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Ehlert, Frederick J.

TitleProfessor
InstitutionUniversity of California, Irvine
DepartmentPharmacology
Address1001 Health Sciences Road
CA 92697-3950
Phone(949) 824-6208, 6928
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Johnstone TB, Smith KH, Koziol-White CJ, Li F, Kazarian AG, Corpuz ML, Shumyatcher M, Ehlert F, Himes BE, Panettieri RA, Ostrom RS. PDE8 Is Expressed in Human Airway Smooth Muscle and Selectively Regulates cAMP Signaling by ß2-Adrenergic Receptors and Adenylyl Cyclase 6. Am J Respir Cell Mol Biol. 2018 Apr; 58(4):530-541. PMID: 29262264.
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    2. Ehlert F, Stein RS. Estimation of the receptor-state affinity constants of ligands in functional studies using wild type and constitutively active mutant receptors: Implications for estimation of agonist bias. J Pharmacol Toxicol Methods. 2017 Jan - Feb; 83:94-106. PMID: 27725245.
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    3. Ehlert F. Cooperativity Has Empirical and Ultimate Levels of Explanation. Trends Pharmacol Sci. 2016 08; 37(8):620-623. PMID: 27364140.
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    4. Ehlert F. Functional studies cast light on receptor states. Trends Pharmacol Sci. 2015 Sep; 36(9):596-604. PMID: 26123416.
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    5. DiMattio KM, Ehlert F, Liu-Chen LY. Intrinsic relative activities of ? opioid agonists in activating Ga proteins and internalizing receptor: Differences between human and mouse receptors. Eur J Pharmacol. 2015 Aug 15; 761:235-44. PMID: 26057692; PMCID: PMC4532598.
    6. Stahl EL, Zhou L, Ehlert F, Bohn LM. A novel method for analyzing extremely biased agonism at G protein-coupled receptors. Mol Pharmacol. 2015 May; 87(5):866-77. PMID: 25680753; PMCID: PMC4407734.
    7. Stein RS, Ehlert F. A kinetic model of GPCRs: analysis of G protein activity, occupancy, coupling and receptor-state affinity constants. J Recept Signal Transduct Res. 2015; 35(4):269-83. PMID: 25353707.
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    8. Christopoulos A, Changeux JP, Catterall WA, Fabbro D, Burris TP, Cidlowski JA, Olsen RW, Peters JA, Neubig RR, Pin JP, Sexton PM, Kenakin TP, Ehlert F, Spedding M, Langmead CJ. International Union of Basic and Clinical Pharmacology. XC. multisite pharmacology: recommendations for the nomenclature of receptor allosterism and allosteric ligands. Pharmacol Rev. 2014 Oct; 66(4):918-47. PMID: 25026896.
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    9. Ehlert F, Griffin MT. Estimation of ligand affinity constants for receptor states in functional studies involving the allosteric modulation of G protein-coupled receptors: implications for ligand bias. J Pharmacol Toxicol Methods. 2014 May-Jun; 69(3):253-79. PMID: 24434717; PMCID: PMC4028174.
    10. Suga H, Ehlert F. Effects of asparagine mutagenesis of conserved aspartic acids in helix 2 (D2.50) and 3 (D3.32) of M1-M4 muscarinic receptors on the irreversible binding of nitrogen mustard analogs of acetylcholine and McN-A-343. Biochemistry. 2013 Jul 23; 52(29):4914-28. PMID: 23826889; PMCID: PMC3855626.
    11. Ehlert F. What ligand-gated ion channels can tell us about the allosteric regulation of G protein-coupled receptors. Prog Mol Biol Transl Sci. 2013; 115:291-347. PMID: 23415097.
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    12. Ehlert F, Pak KJ, Griffin MT. Muscarinic agonists and antagonists: effects on gastrointestinal function. Handb Exp Pharmacol. 2012; (208):343-74. PMID: 22222706.
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    13. Ehlert F, Suga H, Griffin MT. Quantifying agonist activity at G protein-coupled receptors. J Vis Exp. 2011 Dec 26; (58):e3179. PMID: 22231636; PMCID: PMC3369663.
