Fig. 2From: The use of biomarkers associated with leaky gut as a diagnostic tool for early intervention in autism spectrum disorder: a systematic reviewRelationship between leaky gut and ASD demonstrating the increase of calprotectin, soluble CD14 as co-receptor of LPS, and p-cresol as toxic bacterial metabolite together with the decrease of zonulin and occludin as predictive biomarkers of leaky gut in autistic patientsBack to article page