Target General Infomation
Target ID
T67684
Former ID
TTDS00004
Target Name
Muscarinic acetylcholine receptor M3
Gene Name
CHRM3
Synonyms
M3 receptor; CHRM3
Target Type
Successful
Disease Alzheimer disease [ICD9: 331; ICD10: G30]
Chronic obstructive pulmonary disease [ICD9: 490-492, 494-496; ICD10: J40-J44, J47]
Diagnosing bronchial hyperreactivity [ICD10: W88]
Glaucoma [ICD9: 365; ICD10: H40-H42]
Overactive bladder [ICD9: 596.51; ICD10: N32.81]
Overactive bladder disorder [ICD9: 188, 596.51; ICD10: C67, N32.81]
Obstructive lung diseases [ICD9: 490-492, 494-496; ICD10: J40-J44, J47]
Postoperative nausea and vomiting [ICD10: R11]
Respiratory disease [ICD10: J00-J99]
Sjogren's syndrome [ICD9: 710.2; ICD10: M35.0]
Spasms; Pain [ICD9: 338,780; ICD10: R52, G89]
Seborrhea [ICD10: L21]
Urinary incontinence [ICD9: 788.3; ICD10: N39.3, N39.4, R32]
Unspecified [ICD code not available]
Function
The muscarinic acetylcholine receptor mediates various cellular responses, including inhibition of adenylate cyclase, breakdown of phosphoinositides and modulation of potassium channels through the action of G proteins. Primary transducing effect is Pi turnover.
BioChemical Class
GPCR rhodopsin
Target Validation
T67684
UniProt ID
Sequence
MTLHNNSTTSPLFPNISSSWIHSPSDAGLPPGTVTHFGSYNVSRAAGNFSSPDGTTDDPL
GGHTVWQVVFIAFLTGILALVTIIGNILVIVSFKVNKQLKTVNNYFLLSLACADLIIGVI
SMNLFTTYIIMNRWALGNLACDLWLAIDYVASNASVMNLLVISFDRYFSITRPLTYRAKR
TTKRAGVMIGLAWVISFVLWAPAILFWQYFVGKRTVPPGECFIQFLSEPTITFGTAIAAF
YMPVTIMTILYWRIYKETEKRTKELAGLQASGTEAETENFVHPTGSSRSCSSYELQQQSM
KRSNRRKYGRCHFWFTTKSWKPSSEQMDQDHSSSDSWNNNDAAASLENSASSDEEDIGSE
TRAIYSIVLKLPGHSTILNSTKLPSSDNLQVPEEELGMVDLERKADKLQAQKSVDDGGSF
PKSFSKLPIQLESAVDTAKTSDVNSSVGKSTATLPLSFKEATLAKRFALKTRSQITKRKR
MSLVKEKKAAQTLSAILLAFIITWTPYNIMVLVNTFCDSCIPKTFWNLGYWLCYINSTVN
PVCYALCNKTFRTTFKMLLLCQCDKKKRRKQQYQQRQSVIFHKRAPEQAL
Structure
2CSA
Drugs and Mode of Action
Drug(s) ACECLIDINE Drug Info Approved Glaucoma [1], [2]
Cevimeline Drug Info Approved Sjogren's syndrome [3]
Darifenacin Drug Info Approved Overactive bladder disorder [4], [5], [6]
Ipratropium Drug Info Approved Obstructive lung diseases [7], [8]
LAS-34273 Drug Info Approved Chronic obstructive pulmonary disease [9], [10]
Methacholine Chloride Drug Info Approved Diagnosing bronchial hyperreactivity [2]
Methscopolamine Bromide Drug Info Approved Postoperative nausea and vomiting [2]
SMT-D002 Drug Info Approved Seborrhea [11]
Solifenacin Drug Info Approved Overactive bladder disorder [12], [13]
Succinylcholine Drug Info Approved Spasms; Pain [14], [15], [2]
Tiotropium Drug Info Approved Chronic obstructive pulmonary disease [5], [16]
Tolterodine Drug Info Approved Overactive bladder [2]
(R)-mequitazine (incontinence/respiratory disease), Pierre Fabre Drug Info Phase 2 Respiratory disease [17]
Tarafenacin Drug Info Phase 2 Overactive bladder disorder [18]
TRN-157 Drug Info Phase 2 Chronic obstructive pulmonary disease [19]
CHF 5407 Drug Info Phase 1 Chronic obstructive pulmonary disease [20]
Zamifenacin Drug Info Discontinued in Phase 3 Urinary incontinence [21]
PSD-506 Drug Info Discontinued in Phase 2 Overactive bladder disorder [22]
Revatropate Drug Info Discontinued in Phase 1 Chronic obstructive pulmonary disease [23]