    14. Yoshida A, Seki M, Nasrin S, Otsuka A, Ozono S, Takeda M, Masuyama K, Araki I, Ehlert F, Yamada S. Characterization of muscarinic receptors in the human bladder mucosa: direct quantification of subtypes using 4-DAMP mustard. Urology. 2011 Sep; 78(3):721.e7-721.e12. PMID: 21777958.
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    15. Ehlert F, Griffin MT, Suga H. Analysis of functional responses at G protein-coupled receptors: estimation of relative affinity constants for the inactive receptor state. J Pharmacol Exp Ther. 2011 Aug; 338(2):658-70. PMID: 21576380; PMCID: PMC3141892.
    16. Ehlert F, Suga H, Griffin MT. Analysis of agonism and inverse agonism in functional assays with constitutive activity: estimation of orthosteric ligand affinity constants for active and inactive receptor states. J Pharmacol Exp Ther. 2011 Aug; 338(2):671-86. PMID: 21576379; PMCID: PMC3141894.
    17. Suga H, Sawyer GW, Ehlert F. Mutagenesis of nucleophilic residues near the orthosteric binding pocket of M1 and M2 muscarinic receptors: effect on the binding of nitrogen mustard analogs of acetylcholine and McN-A-343. Mol Pharmacol. 2010 Oct; 78(4):745-55. PMID: 20643905; PMCID: PMC2981396.
    18. Pak KJ, Ostrom RS, Matsui M, Ehlert F. The M2-muscarinic receptor inhibits the development of streptozotocin-induced neuropathy in mouse urinary bladder. J Pharmacol Exp Ther. 2010 Oct; 335(1):239-48. PMID: 20624991; PMCID: PMC2957779.
    19. Figueroa KW, Suga H, Ehlert F. Investigating the interaction of McN-A-343 with the M muscarinic receptor using its nitrogen mustard derivative and ACh mustard. Br J Pharmacol. 2010 Jul; 160(6):1534-49. PMID: 20590642; PMCID: PMC2938823.
    20. Pak KJ, Ostrom RS, Matsui M, Ehlert F. Impaired M3 and enhanced M2 muscarinic receptor contractile function in a streptozotocin model of mouse diabetic urinary bladder. Naunyn Schmiedebergs Arch Pharmacol. 2010 May; 381(5):441-54. PMID: 20349044; PMCID: PMC2862252.
    21. Suga H, Ehlert F. Investigating the interaction of McN-A-343 with the M2 muscarinic receptor using its nitrogen mustard derivative. Biochem Pharmacol. 2010 Apr 01; 79(7):1025-35. PMID: 19913516; PMCID: PMC2815195.
    22. Sawyer GW, Ehlert F, Shults CA. A conserved motif in the membrane proximal C-terminal tail of human muscarinic m1 acetylcholine receptors affects plasma membrane expression. J Pharmacol Exp Ther. 2010 Jan; 332(1):76-86. PMID: 19841475; PMCID: PMC2802481.
    23. Griffin MT, Matsui M, Ostrom RS, Ehlert F. The guinea pig ileum lacks the direct, high-potency, M(2)-muscarinic, contractile mechanism characteristic of the mouse ileum. Naunyn Schmiedebergs Arch Pharmacol. 2009 Oct; 380(4):327-35. PMID: 19582435; PMCID: PMC2749929.
    24. Tran JA, Chang A, Matsui M, Ehlert F. Estimation of relative microscopic affinity constants of agonists for the active state of the receptor in functional studies on M2 and M3 muscarinic receptors. Mol Pharmacol. 2009 Feb; 75(2):381-96. PMID: 18996972; PMCID: PMC2684900.
    25. Figueroa KW, Griffin MT, Ehlert F. Selectivity of agonists for the active state of M1 to M4 muscarinic receptor subtypes. J Pharmacol Exp Ther. 2009 Jan; 328(1):331-42. PMID: 18824613; PMCID: PMC2644050.
