Title |
Evolution of pharmacologic specificity in the pregnane X receptor
|
---|---|
Published in |
BMC Ecology and Evolution, April 2008
|
DOI | 10.1186/1471-2148-8-103 |
Pubmed ID | |
Authors |
Sean Ekins, Erica J Reschly, Lee R Hagey, Matthew D Krasowski |
Abstract |
The pregnane X receptor (PXR) shows the highest degree of cross-species sequence diversity of any of the vertebrate nuclear hormone receptors. In this study, we determined the pharmacophores for activation of human, mouse, rat, rabbit, chicken, and zebrafish PXRs, using a common set of sixteen ligands. In addition, we compared in detail the selectivity of human and zebrafish PXRs for steroidal compounds and xenobiotics. The ligand activation properties of the Western clawed frog (Xenopus tropicalis) PXR and that of a putative vitamin D receptor (VDR)/PXR cloned in this study from the chordate invertebrate sea squirt (Ciona intestinalis) were also investigated. |
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Geographical breakdown
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United States | 2 | 3% |
Germany | 2 | 3% |
Colombia | 1 | 2% |
India | 1 | 2% |
Finland | 1 | 2% |
Unknown | 52 | 88% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 16 | 27% |
Researcher | 13 | 22% |
Student > Master | 8 | 14% |
Student > Bachelor | 7 | 12% |
Lecturer | 3 | 5% |
Other | 7 | 12% |
Unknown | 5 | 8% |
Readers by discipline | Count | As % |
---|---|---|
Agricultural and Biological Sciences | 25 | 42% |
Chemistry | 7 | 12% |
Pharmacology, Toxicology and Pharmaceutical Science | 5 | 8% |
Biochemistry, Genetics and Molecular Biology | 5 | 8% |
Environmental Science | 5 | 8% |
Other | 5 | 8% |
Unknown | 7 | 12% |