Alvameline Drug Info Terminated Alzheimer disease [24]
Modulator (R)-mequitazine (incontinence/respiratory disease), Pierre Fabre Drug Info
Alvameline Drug Info [24]
CHF 5407 Drug Info
DAU-5750 Drug Info
DAU-5884 Drug Info
Ipratropium Drug Info
Methacholine Chloride Drug Info [25]
Methscopolamine Bromide Drug Info
PSD-506 Drug Info [26]
Revatropate Drug Info
Inhibitor 1'-Benzyl-3-phenyl-[3,4']bipiperidinyl-2,6-dione Drug Info [27]
1,1-diphenyl-2-(3-tropanyl)ethanol Drug Info [28]
1-Methyl-1-(4-pyrrolidin-1-yl-but-2-ynyl)-urea Drug Info [29]
2,8-Dimethyl-1-oxa-8-aza-spiro[4.5]decan-3-one Drug Info [30]
2-Methyl-6-pyrrolidin-1-yl-hex-4-ynal oxime Drug Info [31]
3-(3-benzylamino)-piperidin-2-one Drug Info [32]
3-Methyl-7-pyrrolidin-1-yl-hept-5-yn-2-one Drug Info [31]
3-Tetrazol-2-yl-1-aza-bicyclo[2.2.2]octane Drug Info [33]
4-(4-butylpiperidin-1-yl)-1-o-tolylbutan-1-one Drug Info [34]
6-Dimethylamino-2-methyl-hex-4-ynal oxime Drug Info [31]
7-Dimethylamino-3-methyl-hept-5-yn-2-one Drug Info [31]
7-Dimethylamino-hept-5-yn-2-one Drug Info [31]
7-Pyrrolidin-1-yl-hept-5-yn-2-one Drug Info [31]
A-987306 Drug Info [35]
ACECLIDINE Drug Info [36]
Acetic acid 8-aza-bicyclo[3.2.1]oct-6-yl ester Drug Info [37]
Benzoic acid 8-aza-bicyclo[3.2.1]oct-6-yl ester Drug Info [38]
BRL-55473 Drug Info [39]
CREMASTRINE Drug Info [40]
FLUMEZAPINE Drug Info [41]
FM1-10 Drug Info [42]
FM1-43 Drug Info [42]
GNF-PF-5618 Drug Info [43]
ISOCLOZAPINE Drug Info [44]
ISOLOXAPINE Drug Info [45]
N-(4-Dimethylamino-but-2-ynyl)-N-methyl-acetamide Drug Info [31]
N-methoxyquinuclidine-3-carboximidoyl chloride Drug Info [39]
N-methoxyquinuclidine-3-carboximidoyl fluoride Drug Info [39]
NOCARDIMICIN A Drug Info [43]
Nocardimicin C Drug Info [43]
Nocardimicin D Drug Info [43]
Nocardimicin F Drug Info [43]
Noccardimicin E Drug Info [43]
Propionic acid 8-aza-bicyclo[3.2.1]oct-6-yl ester Drug Info [38]
SULFOARECOLINE Drug Info [46]
UCB-101333-3 Drug Info [47]
Antagonist 3-(1-carbamoyl-1,1-diphenylmethyl)-1-(4-methoxyphenylethyl)pyrrolidine (APP) Drug Info [48]
4-DAMP Drug Info [49], [50]
AE-9C90CB Drug Info [51]
Darifenacin Drug Info [52]
guanylpirenzepine Drug Info [53]
hexahydrodifenidol Drug Info [54]
hexahydrosiladifenidol Drug Info [54]
LAS-34273 Drug Info [23]
lithocholylcholine Drug Info [55]
ML381 Drug Info [56]
Olterodine Drug Info [57]
Oxybutynine Drug Info [58]
p-F-HHSiD Drug Info [59]
PTAC Drug Info [57]
silahexocyclium Drug Info [54]
Solifenacin Drug Info [60]
Succinylcholine Drug Info [61], [62]
Tarafenacin Drug Info [63]
Tiotropium Drug Info [64]
Tolterodine Drug Info [65], [48]
tripitramine Drug Info [66]
TRN-157 Drug Info [51]
UH-AH 37 Drug Info [67]
VU0255035 Drug Info [68]
Zamifenacin Drug Info [69]
[3H]darifenacin Drug Info [70]
[3H]N-methyl scopolamine Drug Info [71]
[3H]QNB Drug Info [72]
[3H]tiotropium Drug Info [73]
Agonist arecaidine propargyl ester Drug Info [74]
Cevimeline Drug Info [75]
furtrethonium Drug Info [74]
J-104135 Drug Info [51]
McN-A-343 Drug Info [76]
methylfurmethide Drug Info [74]
NNC 11-1314 Drug Info [77]
NNC 11-1585 Drug Info [77]
NNC 11-1607 Drug Info [77]
oxotremorine-M Drug Info [74]
pentylthio-TZTP Drug Info [74]
