Muscarinic acetylcholine receptor subtypes in cerebral cortex and hippocampus.
- Authors
- Volpicelli, Laura A; Levey, Allan I
- Year
- 2004
- Journal
- Progress in brain research
- PMID
- 14650906
- DOI
- 10.1016/S0079-6123(03)45003-6
The M1, M2 and M4 subtypes of mAChRs are the predominant receptors in the CNS. These receptors activate a multitude of signaling pathways important for modulating neuronal excitability, synaptic plasticity and feedback regulation of ACh release. In addition, novel functions mediated by mAChRs are currently being discovered. These studies are greatly facilitated by the recent development of subtype selective toxins and mice lacking individual mAChR genes. Studies in cell culture and the rodent brain demonstrate that mAChR internalization and intracellular trafficking is an important component of mAChR regulation. Characterizing mAChR intracellular trafficking could help facilitate the development of selective mAChR ligands. For example, a selective M1 agonist would cause a shift in the distribution of M1 from the cell surface to an intracellular distribution, while M2 and M4 would remain on the cell surface. Characterizing mAChR intracellular trafficking is also important for understanding the cellular mechanisms that regulate mAChR cell surface expression and signaling. Furthermore, intracellular trafficking has recently been demonstrated to play a role in the development of tolerance to drugs (Whistler et al., 1999; He et al., 2002). Because individual mAChR subtypes are novel targets for treatments of diseases such as Alzheimer's disease and schizophrenia, understanding the mechanisms that regulate mAChR signaling and intracellular trafficking following acute and chronic stimulation might lead to the development of rational strategies.
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| Immunolocalization of muscarinic receptor subtypes in the reticular thalamic nucleus of rats. | Oda S et al. | β | 2007 | β |
| Muscarinic acetylcholine receptors: mutant mice provide new insights for drug development. | Wess J et al. | β | 2007 | β |
| Opposing effects on muscarinic acetylcholine receptors in the piriform cortex of odor-trained rats. | Saar D et al. | β | 2007 | β |
| Perinatal co-exposure to methylmercury and PCB153 or PCB126 in rats alters the cerebral cholinergic muscarinic receptors at weaning and puberty. | Coccini T et al. | β | 2007 | β |
| The regulation of M1 muscarinic acetylcholine receptor desensitization by synaptic activity in cultured hippocampal neurons. | Willets JM et al. | β | 2007 | β |
| Association between the CHRM2 gene and intelligence in a sample of 304 Dutch families. | Gosso MF et al. | β | 2006 | β |
| Chronic treatment with first or second generation antipsychotics in rodents: effects on high affinity nicotinic and muscarinic acetylcholine receptors in the brain. | Terry AV et al. | β | 2006 | β |
| Different effects of ATP on the contractile activity of mice diaphragmatic and skeletal muscles. | Grishin SN et al. | β | 2006 | β |
| Differential effects of the antimuscarinic agents darifenacin and oxybutynin ER on memory in older subjects. | Kay G et al. | β | 2006 | β |
| Fos immunolabelling evidence for brain regions involved in the Pavlovian degraded contingency effect and in its disruption by atropine. | Carnicella S et al. | β | 2006 | β |
| Interactions between CRF and acetylcholine in the modulation of cognitive behaviour. | Warnock G et al. | β | 2006 | β |
| Muscarinic acetylcholine receptors activate TRPC6 channels in PC12D cells via Ca2+ store-independent mechanisms. | Zhang L et al. | β | 2006 | β |
| Muscarinic receptors: their distribution and function in body systems, and the implications for treating overactive bladder. | Abrams P et al. | β | 2006 | β |
| Serum biomarkers for delirium. | Marcantonio ER et al. | β | 2006 | β |
| Antimuscarinic drugs for overactive bladder and their potential effects on cognitive function in older patients. | Kay GG et al. | β | 2005 | β |
| A pentylenetetrazole-induced generalized seizure in early life enhances the efficacy of muscarinic receptor coupling to G-protein in hippocampus and neocortex of adult rat. | Potier S et al. | β | 2005 | β |
| Cholinergic control of firing pattern and neurotransmission in rat neostriatal projection neurons: role of CaV2.1 and CaV2.2 Ca2+ channels. | Perez-Rosello T et al. | β | 2005 | β |
| Comparative study on pharmacological effects of DM-phencynonate hydrochloride and its optical isomers. | Wang LY et al. | β | 2005 | β |
| Genetic dissection of theta rhythm heterogeneity in mice. | Shin J et al. | β | 2005 | β |
| Loss of zolpidem efficacy in the hippocampus of mice with the GABAA receptor gamma2 F77I point mutation. | Cope DW et al. | β | 2005 | β |
| Muscarinic receptor subtype pharmacology and physiology. | Eglen RM | β | 2005 | β |
| N-desmethylclozapine, a major metabolite of clozapine, increases cortical acetylcholine and dopamine release in vivo via stimulation of M1 muscarinic receptors. | Li Z et al. | β | 2005 | β |
| Pharmacological profiles of an anticholinergic agent, phencynonate hydrochloride, and its optical isomers. | Wang LY et al. | β | 2005 | β |
| Pre- and postsynaptic modulation of glycinergic and gabaergic transmission by muscarinic receptors on rat hypoglossal motoneurons in vitro. | Pagnotta SE et al. | β | 2005 | β |
| Subdivisions of human parietal area 5 revealed by quantitative receptor autoradiography: a parietal region between motor, somatosensory, and cingulate cortical areas. | Scheperjans F et al. | β | 2005 | β |
| Up-regulation of M1 muscarinic receptors expressed in CHOm1 cells by panaxynol via cAMP pathway. | Hao W et al. | β | 2005 | β |
| Acetylcholinesterase and butyrylcholinesterase--important enzymes of human body. | Patocka J et al. | β | 2004 | β |
| Regulation of nicotinic acetylcholine receptor channel function by acetylcholinesterase inhibitors in rat hippocampal CA1 interneurons. | Fayuk D et al. | β | 2004 | β |
| Signal transduction during amyloid-beta-peptide neurotoxicity: role in Alzheimer disease. | Fuentealba RA et al. | β | 2004 | β |
| The effects on place cells of local scopolamine dialysis are mimicked by a mixture of two specific muscarinic antagonists. | Brazhnik E et al. | β | 2004 | β |