    26. Suga H, Figueroa KW, Ehlert F. Use of acetylcholine mustard to study allosteric interactions at the M(2) muscarinic receptor. J Pharmacol Exp Ther. 2008 Nov; 327(2):518-28. PMID: 18682569; PMCID: PMC2677819.
    27. Yamada S, Ehlert F, Hollenberg MD. 5th International Symposium on receptor mechanisms, signal transduction and drug effects. Naunyn Schmiedebergs Arch Pharmacol. 2008 Jun; 377(4-6):267-8. PMID: 18357439.
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    28. Ehlert F, Griffin MT. Two-state models and the analysis of the allosteric effect of gallamine at the M2 muscarinic receptor. J Pharmacol Exp Ther. 2008 Jun; 325(3):1039-60. PMID: 18305010.
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    29. Ehlert F. On the analysis of ligand-directed signaling at G protein-coupled receptors. Naunyn Schmiedebergs Arch Pharmacol. 2008 Jun; 377(4-6):549-77. PMID: 18253722.
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    30. Sawyer GW, Ehlert F, Shults CA. Cysteine pairs in the third intracellular loop of the muscarinic m1 acetylcholine receptor play a role in agonist-induced internalization. J Pharmacol Exp Ther. 2008 Jan; 324(1):196-205. PMID: 17540859.
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    31. Ehlert F, Ahn S, Pak KJ, Park GJ, Sangnil MS, Tran JA, Matsui M. Neuronally released acetylcholine acts on the M2 muscarinic receptor to oppose the relaxant effect of isoproterenol on cholinergic contractions in mouse urinary bladder. J Pharmacol Exp Ther. 2007 Aug; 322(2):631-7. PMID: 17473176.
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    32. Griffin MT, Figueroa KW, Liller S, Ehlert F. Estimation of agonist activity at G protein-coupled receptors: analysis of M2 muscarinic receptor signaling through Gi/o,Gs, and G15. J Pharmacol Exp Ther. 2007 Jun; 321(3):1193-207. PMID: 17392404.
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    33. Tran JA, Matsui M, Ehlert F. Differential coupling of muscarinic M1, M2, and M3 receptors to phosphoinositide hydrolysis in urinary bladder and longitudinal muscle of the ileum of the mouse. J Pharmacol Exp Ther. 2006 Aug; 318(2):649-56. PMID: 16675640.
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    34. Sawyer GW, Ehlert F, Hart JP. Determination of the rate of muscarinic M1 receptor plasma membrane delivery using a regulated secretion/aggregation system. J Pharmacol Toxicol Methods. 2006 May-Jun; 53(3):219-33. PMID: 16213169.
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    35. Ehlert F. Analysis of allosterism in functional assays. J Pharmacol Exp Ther. 2005 Nov; 315(2):740-54. PMID: 16046613.
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    36. Ehlert F, Griffin MT, Abe DM, Vo TH, Taketo MM, Manabe T, Matsui M. The M2 muscarinic receptor mediates contraction through indirect mechanisms in mouse urinary bladder. J Pharmacol Exp Ther. 2005 Apr; 313(1):368-78. PMID: 15608083.
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    37. Matsui M, Yamada S, Oki T, Manabe T, Taketo MM, Ehlert F. Functional analysis of muscarinic acetylcholine receptors using knockout mice. Life Sci. 2004 Nov 05; 75(25):2971-81. PMID: 15474550.
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    38. Ehlert F, Hsu JC, Leung K, Lee AG, Shehnaz D, Griffin MT. Comparison of the antimuscarinic action of p-fluorohexahydrosiladifenidol in ileal and tracheal smooth muscle. J Pharmacol Exp Ther. 2005 Feb; 312(2):592-600. PMID: 15456838.
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    39. Ehlert F. Contractile role of M2 and M3 muscarinic receptors in gastrointestinal, airway and urinary bladder smooth muscle. Life Sci. 2003 Dec 05; 74(2-3):355-66. PMID: 14607264.
