Colleen M Niswender

Author PubWeight™ 88.68‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Allosteric modulation of seven transmembrane spanning receptors: theory, practice, and opportunities for central nervous system drug discovery. J Med Chem 2012 2.10
2 Discovery of novel allosteric modulators of metabotropic glutamate receptor subtype 5 reveals chemical and functional diversity and in vivo activity in rat behavioral models of anxiolytic and antipsychotic activity. Mol Pharmacol 2010 1.93
3 An allosteric potentiator of M4 mAChR modulates hippocampal synaptic transmission. Nat Chem Biol 2007 1.83
4 Structure of a class C GPCR metabotropic glutamate receptor 1 bound to an allosteric modulator. Science 2014 1.81
5 A novel selective muscarinic acetylcholine receptor subtype 1 antagonist reduces seizures without impairing hippocampus-dependent learning. Mol Pharmacol 2009 1.76
6 Discovery and characterization of novel allosteric potentiators of M1 muscarinic receptors reveals multiple modes of activity. Mol Pharmacol 2008 1.68
7 Synthesis and evaluation of a series of heterobiarylamides that are centrally penetrant metabotropic glutamate receptor 4 (mGluR4) positive allosteric modulators (PAMs). J Med Chem 2009 1.59
8 Discovery of the first highly M5-preferring muscarinic acetylcholine receptor ligand, an M5 positive allosteric modulator derived from a series of 5-trifluoromethoxy N-benzyl isatins. J Med Chem 2009 1.57
9 Discovery and characterization of novel subtype-selective allosteric agonists for the investigation of M(1) receptor function in the central nervous system. ACS Chem Neurosci 2010 1.52
10 mGluR4-positive allosteric modulation as potential treatment for Parkinson's disease. Future Med Chem 2009 1.47
11 Functional impact of allosteric agonist activity of selective positive allosteric modulators of metabotropic glutamate receptor subtype 5 in regulating central nervous system function. Mol Pharmacol 2011 1.46
12 Glutamate receptors as therapeutic targets for Parkinson's disease. CNS Neurol Disord Drug Targets 2009 1.30
13 Discovery, synthesis, and structure-activity relationship development of a series of N-4-(2,5-dioxopyrrolidin-1-yl)phenylpicolinamides (VU0400195, ML182): characterization of a novel positive allosteric modulator of the metabotropic glutamate receptor 4 (mGlu(4)) with oral efficacy in an antiparkinsonian animal model. J Med Chem 2011 1.29
14 Discovery and optimization of a novel, selective and brain penetrant M1 positive allosteric modulator (PAM): the development of ML169, an MLPCN probe. Bioorg Med Chem Lett 2010 1.27
15 Discovery of a Novel Chemical Class of mGlu(5) Allosteric Ligands with Distinct Modes of Pharmacology. ACS Chem Neurosci 2010 1.24
16 Recent progress in the development of mGluR4 positive allosteric modulators for the treatment of Parkinson's disease. Curr Top Med Chem 2009 1.24
17 Unique signaling profiles of positive allosteric modulators of metabotropic glutamate receptor subtype 5 determine differences in in vivo activity. Biol Psychiatry 2012 1.22
18 Discovery of molecular switches within the ADX-47273 mGlu5 PAM scaffold that modulate modes of pharmacology to afford potent mGlu5 NAMs, PAMs and partial antagonists. Bioorg Med Chem Lett 2010 1.21
19 Development of a highly potent, novel M5 positive allosteric modulator (PAM) demonstrating CNS exposure: 1-((1H-indazol-5-yl)sulfoneyl)-N-ethyl-N-(2-(trifluoromethyl)benzyl)piperidine-4-carboxamide (ML380). J Med Chem 2014 1.17
20 A novel family of potent negative allosteric modulators of group II metabotropic glutamate receptors. J Pharmacol Exp Ther 2007 1.16
21 Positive allosteric modulators of the metabotropic glutamate receptor subtype 4 (mGluR4). Part II: Challenges in hit-to-lead. Bioorg Med Chem Lett 2008 1.16
22 Investigating metabotropic glutamate receptor 5 allosteric modulator cooperativity, affinity, and agonism: enriching structure-function studies and structure-activity relationships. Mol Pharmacol 2012 1.15