SMT-D002 Drug Info [78]
Modulator (allosteric modulator) brucine Drug Info [79]
Go7874 Drug Info [80]
N-benzyl brucine Drug Info [79]
N-chloromethyl-brucine Drug Info [79]
thiochrome Drug Info [81]
vinburnine Drug Info [74]
WIN 51,708 Drug Info [82]
WIN 62,577 Drug Info [82]
Target Expression Profile (TEP) and Drug Resistance Mutation (DRM)
TEP EXP Info
Pathways
KEGG Pathway Calcium signaling pathway
Neuroactive ligand-receptor interaction
Cholinergic synapse
Regulation of actin cytoskeleton
Insulin secretion
Salivary secretion
Gastric acid secretion
Pancreatic secretion
PANTHER Pathway Alzheimer disease-amyloid secretase pathway
Heterotrimeric G-protein signaling pathway-Gq alpha and Go alpha mediated pathway
Muscarinic acetylcholine receptor 1 and 3 signaling pathway
PathWhiz Pathway Gastric Acid Production
Reactome Muscarinic acetylcholine receptors
Acetylcholine regulates insulin secretion
G alpha (q) signalling events
WikiPathways Monoamine GPCRs
Calcium Regulation in the Cardiac Cell
Regulation of Actin Cytoskeleton
GPCRs, Class A Rhodopsin-like
Gastrin-CREB signalling pathway via PKC and MAPK
Integration of energy metabolism
GPCR ligand binding
GPCR downstream signaling
GPCRs, Other
References
REF 1(http://www.guidetopharmacology.org/) Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 288).
REF 2Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
REF 3Therapeutic effect of cevimeline on dry eye in patients with Sj??gren's syndrome: a randomized, double-blind clinical study. Am J Ophthalmol. 2004 Jul;138(1):6-17.
REF 42004 approvals: the demise of the blockbuster. Nat Rev Drug Discov. 2005 Feb;4(2):93-4.
REF 5Natural products as sources of new drugs over the last 25 years. J Nat Prod. 2007 Mar;70(3):461-77. Epub 2007 Feb 20.
REF 6(http://www.guidetopharmacology.org/) Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 321).
REF 7Emerging drugs for postoperative ileus. Expert Opin Emerg Drugs. 2007 Nov;12(4):619-26.
REF 8(http://www.guidetopharmacology.org/) Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 325).
REF 9Aclidinium bromide, a novel long-acting muscarinic M3 antagonist for the treatment of COPD. Curr Opin Investig Drugs. 2009 May;10(5):482-90.
REF 10Nat Rev Drug Discov. 2013 Feb;12(2):87-90.
REF 11Clinical pipeline report, company report or official report of Summit.
REF 12FDA Approved Drug Products from FDA Official Website. 2009. Application Number: (NDA) 021518.
REF 13(http://www.guidetopharmacology.org/) Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 7483).
REF 14FDA Approved Drug Products from FDA Official Website. 2009. Application Number: (NDA) 008453.
REF 15(http://www.guidetopharmacology.org/) Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 4004).
REF 16(http://www.guidetopharmacology.org/) Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 367).
REF 17ClinicalTrials.gov (NCT01951222) Bronchodilator Properties and Safety in Asthma. U.S. National Institutes of Health.
REF 18ClinicalTrials.gov (NCT01458197) A Phase 2 Study to Compare the Efficacy and Tolerability of Tarafenacin 0.2 mg and Tarafenacin 0.4 mg to Placebo in Patients Suffering From Overactive Bladder.. U.S. National Institutes of Health.