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    40. Griffin MT, Matsui M, Shehnaz D, Ansari KZ, Taketo MM, Manabe T, Ehlert F. Muscarinic agonist-mediated heterologous desensitization in isolated ileum requires activation of both muscarinic M2 and M3 receptors. J Pharmacol Exp Ther. 2004 Jan; 308(1):339-49. PMID: 14563784.
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    41. Griffin MT, Hsu JC, Shehnaz D, Ehlert F. Comparison of the pharmacological antagonism of M2 and M3 muscarinic receptors expressed in isolation and in combination. Biochem Pharmacol. 2003 Apr 15; 65(8):1227-41. PMID: 12694864.
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    42. Matsui M, Griffin MT, Shehnaz D, Taketo MM, Ehlert F. Increased relaxant action of forskolin and isoproterenol against muscarinic agonist-induced contractions in smooth muscle from M2 receptor knockout mice. J Pharmacol Exp Ther. 2003 Apr; 305(1):106-13. PMID: 12649358.
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    43. Ehlert F. Pharmacological analysis of the contractile role of M2 and M3 muscarinic receptors in smooth muscle. Receptors Channels. 2003; 9(4):261-77. PMID: 12893538.
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    44. Lin DC, Bullock CM, Ehlert F, Chen JL, Tian H, Zhou QY. Identification and molecular characterization of two closely related G protein-coupled receptors activated by prokineticins/endocrine gland vascular endothelial growth factor. J Biol Chem. 2002 May 31; 277(22):19276-80. PMID: 11886876.
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    45. Ehlert F, Ansari KZ, Shehnaz D, Sawyer GW, Griffin MT. Acetylcholine-induced desensitization of muscarinic contractile response in Guinea pig ileum is inhibited by pertussis toxin treatment. J Pharmacol Exp Ther. 2001 Dec; 299(3):1126-32. PMID: 11714903.
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    46. Shehnaz D, Ansari KZ, Ehlert F. Acetylcholine-induced desensitization of the contractile response to histamine in Guinea pig ileum is prevented by either pertussis toxin treatment or by selective inactivation of muscarinic M(3) receptors. J Pharmacol Exp Ther. 2001 Jun; 297(3):1152-9. PMID: 11356941.
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    47. Li M, Bullock CM, Knauer DJ, Ehlert F, Zhou QY. Identification of two prokineticin cDNAs: recombinant proteins potently contract gastrointestinal smooth muscle. Mol Pharmacol. 2001 Apr; 59(4):692-8. PMID: 11259612.
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    48. Saetrum Opgaard O, Nothacker H, Ehlert F, Krause DN. Human urotensin II mediates vasoconstriction via an increase in inositol phosphates. Eur J Pharmacol. 2000 Oct 13; 406(2):265-71. PMID: 11020490.
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    49. Sawyer GW, Lambrecht G, Ehlert F. Functional role of muscarinic M(2) receptors in alpha,beta-methylene ATP induced, neurogenic contractions in guinea-pig ileum. Br J Pharmacol. 2000 Apr; 129(7):1458-64. PMID: 10742302; PMCID: PMC1571964.
    50. Quock RM, Burkey TH, Varga E, Hosohata Y, Hosohata K, Cowell SM, Slate CA, Ehlert F, Roeske WR, Yamamura HI. The delta-opioid receptor: molecular pharmacology, signal transduction, and the determination of drug efficacy. Pharmacol Rev. 1999 Sep; 51(3):503-32. PMID: 10471416.
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    51. Ehlert F, Griffin MT, Sawyer GW, Bailon R. A simple method for estimation of agonist activity at receptor subtypes: comparison of native and cloned M3 muscarinic receptors in guinea pig ileum and transfected cells. J Pharmacol Exp Ther. 1999 May; 289(2):981-92. PMID: 10215678.
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    52. Sawyer GW, Ehlert F. Muscarinic M3 receptor inactivation reveals a pertussis toxin-sensitive contractile response in the guinea pig colon: evidence for M2/M3 receptor interactions. J Pharmacol Exp Ther. 1999 Apr; 289(1):464-76. PMID: 10087039.
