Nguyen, H. T. M., van der Westhuizen, E. T., Langmead, C. J., Tobin, A. B. , Sexton, P. M., Christopoulos, A. and Valant, C. (2023) Opportunities and challenges for the development of M1 muscarinic receptor positive allosteric modulators in the treatment for neurocognitive deficits. British Journal of Pharmacology, (doi: 10.1111/bph.15982) (PMID:36355830) (Early Online Publication)
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Abstract
Targeting allosteric sites of M1 muscarinic acetylcholine receptors (M1 receptors) is a promising strategy to treat neurocognitive disorders, such as Alzheimer's disease and schizophrenia. Indeed, the last two decades have seen an impressive body of work focussing on the design and development of positive allosteric modulators (PAMs) for the M1 receptor. This has led to the identification of a structurally diverse range of highly selective M1 PAMs. In preclinical models, M1 PAMs have shown rescue of cognitive deficits and improvement of endpoints predictive of symptom domains of schizophrenia. Yet, to date only a few M1 PAMs have reached early-stage clinical trials, with many of them failing to progress further due to on-target mediated cholinergic adverse effects that have plagued the development of this class of ligand. This review covers the recent preclinical and clinical studies in the field of M1 receptor drug discovery for the treatment of Alzheimer's disease and schizophrenia, with a specific focus on M1 PAM, highlighting both the undoubted potential but also key challenges for the successful translation of M1 PAMs from bench-side to bedside.
| Item Type: | Articles |
|---|---|
| Status: | Early Online Publication |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Tobin, Andrew |
| Authors: | Nguyen, H. T. M., van der Westhuizen, E. T., Langmead, C. J., Tobin, A. B., Sexton, P. M., Christopoulos, A., and Valant, C. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Molecular Biosciences |
| Journal Name: | British Journal of Pharmacology |
| Publisher: | Wiley |
| ISSN: | 0007-1188 |
| ISSN (Online): | 1476-5381 |
| Published Online: | 10 November 2022 |
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