a putative regulator of tight junctions, has been investigated as a non-invasive serum biomarker. However, the diagnostic utility of circulatin...