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    53. Ostrom RS, Ehlert F. Comparison of functional antagonism between isoproterenol and M2 muscarinic receptors in guinea pig ileum and trachea. J Pharmacol Exp Ther. 1999 Mar; 288(3):969-76. PMID: 10027833.
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    54. Ehlert F, Sawyer GW, Esqueda EE. Contractile role of M2 and M3 muscarinic receptors in gastrointestinal smooth muscle. Life Sci. 1999; 64(6-7):387-94. PMID: 10069501.
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    55. Ostrom RS, Ehlert F. M2 muscarinic receptors inhibit forskolin- but not isoproterenol-mediated relaxation in bovine tracheal smooth muscle. J Pharmacol Exp Ther. 1998 Jul; 286(1):234-42. PMID: 9655865.
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    56. Ehlert F, Griffin MT. The use of irreversible ligands to inactivate receptor subtypes: 4-DAMP mustard and muscarinic receptors in smooth muscle. Life Sci. 1998; 62(17-18):1659-64. PMID: 9585153.
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    57. Burkey TH, Ehlert F, Hosohata Y, Quock RM, Cowell S, Hosohata K, Varga E, Stropova D, Li X, Slate C, Nagase H, Porreca F, Hruby VJ, Roeske WR, Yamamura HI. The efficacy of delta-opioid receptor-selective drugs. Life Sci. 1998; 62(17-18):1531-6. PMID: 9585131.
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    58. Sawyer GW, Ehlert F. Contractile roles of the M2 and M3 muscarinic receptors in the guinea pig colon. J Pharmacol Exp Ther. 1998 Jan; 284(1):269-77. PMID: 9435187.
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    59. Burkey TH, Quock RM, Consroe P, Ehlert F, Hosohata Y, Roeske WR, Yamamura HI. Relative efficacies of cannabinoid CB1 receptor agonists in the mouse brain. Eur J Pharmacol. 1997 Oct 08; 336(2-3):295-8. PMID: 9384246.
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    60. Ehlert F, Ostrom RS, Sawyer GW. Subtypes of the muscarinic receptor in smooth muscle. Life Sci. 1997; 61(18):1729-40. PMID: 9365220.
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    61. Ostrom RS, Ehlert F. M2 muscarinic receptor inhibition of agonist-induced cyclic adenosine monophosphate accumulation and relaxation in the guinea pig ileum. J Pharmacol Exp Ther. 1997 Jan; 280(1):189-99. PMID: 8996196.
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    62. Ehlert F, Griffin MT, Glidden PF. The interaction of the enantiomers of aceclidine with subtypes of the muscarinic receptor. J Pharmacol Exp Ther. 1996 Dec; 279(3):1335-44. PMID: 8968358.
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    63. Esqueda EE, Gerstin EH, Griffin MT, Ehlert F. Stimulation 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. PMID: 8759038.
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    64. Thomas EA, Ehlert F. Involvement of the M2 muscarinic receptor in contractions of the guinea pig trachea, guinea pig esophagus, and rat fundus. Biochem Pharmacol. 1996 Mar 22; 51(6):779-88. PMID: 8602873.
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    65. Ehlert F, Oliff HS, Griffin MT. The quaternary transformation products of N-(3-chloropropyl)-4-piperidinyl diphenylacetate and N-(2-chloroethyl)-4-piperidinyl diphenylacetate (4-DAMP mustard) have differential affinity for subtypes of the muscarinic receptor. J Pharmacol Exp Ther. 1996 Feb; 276(2):405-10. PMID: 8632303.
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    66. Gerstin EH, Ehlert F. Inhibition of muscarinic stimulated phosphoinositide hydrolysis in the rat parotid gland by cAMP. Life Sci. 1996; 58(2):145-53. PMID: 8606623.
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    67. Ehlert F. The interaction of 4-DAMP mustard with subtypes of the muscarinic receptor. Life Sci. 1996; 58(22):1971-8. PMID: 8637426.
