SPA70 is a potent antagonist of human pregnane X receptor.
Lin, W., Wang, Y.M., Chai, S.C., Lv, L., Zheng, J., Wu, J., Zhang, Q., Wang, Y.D., Griffin, P.R., Chen, T.(2017) Nat Commun 8: 741-741
- PubMed: 28963450 
- DOI: 10.1038/s41467-017-00780-5
- Primary Citation of Related Structures:  
5X0R - PubMed Abstract: 
Many drugs bind to and activate human pregnane X receptor (hPXR) to upregulate drug-metabolizing enzymes, resulting in decreased drug efficacy and increased resistance. This suggests that hPXR antagonists have therapeutic value. Here we report that SPA70 is a potent and selective hPXR antagonist ...