REF 19ClinicalTrials.gov (NCT02382510) Multiple Ascending Dose Study of TRN-157 in Stable Mild and Moderate Asthmatics. U.S. National Institutes of Health.
REF 20Emerging drugs in chronic obstructive pulmonary disease. Expert Opin Emerg Drugs. 2009 Mar;14(1):181-94.
REF 21Trusted, scientifically sound profiles of drug programs, clinical trials, safety reports, and company deals, written by scientists. Springer. 2015. Adis Insight (drug id 800003650)
REF 22Trusted, scientifically sound profiles of drug programs, clinical trials, safety reports, and company deals, written by scientists. Springer. 2015. Adis Insight (drug id 800022973)
REF 23Emerging drugs for the treatment of chronic obstructive pulmonary disease. Expert Opin Emerg Drugs. 2006 May;11(2):275-91.
REF 24In vivo muscarinic cholinergic mediated effects of Lu 25-109, a M1 agonist and M2/M3 antagonist in vitro. Psychopharmacology (Berl). 1998 Jun;137(3):233-40.
REF 25Muscarinic M3-receptors mediate cholinergic synergism of mitogenesis in airway smooth muscle. Am J Respir Cell Mol Biol. 2003 Feb;28(2):257-62.
REF 26Interpreting expression profiles of cancers by genome-wide survey of breadth of expression in normal tissues. Genomics 2005 Aug;86(2):127-41.
REF 27J Med Chem. 1989 May;32(5):1057-62.Synthesis and biological evaluation of [125I]- and [123I]-4-iododexetimide, a potent muscarinic cholinergic receptor antagonist.
REF 28Bioorg Med Chem Lett. 2009 Aug 15;19(16):4560-2. Epub 2009 Jul 8.Discovery of (3-endo)-3-(2-cyano-2,2-diphenylethyl)-8,8-dimethyl-8-azoniabicyclo[3.2.1]octane bromide as an efficacious inhaled muscarinic acetylcholine receptor antagonist for the treatment of COPD.
REF 29J Med Chem. 1992 Aug 21;35(17):3270-9.Urea and 2-imidazolidone derivatives of the muscarinic agents oxotremorine and N-methyl-N-(1-methyl-4-pyrrolidino-2-butynyl)acetamide.
REF 30J Med Chem. 1998 Oct 22;41(22):4181-5.Synthesis and modeling studies of a potent conformationally rigid muscarinic agonist: 1-azabicyclo[2.2.1]heptanespirofuranone.
REF 31Cholinergic agents: aldehyde, ketone, and oxime analogues of the muscarinic agonist UH5, Bioorg. Med. Chem. Lett. 2(8):803-808 (1992).
REF 32J Med Chem. 2007 Apr 19;50(8):1925-32. Epub 2007 Mar 17.Designing active template molecules by combining computational de novo design and human chemist's expertise.
REF 33J Med Chem. 1992 Apr 3;35(7):1280-90.Synthesis and muscarinic activities of quinuclidin-3-yltriazole and -tetrazole derivatives.
REF 34J Med Chem. 2010 Sep 9;53(17):6386-97.Discovery of N-{1-[3-(3-oxo-2,3-dihydrobenzo[1,4]oxazin-4-yl)propyl]piperidin-4-yl}-2-phenylacetamide (Lu AE51090): an allosteric muscarinic M1 receptor agonist with unprecedented selectivity and procognitive potential.
REF 35J Med Chem. 2008 Nov 27;51(22):7094-8.cis-4-(Piperazin-1-yl)-5,6,7a,8,9,10,11,11a-octahydrobenzofuro[2,3-h]quinazolin-2-amine (A-987306), a new histamine H4R antagonist that blocks pain responses against carrageenan-induced hyperalgesia.
REF 36J Med Chem. 1993 Apr 2;36(7):842-7.Design, synthesis, and neurochemical evaluation of 5-(3-alkyl-1,2,4- oxadiazol-5-yl)-1,4,5,6-tetrahydropyrimidines as M1 muscarinic receptor agonists.
REF 37J Med Chem. 1998 Jun 4;41(12):2047-55.6beta-Acetoxynortropane: a potent muscarinic agonist with apparent selectivity toward M2-receptors.
REF 38J Med Chem. 2000 Jun 29;43(13):2514-22.6beta-Acyloxy(nor)tropanes: affinities for antagonist/agonist binding sites on transfected and native muscarinic receptors.
