PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17442842-8 2007 Consistent with the in vivo data, cell-based reporter gene assay revealed rifaximin-mediated activation of human PXR, but not the other xenobiotic nuclear receptors constitutive androstane receptor, peroxisome proliferator-activated receptor (PPAR)alpha, PPARgamma, and farnesoid X receptor. Rifaximin 74-83 peroxisome proliferator activated receptor alpha Homo sapiens 243-253