Jeremy Shonberg
A structure-activity analysis of biased agonism at the dopamine D2 receptor.
Shonberg, Jeremy; Herenbrink, Carmen Klein; L�pez, Laura; Christopoulos, Arthur; Scammells, Peter J; Capuano, Ben; Lane, J Robert
Authors
Carmen Klein Herenbrink
Laura L�pez
Arthur Christopoulos
Peter J Scammells
Ben Capuano
Dr ROB LANE ROB.LANE@NOTTINGHAM.AC.UK
ASSOCIATE PROFESSOR
Abstract
Biased agonism offers an opportunity for the medicinal chemist to discover pathway-selective ligands for GPCRs. A number of studies have suggested that biased agonism at the dopamine D2 receptor (D2R) may be advantageous for the treatment of neuropsychiatric disorders, including schizophrenia. As such, it is of great importance to gain insight into the SAR of biased agonism at this receptor. We have generated SAR based on a novel D2R partial agonist, tert-butyl (trans-4-(2-(3,4-dihydroisoquinolin-2(1H)-yl)ethyl)cyclohexyl)carbamate (4). This ligand shares structural similarity to cariprazine (2), a drug awaiting FDA approval for the treatment of schizophrenia, yet displays a distinct bias toward two different signaling end points. We synthesized a number of derivatives of 4 with subtle structural modifications, including incorporation of cariprazine fragments. By combining pharmacological profiling with analytical methodology to identify and to quantify bias, we have demonstrated that efficacy and biased agonism can be finely tuned by minor structural modifications to the head group containing the tertiary amine, a tail group that extends away from this moiety, and the orientation and length of a spacer region between these two moieties.
Citation
Shonberg, J., Herenbrink, C. K., López, L., Christopoulos, A., Scammells, P. J., Capuano, B., & Lane, J. R. (2013). A structure-activity analysis of biased agonism at the dopamine D2 receptor. Journal of Medicinal Chemistry, 56(22), 9199-9221. https://doi.org/10.1021/jm401318w
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 26, 2013 |
Online Publication Date | Nov 8, 2013 |
Publication Date | Nov 27, 2013 |
Deposit Date | Apr 22, 2020 |
Journal | Journal of Medicinal Chemistry |
Print ISSN | 0022-2623 |
Electronic ISSN | 1520-4804 |
Publisher | American Chemical Society |
Peer Reviewed | Peer Reviewed |
Volume | 56 |
Issue | 22 |
Pages | 9199-9221 |
DOI | https://doi.org/10.1021/jm401318w |
Public URL | https://nottingham-repository.worktribe.com/output/1339693 |
Publisher URL | https://pubs.acs.org/doi/abs/10.1021/jm401318w |
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