REF 39A novel and selective class of azabicyclic muscarinic agonists incorporating an N-methoxy imidoyl halide or nitrile functionality, Bioorg. Med. Chem. Lett. 2(8):791-796 (1992).
REF 40J Nat Prod. 2005 Apr;68(4):572-3.Cremastrine, a pyrrolizidine alkaloid from Cremastra appendiculata.
REF 41J Med Chem. 1989 Dec;32(12):2573-82.Synthesis and pharmacological evaluation of a series of 4-piperazinylpyrazolo[3,4-b]- and -[4,3-b][1,5]benzodiazepines as potential anxiolytics.
REF 42Bioorg Med Chem Lett. 2008 Jan 15;18(2):825-7. Epub 2007 Nov 17.Design and synthesis of a fluorescent muscarinic antagonist.
REF 43J Nat Prod. 2005 Jul;68(7):1061-5.Nocardimicins A, B, C, D, E, and F, siderophores with muscarinic M3 receptor inhibiting activity from Nocardia sp. TP-A0674.
REF 44J Med Chem. 1990 Feb;33(2):809-14.Chloro-substituted, sterically hindered 5,11-dicarbo analogues of clozapine as potential chiral antipsychotic agents.
REF 45J Med Chem. 1981 Sep;24(9):1021-6.Synthesis of clozapine analogues and their affinity for clozapine and spiroperidol binding sites in rat brain.
REF 46J Med Chem. 1988 Jul;31(7):1312-6.Heterocyclic muscarinic agonists. Synthesis and biological activity of some bicyclic sulfonium arecoline bioisosteres.
REF 47Bioorg Med Chem Lett. 2007 Jun 1;17(11):3077-80. Epub 2007 Mar 19.Dual M3 antagonists-PDE4 inhibitors. Part 2: Synthesis and SAR of 3-substituted azetidinyl derivatives.
REF 48Signal transduction underlying carbachol-induced contraction of human urinary bladder. J Pharmacol Exp Ther. 2004 Jun;309(3):1148-53. Epub 2004 Feb 9.
REF 49The effects of the antagonists of muscarinic acetylcholine receptor subtypes in rat brain on urinary bladder contraction. Nippon Hinyokika Gakkai Zasshi. 2002 Mar;93(3):427-34.
REF 50An increase in intracelluar free calcium ions modulated by cholinergic receptors in rat facial nucleus. Chin Med J (Engl). 2009 May 5;122(9):1049-55.
REF 51(http://www.guidetopharmacology.org/) Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Target id: 15).
REF 52M(1) and M(3) muscarinic receptors are involved in the release of urinary bladder-derived relaxant factor. Pharmacol Res. 2009 May;59(5):300-5. Epub 2009 Feb 5.
REF 53Binding of the labelled muscarinic toxin 125I-MT1 to rat brain muscarinic M1 receptors. Eur J Pharmacol. 1996 Jun 3;305(1-3):187-92.
REF 54Antagonist binding properties of five cloned muscarinic receptors expressed in CHO-K1 cells. Mol Pharmacol. 1989 Apr;35(4):469-76.
REF 55Lithocholylcholine, a bile acid/acetylcholine hybrid, is a muscarinic receptor antagonist. J Pharmacol Exp Ther. 2002 Oct;303(1):29-35.
REF 56Discovery, synthesis and characterization of a highly muscarinic acetylcholine receptor (mAChR)-selective M5-orthosteric antagonist, VU0488130 (ML381): a novel molecular probe. ChemMedChem. 2014 Aug;9(8):1677-82.
REF 57Which muscarinic receptor is important in the bladder? World J Urol. 2001 Nov;19(5):299-306.
REF 58Generation of an agonistic binding site for blockers of the M(3) muscarinic acetylcholine receptor. Biochem J. 2008 May 15;412(1):103-12.
REF 59Stimulation of cyclic AMP accumulation and phosphoinositide hydrolysis by M3 muscarinic receptors in the rat peripheral lung. Biochem Pharmacol. 1996 Aug 23;52(4):643-58.
REF 60Comparison of muscarinic receptor selectivity of solifenacin and oxybutynin in the bladder and submandibular gland of muscarinic receptor knockout mice. Eur J Pharmacol. 2009 Aug 1;615(1-3):201-6. Epub 2009 May 13.