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    68. Ehlert F, Thomas EA. Functional role of M2 muscarinic receptors in the guinea pig ileum. Life Sci. 1995; 56(11-12):965-71. PMID: 10188800.
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    69. Thomas EA, Ehlert F. Pertussis toxin blocks M2 muscarinic receptor-mediated effects on contraction and cyclic AMP in the guinea pig ileum, but not M3-mediated contractions and phosphoinositide hydrolysis. J Pharmacol Exp Ther. 1994 Nov; 271(2):1042-50. PMID: 7965766.
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    70. Ehlert F, Roeske WR, Yamamura HI. Muscarinic receptors and novel strategies for the treatment of age-related brain disorders. Life Sci. 1994; 55(25-26):2135-45. PMID: 7997072.
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    71. Griffin MT, Thomas EA, Ehlert F. Kinetics of activation and in vivo muscarinic receptor binding of N-(2-bromoethyl)-4-piperidinyl diphenylacetate: an analog of 4-DAMP mustard. J Pharmacol Exp Ther. 1993 Jul; 266(1):301-5. PMID: 8331565.
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    72. Thomas EA, Baker SA, Ehlert F. Functional role for the M2 muscarinic receptor in smooth muscle of guinea pig ileum. Mol Pharmacol. 1993 Jul; 44(1):102-10. PMID: 8393516.
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    73. Gerstin EH, Luong T, Ehlert F. Heparin, dextran and trypan blue allosterically modulate M2 muscarinic receptor binding properties and interfere with receptor-mediated inhibition of adenylate cyclase. J Pharmacol Exp Ther. 1992 Dec; 263(3):910-7. PMID: 1281880.
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    74. Griffin MT, Ehlert F. Specific inhibition of isoproterenol-stimulated cyclic AMP accumulation by M2 muscarinic receptors in rat intestinal smooth muscle. J Pharmacol Exp Ther. 1992 Oct; 263(1):221-5. PMID: 1328607.
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    75. Thomas EA, Hsu HH, Griffin MT, Hunter AL, Luong T, Ehlert F. Conversion of N-(2-chloroethyl)-4-piperidinyl diphenylacetate (4-DAMP mustard) to an aziridinium ion and its interaction with muscarinic receptors in various tissues. Mol Pharmacol. 1992 Apr; 41(4):718-26. PMID: 1569923.
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    76. Thomas EA, Ehlert F. Irreversible effects of 4-DAMP mustard on muscarinic receptors in vivo. Proc West Pharmacol Soc. 1992; 35:233-7. PMID: 1502231.
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    77. Garcia-Villalon AL, Krause DN, Ehlert F, Duckles SP. Heterogeneity of muscarinic receptor subtypes in cerebral blood vessels. J Pharmacol Exp Ther. 1991 Jul 01; 258(1):304-10. PMID: 1649298.
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    78. Smith TD, Annis SJ, Ehlert F, Leslie FM. N-[3H]methylscopolamine labeling of non-M1, non-M2 muscarinic receptor binding sites in rat brain. J Pharmacol Exp Ther. 1991 Mar; 256(3):1173-81. PMID: 2005579.
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    79. Ehlert F, Delen FM, Yun SH, Tran P. Differential coupling of subtypes of the muscarinic receptor to signaling mechanisms in brain and peripheral tissues. Adv Exp Med Biol. 1991; 287:301-12. PMID: 1759614.
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    80. Ehlert F, Tran LP. Regional distribution of M1, M2 and non-M1, non-M2 subtypes of muscarinic binding sites in rat brain. J Pharmacol Exp Ther. 1990 Dec; 255(3):1148-57. PMID: 2262898.
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    81. Candell LM, Yun SH, Tran LL, Ehlert F. Differential coupling of subtypes of the muscarinic receptor to adenylate cyclase and phosphoinositide hydrolysis in the longitudinal muscle of the rat ileum. Mol Pharmacol. 1990 Nov; 38(5):689-97. PMID: 2172776.
