H Massier et al., 2021, Gut
Widely used commercial zonulin ELISAs may not measure prehaptoglobin-2 and correlate poorly with gold-standard permeability tests, undermining many ELISA-based leaky-gut claims.
- Limitation
- Focuses on assay validity; does not negate all permeability biology
- Tags
- zonulin, intestinal-barrier, permeability, biomarker