Changes in serum zonulin in individuals with morbid obesity after weight-loss interventions: a prospective cohort study.

BMC Endocrine Disorders
Martin AasbrennPer G Farup

Abstract

Zonulin is a biomarker of impaired intestinal permeability, which has been associated with various disorders. The primary aim was to study serum zonulin (s-zonulin) in individuals with morbid obesity before and after a conservative weight loss intervention followed by bariatric surgery. The secondary aims were to explore predictors of s-zonulin, and the associations between the changes of the predictors and changes in s-zonulin, and to compare the associations in the two treatment periods. Individuals with morbid obesity were included. Data before any weight loss interventions, after a 6 months' conservative weight loss intervention, and 6 months after bariatric surgery were used. S-zonulin was measured with an ELISA method from Immundiagnostik AB, Bensheim, Germany. Data were analysed with mixed models. The mean body mass index was 42.1 kg/m2 (SD 3.8) at inclusion and was reduced to 38.7 kg/m2 (SD 3.8) and 29.8 kg/m2 (SD 3.8) after the conservative treatment and bariatric surgery respectively. S-zonulin was 63 ng/mL (SD 32) at inclusion and was reduced with 19 ng/ml (95% CI 12 to 26, p < 0.001) after conservative treatment and 11 ng/ml (95% CI 0 to 21, p = 0.04) after bariatric surgery. At inclusion, s-zonulin was significantl...Continue Reading

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Methods Mentioned

BETA
enzyme-linked immunosorbent assay
Gastric Bypass
ELISA

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