23 The metabotropic glutamate receptor 4-positive allosteric modulator VU0364770 produces efficacy alone and in combination with L-DOPA or an adenosine 2A antagonist in preclinical rodent models of Parkinson's disease. J Pharmacol Exp Ther 2011 1.14
24 Novel allosteric agonists of M1 muscarinic acetylcholine receptors induce brain region-specific responses that correspond with behavioral effects in animal models. J Neurosci 2012 1.13
25 Discovery of N-(4-methoxy-7-methylbenzo[d]thiazol-2-yl)isonicatinamide, ML293, as a novel, selective and brain penetrant positive allosteric modulator of the muscarinic 4 (M4) receptor. Bioorg Med Chem Lett 2012 1.10
26 Chemical modulation of mutant mGlu1 receptors derived from deleterious GRM1 mutations found in schizophrenics. ACS Chem Biol 2014 1.09
27 Group III mGluR regulation of synaptic transmission at the SC-CA1 synapse is developmentally regulated. Neuropharmacology 2007 1.09
28 Synthesis and SAR of novel, 4-(phenylsulfamoyl)phenylacetamide mGlu4 positive allosteric modulators (PAMs) identified by functional high-throughput screening (HTS). Bioorg Med Chem Lett 2010 1.09
29 Re-exploration of the PHCCC Scaffold: Discovery of Improved Positive Allosteric Modulators of mGluR4. ACS Chem Neurosci 2010 1.07
30 Selective activation of M4 muscarinic acetylcholine receptors reverses MK-801-induced behavioral impairments and enhances associative learning in rodents. ACS Chem Neurosci 2014 1.06
31 Discovery, synthesis and characterization of a highly muscarinic acetylcholine receptor (mAChR)-selective M5-orthosteric antagonist, VU0488130 (ML381): a novel molecular probe. ChemMedChem 2014 1.05
32 ML297 (VU0456810), the first potent and selective activator of the GIRK potassium channel, displays antiepileptic properties in mice. ACS Chem Neurosci 2013 1.04
33 Biotransformation of a novel positive allosteric modulator of metabotropic glutamate receptor subtype 5 contributes to seizure-like adverse events in rats involving a receptor agonism-dependent mechanism. Drug Metab Dispos 2013 1.04
34 Synthesis and SAR of centrally active mGlu5 positive allosteric modulators based on an aryl acetylenic bicyclic lactam scaffold. Bioorg Med Chem Lett 2011 1.04
35 Development of a novel, CNS-penetrant, metabotropic glutamate receptor 3 (mGlu3) NAM probe (ML289) derived from a closely related mGlu5 PAM. Bioorg Med Chem Lett 2012 1.03
36 Discovery, synthesis, and structure-activity relationship development of a series of N-(4-acetamido)phenylpicolinamides as positive allosteric modulators of metabotropic glutamate receptor 4 (mGlu(4)) with CNS exposure in rats. J Med Chem 2011 1.01
37 Synthesis and SAR of selective muscarinic acetylcholine receptor subtype 1 (M1 mAChR) antagonists. Bioorg Med Chem Lett 2008 1.01
38 Targeting selective activation of M(1) for the treatment of Alzheimer's disease: further chemical optimization and pharmacological characterization of the M(1) positive allosteric modulator ML169. ACS Chem Neurosci 2012 1.01
39 The role of aldehyde oxidase and xanthine oxidase in the biotransformation of a novel negative allosteric modulator of metabotropic glutamate receptor subtype 5. Drug Metab Dispos 2012 0.99
40 Practical Strategies and Concepts in GPCR Allosteric Modulator Discovery: Recent Advances with Metabotropic Glutamate Receptors. Chem Rev 2016 0.97
41 Dihydrothiazolopyridone derivatives as a novel family of positive allosteric modulators of the metabotropic glutamate 5 (mGlu5) receptor. J Med Chem 2013 0.97
42 Discovery of ML326: The first sub-micromolar, selective M5 PAM. Bioorg Med Chem Lett 2013 0.97
43 Selective actions of novel allosteric modulators reveal functional heteromers of metabotropic glutamate receptors in the CNS. J Neurosci 2014 0.96
44 Discovery of a selective M₄ positive allosteric modulator based on the 3-amino-thieno[2,3-b]pyridine-2-carboxamide scaffold: development of ML253, a potent and brain penetrant compound that is active in a preclinical model of schizophrenia. Bioorg Med Chem Lett 2012 0.95