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    82. Ehlert F, Delen FM. Influence of pH on the binding of scopolamine and N-methylscopolamine to muscarinic receptors in the corpus striatum and heart of rats. Mol Pharmacol. 1990 Jul; 38(1):143-7. PMID: 2370852.
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    83. Ehlert F, Rathbun BE. Signaling through the muscarinic receptor-adenylate cyclase system of the heart is buffered against GTP over a range of concentrations. Mol Pharmacol. 1990 Jul; 38(1):148-58. PMID: 2370853.
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    84. Ehlert F, Delen FM, Yun SH, Liem HA. The interaction of amitriptyline, doxepin, imipramine and their N-methyl quaternary ammonium derivatives with subtypes of muscarinic receptors in brain and heart. J Pharmacol Exp Ther. 1990 Apr; 253(1):13-9. PMID: 2329499.
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    85. Ringdahl B, Mellin C, Ehlert F, Roch M, Rice KM, Jenden DJ. Tertiary 2-haloethylamine derivatives of the muscarinic agent McN-A-343, [4-[[N-(3-chlorophenyl)carbamoyl]oxy]-2-butynyl]trimethylammonium chloride. J Med Chem. 1990 Jan; 33(1):281-6. PMID: 2296024.
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    86. Garcia-Villalon AL, Ehlert F, Krause DN, Duckles SP. Muscarinic M1 receptors stimulate phosphoinositide hydrolysis in bovine cerebral arteries. Life Sci. 1990; 47(23):2163-9. PMID: 2176261.
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    87. Ehlert F, Delen FM, Yun SH, Friedman DJ, Self DW. Coupling of subtypes of the muscarinic receptor to adenylate cyclase in the corpus striatum and heart. J Pharmacol Exp Ther. 1989 Nov; 251(2):660-71. PMID: 2810116.
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    88. Ehlert F. Gallamine allosterically antagonizes muscarinic receptor-mediated inhibition of adenylate cyclase activity in the rat myocardium. J Pharmacol Exp Ther. 1988 Nov; 247(2):596-602. PMID: 3183955.
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    89. Ehlert F. Estimation of the affinities of allosteric ligands using radioligand binding and pharmacological null methods. Mol Pharmacol. 1988 Feb; 33(2):187-94. PMID: 2828914.
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    90. Ehlert F. Correlation between the binding parameters of muscarinic agonists and their inhibition of adenylate cyclase activity. Adv Exp Med Biol. 1988; 236:265-76. PMID: 3071111.
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    91. Ehlert F. Effects of an alkylating derivative of oxotremorine (BM 123A) on heart rate, muscarinic receptors and adenylate cyclase activity in the rabbit myocardium. J Pharmacol Exp Ther. 1987 Jun; 241(3):804-11. PMID: 3598904.
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    92. Ehlert F. Coupling of muscarinic receptors to adenylate cyclase in the rabbit myocardium: effects of receptor inactivation. J Pharmacol Exp Ther. 1987 Jan; 240(1):23-30. PMID: 3806386.
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    93. Ehlert F. The relationship between muscarinic receptor occupancy and adenylate cyclase inhibition in the rabbit myocardium. Mol Pharmacol. 1985 Nov; 28(5):410-21. PMID: 4058422.
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    94. Ehlert F, Jenden DJ. The binding of a 2-chloroethylamine derivative of oxotremorine (BM 123) to muscarinic receptors in the rat cerebral cortex. Mol Pharmacol. 1985 Aug; 28(2):107-19. PMID: 3839562.
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    95. Ringdahl B, Resul B, Ehlert F, Jenden DJ, Dahlbom R. The conversion of 2-chloroalkylamine analogues of oxotremorine to aziridinium ions and their interactions with muscarinic receptors in the guinea pig ileum. Mol Pharmacol. 1984 Sep; 26(2):170-9. PMID: 6332977.
