M1/M4 receptors as potential therapeutic treatments for schizophrenia: A comprehensive study
Bioorganic & Medicinal Chemistry(2024)
Abstract
Muscarinic acetylcholine receptors (mAChRs) play a significant role in the pathophysiology of schizophrenia. Although activating mAChRs holds potential in addressing the full range of schizophrenia symptoms, clinical application of many non-selective mAChR agonists in cognitive deficits, positive and negative symptoms is hindered by peripheral side effects (gastrointestinal disturbances and cardiovascular effects) and dosage restrictions. Ligands binding to the allosteric sites of mAChRs, particularly the M1 and M4 subtypes, demonstrate activity in improving cognitive function and amelioration of positive and negative symptoms associated with schizophrenia, enhancing our understanding of schizophrenia. The article aims to critically examine current design concepts and clinical advancements in synthesizing and designing small molecules targeting M1/M4, providing theoretical insights and empirical support for future research in this field.
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Key words
Schizophrenia,Non-selective agonists,Peripheral side effects,M1 mAChR,M4 mAChR,M1/M4 positive allosteric modulators,M1/M4 agonists
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