45 Synthesis and SAR of a novel positive allosteric modulator (PAM) of the metabotropic glutamate receptor 4 (mGluR4). Bioorg Med Chem Lett 2009 0.95
46 Exploration of allosteric agonism structure-activity relationships within an acetylene series of metabotropic glutamate receptor 5 (mGlu5) positive allosteric modulators (PAMs): discovery of 5-((3-fluorophenyl)ethynyl)-N-(3-methyloxetan-3-yl)picolinamide (ML254). J Med Chem 2013 0.95
47 Optimization of an ether series of mGlu5 positive allosteric modulators: molecular determinants of MPEP-site interaction crossover. Bioorg Med Chem Lett 2012 0.94
48 Development of Novel, CNS Penetrant Positive Allosteric Modulators for the Metabotropic Glutamate Receptor Subtype 1 (mGlu1), Based on an N-(3-Chloro-4-(1,3-dioxoisoindolin-2-yl)phenyl)-3-methylfuran-2-carboxamide Scaffold, That Potentiate Wild Type and Mutant mGlu1 Receptors Found in Schizophrenics. J Med Chem 2015 0.94
49 Chemical modification of the M(1) agonist VU0364572 reveals molecular switches in pharmacology and a bitopic binding mode. ACS Chem Neurosci 2012 0.93
50 mGluR7's lucky number. Proc Natl Acad Sci U S A 2006 0.93
51 Discovery of the first M5-selective and CNS penetrant negative allosteric modulator (NAM) of a muscarinic acetylcholine receptor: (S)-9b-(4-chlorophenyl)-1-(3,4-difluorobenzoyl)-2,3-dihydro-1H-imidazo[2,1-a]isoindol-5(9bH)-one (ML375). J Med Chem 2013 0.92
52 Tetrahydronaphthyridine and dihydronaphthyridinone ethers as positive allosteric modulators of the metabotropic glutamate receptor 5 (mGlu₅). J Med Chem 2014 0.92
53 Cell-type specific expression of a dominant negative PKA mutation in mice. PLoS One 2011 0.91
54 Isatin replacements applied to the highly selective, muscarinic M1 PAM ML137: continued optimization of an MLPCN probe molecule. Bioorg Med Chem Lett 2012 0.90
55 Discovery of 2-(2-benzoxazoyl amino)-4-aryl-5-cyanopyrimidine as negative allosteric modulators (NAMs) of metabotropic glutamate receptor 5 (mGlu₅): from an artificial neural network virtual screen to an in vivo tool compound. ChemMedChem 2012 0.90
56 Discovery of VU0409106: A negative allosteric modulator of mGlu5 with activity in a mouse model of anxiety. Bioorg Med Chem Lett 2013 0.88
57 A novel class of succinimide-derived negative allosteric modulators of metabotropic glutamate receptor subtype 1 provides insight into a disconnect in activity between the rat and human receptors. ACS Chem Neurosci 2014 0.88
58 Pharmacology of metabotropic glutamate receptor allosteric modulators: structural basis and therapeutic potential for CNS disorders. Prog Mol Biol Transl Sci 2013 0.87
59 M5 receptor activation produces opposing physiological outcomes in dopamine neurons depending on the receptor's location. J Neurosci 2014 0.87
60 Continued optimization of the MLPCN probe ML071 into highly potent agonists of the hM1 muscarinic acetylcholine receptor. Bioorg Med Chem Lett 2012 0.86
61 Melanocyte-lineage expression of Cre recombinase using Mitf regulatory elements. Pigment Cell Melanoma Res 2008 0.86
62 Further exploration of M₁ allosteric agonists: subtle structural changes abolish M₁ allosteric agonism and result in pan-mAChR orthosteric antagonism. Bioorg Med Chem Lett 2012 0.85
63 Octahydropyrrolo[3,4-c]pyrrole negative allosteric modulators of mGlu1. Bioorg Med Chem Lett 2013 0.84
64 Substituted 1-Phenyl-3-(pyridin-2-yl)urea negative allosteric modulators of mGlu5: discovery of a new tool compound VU0463841 with activity in rat models of cocaine addiction. ACS Chem Neurosci 2013 0.84
65 Development of a more highly selective M(1) antagonist from the continued optimization of the MLPCN Probe ML012. Bioorg Med Chem Lett 2011 0.83
66 Synthesis and SAR of a novel metabotropic glutamate receptor 4 (mGlu4) antagonist: unexpected 'molecular switch' from a closely related mGlu4 positive allosteric modulator. Bioorg Med Chem Lett 2011 0.83
