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https://hdl.handle.net/2440/75541
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Type: | Journal article |
Title: | Prediction of the tissue-specificity of selective estrogen receptor modulators by using a single biochemical method |
Author: | Dai, S. Chalmers, M. Bruning, J. Bramlett, K. Osborne, H. Montrose-Rafizadeh, C. Barr, R. Wang, Y. Wang, M. Burris, T. Dodge, J. Griffin, P. |
Citation: | Proceedings of the National Academy of Sciences of USA, 2008; 105(20):7171-7176 |
Publisher: | Natl Acad Sciences |
Issue Date: | 2008 |
ISSN: | 0027-8424 1091-6490 |
Statement of Responsibility: | Susie Y. Dai, Michael J. Chalmers, John Bruning, Kelli S. Bramlett, Harold E. Osborne, Chahrzad Montrose-Rafizadeh, Robert J. Barr, Yong Wang, Minmin Wang, Thomas P. Burris, Jeffrey A. Dodge, and Patrick R. Griffin |
Abstract: | Here, we demonstrate that a single biochemical assay is able to predict the tissue-selective pharmacology of an array of selective estrogen receptor modulators (SERMs). We describe an approach to classify estrogen receptor (ER) modulators based on dynamics of the receptor-ligand complex as probed with hydrogen/deuterium exchange (HDX) mass spectrometry. Differential HDX mapping coupled with cluster and discriminate analysis effectively predicted tissue-selective function in most, but not all, cases tested. We demonstrate that analysis of dynamics of the receptor-ligand complex facilitates binning of ER modulators into distinct groups based on structural dynamics. Importantly, we were able to differentiate small structural changes within ER ligands of the same chemotype. In addition, HDX revealed differentially stabilized regions within the ligand-binding pocket that may contribute to the different pharmacology phenotypes of the compounds independent of helix 12 positioning. In summary, HDX provides a sensitive and rapid approach to classify modulators of the estrogen receptor that correlates with their pharmacological profile. |
Keywords: | discriminate analysis hydrogen/deuterium exchange mass spectrometry |
Rights: | © 2008 by The National Academy of Sciences of the USA |
DOI: | 10.1073/pnas.0710802105 |
Published version: | http://dx.doi.org/10.1073/pnas.0710802105 |
Appears in Collections: | Aurora harvest Molecular and Biomedical Science publications |
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