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    96. Ehlert F, Yamamura HI. A comparison of the effects of cinnarizine and related compounds on [3H]nitrendipine binding in the brain, heart and ileum. Life Sci. 1984 Jun 11; 34(24):2347-55. PMID: 6328164.
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    97. Ehlert F, Jenden DJ, Ringdahl B. An alkylating derivative of oxotremorine interacts irreversibly with the muscarinic receptor. Life Sci. 1984 Mar 05; 34(10):985-91. PMID: 6700365.
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    98. Ehlert F, Jenden DJ. Comparison of the muscarinic receptor binding activity of some tertiary amines and their quaternary ammonium analogues. Mol Pharmacol. 1984 Jan; 25(1):46-50. PMID: 6708935.
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    99. Roeske WR, Ehlert F, Barritt DS, Yamanaka K, Rosenberger LB, Yamada S, Yamamura S, Yamamura HI. Recent advances in muscarinic receptor heterogeneity and regulation. Adv Biochem Psychopharmacol. 1983; 36:15-30. PMID: 6344563.
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    100. Ehlert F, Roeske WR, Yamamura HI. A simple and rapid radio-receptor assay for the estimation of acetylcholine. Life Sci. 1982 Jul 26; 31(4):347-54. PMID: 7144444.
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    101. Ehlert F, Roeske WR, Itoga E, Yamamura HI. The binding of [3H]nitrendipine to receptors for calcium channel antagonists in the heart, cerebral cortex, and ileum of rats. Life Sci. 1982 Jun 21; 30(25):2191-202. PMID: 7109844.
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    102. Ehlert F, Ragan P, Chen A, Roeske WR, Yamamura HI. Modulation of benzodiazepine receptor binding: insight into pharmacological efficacy. Eur J Pharmacol. 1982 Feb 26; 78(2):249-53. PMID: 6281035.
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    103. Ehlert F, Roeske WR, Yamamura HI. Striatal muscarinic receptors: regulation by dopaminergic agonists. Life Sci. 1981 May 21; 28(21):2441-8. PMID: 7253832.
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    104. Ehlert F, Roeske WR, Yamamura HI. Mathematical analysis of the kinetics of competitive inhibition in neurotransmitter receptor binding assays. Mol Pharmacol. 1981 May; 19(3):367-71. PMID: 6267444.
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    105. Smit MH, Ehlert F, Yamamura S, Roeske WR, Yamamura HI. Differential regulation of muscarinic agonist binding sites following chronic cholinesterase inhibition. Eur J Pharmacol. 1980 Sep 05; 66(4):379-80. PMID: 7418725.
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    106. Ehlert F, Kokka N, Fairhurst AS. Muscarinic receptor subsensitivity in the longitudinal muscle of the rat ileum following chronic anticholinesterase treatment with diisopropylfluorophosphate. Biochem Pharmacol. 1980 May 15; 29(10):1391-7. PMID: 7396975.
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    107. Ehlert F, Dumont Y, Roeske WR, Yamamura HI. Muscarinic receptor binding in rat brain using the agonist, [3H]cis methyldioxolane. Life Sci. 1980 Mar 24; 26(12):961-7. PMID: 7392777.
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    108. Ehlert F, Roeske WR, Rosenberger LB, Yamamura HI. The influence of guanyl-5'-yl imidodiphosphate and sodium on muscarinic receptor binding in the rat brain and longitudinal muscle of the rat ileum. Life Sci. 1980 Jan 21; 26(3):245-52. PMID: 7360006.
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    109. Ehlert F, Kokka N, Fairhurst AS. Altered [3H]quinuclidinyl benzilate binding in the striatum of rats following chronic cholinesterase inhibition with diisopropylfluorophosphate. Mol Pharmacol. 1980 Jan; 17(1):24-30. PMID: 7383017.
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    110. Ehlert F, Kokka N. Decrease in (3H)-quinuclidinyl bezilate binding to the muscarinic cholinergic receptor in the longitudinal muscle of the rat ileum following chronic administration of diisopropylfuorophosphate. Proc West Pharmacol Soc. 1977; 20:1-7. PMID: 896813.
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