REF 61The involvement of histaminic and muscarinic receptors in the bronchoconstriction induced by myorelaxant administration in sensitized rabbits. Anesth Analg. 2008 Dec;107(6):1899-906.
REF 62Neuromuscular relaxants as antagonists for M2 and M3 muscarinic receptors. Anesthesiology. 1998 Mar;88(3):744-50.
REF 63In vivo and in vitro pharmacological characterization of SVT-40776, a novel M3 muscarinic receptor antagonist, for the treatment of overactive bladder. Br J Pharmacol. 2009 Mar;156(5):807-17.
REF 64DrugBank: a knowledgebase for drugs, drug actions and drug targets. Nucleic Acids Res. 2008 Jan;36(Database issue):D901-6. Epub 2007 Nov 29.
REF 65Knockouts model the 100 best-selling drugs--will they model the next 100? Nat Rev Drug Discov. 2003 Jan;2(1):38-51.
REF 66Design, synthesis, and biological evaluation of pirenzepine analogs bearing a 1,2-cyclohexanediamine and perhydroquinoxaline units in exchange for the piperazine ring as antimuscarinics. Bioorg Med Chem. 2008 Aug 1;16(15):7311-20.
REF 67Comparison of the in vitro and in vivo profiles of tolterodine with those of subtype-selective muscarinic receptor antagonists. Eur J Pharmacol. 1998 May 22;349(2-3):285-92.
REF 68A novel selective muscarinic acetylcholine receptor subtype 1 antagonist reduces seizures without impairing hippocampus-dependent learning. Mol Pharmacol. 2009 Aug;76(2):356-68.
REF 69Drug treatment options for irritable bowel syndrome: managing for success. Drugs Aging. 2001;18(3):201-11.
REF 70Characterisation of [3H]-darifenacin as a novel radioligand for the study of muscarinic M3 receptors. J Recept Signal Transduct Res. 1997 Jan-May;17(1-3):177-84.
REF 71Interaction of neuromuscular blocking drugs with recombinant human m1-m5 muscarinic receptors expressed in Chinese hamster ovary cells. Br J Pharmacol. 1998 Nov;125(5):1088-94.
REF 72Distinct primary structures, ligand-binding properties and tissue-specific expression of four human muscarinic acetylcholine receptors. EMBO J. 1987 Dec 20;6(13):3923-9.
REF 73Pharmacological characterization of GSK573719 (umeclidinium): a novel, long-acting, inhaled antagonist of the muscarinic cholinergic receptors for treatment of pulmonary diseases. J Pharmacol Exp Ther. 2013 May;345(2):260-70.
REF 74Positive cooperativity of acetylcholine and other agonists with allosteric ligands on muscarinic acetylcholine receptors. Mol Pharmacol. 1997 Jul;52(1):172-9.
REF 75Degradation of submandibular gland AQP5 by parasympathetic denervation of chorda tympani and its recovery by cevimeline, an M3 muscarinic receptor agonist. Am J Physiol Gastrointest Liver Physiol. 2008 Jul;295(1):G112-G123. Epub 2008 May 1.
REF 76Human muscarinic receptors expressed in A9L and CHO cells: activation by full and partial agonists. Br J Pharmacol. 1995 Mar;114(6):1241-9.
REF 77Synthesis and pharmacological evaluation of dimeric muscarinic acetylcholine receptor agonists. J Pharmacol Exp Ther. 2001 Sep;298(3):1260-8.
REF 78Demonstration of bladder selective muscarinic receptor binding by intravesical oxybutynin to treat overactive bladder. J Urol. 2004 Nov;172(5 Pt 1):2059-64.
REF 79Subtype-selective positive cooperative interactions between brucine analogues and acetylcholine at muscarinic receptors: radioligand binding studies. Mol Pharmacol. 1998 Mar;53(3):573-89.
REF 80Allosteric interactions of staurosporine and other indolocarbazoles with N-[methyl-(3)H]scopolamine and acetylcholine at muscarinic receptor subtypes: identification of a second allosteric site. Mol Pharmacol. 2000 Jul;58(1):194-207.
REF 81Thiochrome enhances acetylcholine affinity at muscarinic M4 receptors: receptor subtype selectivity via cooperativity rather than affinity. Mol Pharmacol. 2004 Jan;65(1):257-66.
REF 82Analogs of WIN 62,577 define a second allosteric site on muscarinic receptors. Mol Pharmacol. 2002 Dec;62(6):1492-505.

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