The phytoestrogen coumestrol is a naturally occurring antagonist of the human pregnane X receptor

Hongwei Wang, Hao Li, Linda B. Moore, Michael D.L. Johnson, Jodi M. Maglich, Bryan Goodwin, Olivia R.R. Ittoop, Bruce Wisely, Katrina Creech, Derek J. Parks, Jon L. Collins, Timothy M. Willson, Ganjam V. Kalpana, Madhukumar Venkatesh, Wen Xie, Sool Y. Cho, John Roboz, Matthew Redinbo, John T. Moore, Sridhar Mani