67 Discovery, Synthesis, and Preclinical Characterization of N-(3-Chloro-4-fluorophenyl)-1H-pyrazolo[4,3-b]pyridin-3-amine (VU0418506), a Novel Positive Allosteric Modulator of the Metabotropic Glutamate Receptor 4 (mGlu4). ACS Chem Neurosci 2016 0.83
68 Heterotropic activation of the midazolam hydroxylase activity of CYP3A by a positive allosteric modulator of mGlu5: in vitro to in vivo translation and potential impact on clinically relevant drug-drug interactions. Drug Metab Dispos 2013 0.82
69 Development of novel M1 antagonist scaffolds through the continued optimization of the MLPCN probe ML012. Bioorg Med Chem Lett 2012 0.82
70 Discovery and SAR of a novel series of non-MPEP site mGlu₅ PAMs based on an aryl glycine sulfonamide scaffold. Bioorg Med Chem Lett 2012 0.82
71 Activation of group II metabotropic glutamate receptors induces long-term depression of excitatory synaptic transmission in the substantia nigra pars reticulata. Neurosci Lett 2011 0.81
72 Identification of positive allosteric modulators VU0155094 (ML397) and VU0422288 (ML396) reveals new insights into the biology of metabotropic glutamate receptor 7. ACS Chem Neurosci 2014 0.80
73 Solution-phase parallel synthesis and SAR of homopiperazinyl analogs as positive allosteric modulators of mGlu₄. ACS Comb Sci 2011 0.80
74 Functional selectivity induced by mGlu₄ receptor positive allosteric modulation and concomitant activation of Gq coupled receptors. Neuropharmacology 2012 0.80
75 Iterative experimental and virtual high-throughput screening identifies metabotropic glutamate receptor subtype 4 positive allosteric modulators. J Mol Model 2012 0.80
76 N-Acyl-N'-arylpiperazines as negative allosteric modulators of mGlu1: identification of VU0469650, a potent and selective tool compound with CNS exposure in rats. Bioorg Med Chem Lett 2013 0.80
77 Spirocyclic replacements for the isatin in the highly selective, muscarinic M1 PAM ML137: the continued optimization of an MLPCN probe molecule. Bioorg Med Chem Lett 2013 0.79
78 Discovery of (S)-2-cyclopentyl-N-((1-isopropylpyrrolidin2-yl)-9-methyl-1-oxo-2,9-dihydro-1H-pyrrido[3,4-b]indole-4-carboxamide (VU0453379): a novel, CNS penetrant glucagon-like peptide 1 receptor (GLP-1R) positive allosteric modulator (PAM). J Med Chem 2014 0.78
79 Discovery and development of a potent and highly selective small molecule muscarinic acetylcholine receptor subtype I (mAChR 1 or M1) antagonist in vitro and in vivo probe. Curr Top Med Chem 2009 0.78
80 The metabotropic glutamate receptor 8 agonist (S)-3,4-DCPG reverses motor deficits in prolonged but not acute models of Parkinson's disease. Neuropharmacology 2012 0.77
81 Development and Antiparkinsonian Activity of VU0418506, a Selective Positive Allosteric Modulator of Metabotropic Glutamate Receptor 4 Homomers without Activity at mGlu2/4 Heteromers. ACS Chem Neurosci 2016 0.76
82 Approaches for probing allosteric interactions at 7 transmembrane spanning receptors. Prog Mol Biol Transl Sci 2013 0.75
83 MAOS ls for the general synthesis and lead optimization of 3,6-disubstituted-[1,2,4]triazolo[4,3-b]pyridazines. Tetrahedron Lett 2009 0.75
84 Synthesis and biological characterization of a series of novel diaryl amide M₁ antagonists. Bioorg Med Chem Lett 2012 0.75
85 Discovery of N-(5-fluoropyridin-2-yl)-6-methyl-4-(pyrimidin-5-yloxy)picolinamide (VU0424238): A novel negative allosteric modulator of metabotropic glutamate receptor subtype 5 selected for clinical evaluation. J Med Chem 2017 0.75
86 The Role of mGlu Receptors in Hippocampal Plasticity Deficits in Neurological and Psychiatric Disorders: Implications for Allosteric Modulators as Novel Therapeutic Strategies. Curr Neuropharmacol 2016 0.75
87 Genetic reduction or negative modulation of mGlu7 does not impact anxiety and fear learning phenotypes in a mouse model of MECP2 Duplication syndrome. ACS Chem Neurosci 2017 0.75