Here, based on single-pass intestinal perfusion platform, the authors establish a microbiota-based drug permeability screening framework to compare perfusion and metabolomic profiles of 32 orally administered drugs in germ-free rats, and show that increased permeability of N-Acetylcysteine is mediated by cysteine-3-ketosphinganine of Bacteroides.
- Yu-Hang Zhang
- Chen-Shu Dai
- Yi-Min Cui