Research Topics
Species | C R GanellinSummaryAffiliation: University College London Country: UK Publications
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Publications
Personal reflections on Sir James Black (1924-2010) and histamineC Robin Ganellin
Department of Chemistry, University College London, Christopher Ingold Laboratories, 20 Gordon Street, London WC1H 0AJ, UK
Inflamm Res 60:103-10. 2011..The characterisation of a second type of histamine receptor revitalised interest in histamine and led to many later studies on the role of histamine in inflammation...
Inhibitors of tripeptidyl peptidase II. 3. Derivation of butabindide by successive structure optimizations leading to a potential general approach to designing exopeptidase inhibitorsC Robin Ganellin
Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, England
J Med Chem 48:7333-42. 2005..4 microM. Molecular modeling, to determine the minimum energy conformations and explain the 1000-fold better affinity of butabindide, indicated that 37 cannot access the likely active conformation of butabindide...
University education of medicinal chemists: comparison of eight countriesC R Ganellin
Department of Chemistry, The Christopher Ingold Laboratories, University College London, 20 Gordon Street, London, UK
Eur J Med Chem 35:163-74. 2000..The evidence suggests that academic training of medicinal chemists equips them to enter a wide range of occupations, many of which are in industry...
Synthesis and structure-activity relationships of dequalinium analogues as K+ channel blockers. Investigations on the role of the charged heterocycleD Galanakis
Department of Chemistry, University College London, U K
J Med Chem 38:595-606. 1995..However, among the heterocycles studied, quinoline is optimal. Furthermore, charge delocalization seems to be important: the higher the degree of delocalization the more potent the compound...
Synthesis and quantitative structure-activity relationships of dequalinium analogues as K+ channel blockers: investigation into the role of the substituent at position 4 of the quinoline ringD Galanakis
Department of Chemistry, University College London, UK
J Med Chem 38:3536-46. 1995..This is consistent with simple charge transfer from the channel to the blocker and may refer to other processes which are important for the strength of the drug-K+ channel interaction such as the desolvation of the compounds...
Synthesis and quantitative structure-activity relationship of a novel series of small conductance Ca(2+)-activated K+ channel blockers related to dequaliniumD Galanakis
Department of Chemistry, University College London, UK
J Med Chem 39:359-70. 1996..17(+/-0.15)ELUMO +5.33(+/-0.76)(n =24, r = 0.85, s = 0.249)]. A possible physical meaning for the ELUMO correlation based upon the principle of maximum hardness is discussed...
Inhibitors of tripeptidyl peptidase II. 2. Generation of the first novel lead inhibitor of cholecystokinin-8-inactivating peptidase: a strategy for the design of peptidase inhibitorsC R Ganellin
Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, England
J Med Chem 43:664-74. 2000..The strategy for this work is explicitly described since it illustrates a possible general approach for peptidase inhibitor design...
Synthesis and pharmacological testing of dequalinium analogues as blockers of the apamin-sensitive Ca(2+)-activated K+ channel: variation of the length of the alkylene chainD Galanakis
Department of Chemistry, University College London, U K
J Med Chem 39:3592-5. 1996..These results are discussed in the context of possible modes of binding of the compounds to the SKCa channel...
Enhancement of hippocampal pyramidal cell excitability by the novel selective slow-afterhyperpolarization channel blocker 3-(triphenylmethylaminomethyl)pyridine (UCL2077)Mala M Shah
Department of Pharmacology, University College London, Gower Street, London WC1E 6BT UK
Mol Pharmacol 70:1494-502. 2006....
Tritylamino aromatic heterocycles and related carbinols as blockers of ca 2+-activated potassium ion channels underlying neuronal hyperpolarizationPatricia A Zunszain
Department of Chemistry, University College London, 20 Gordon Street, UK
Arch Pharm (Weinheim) 335:159-66. 2002..1-1.2 microM) and are much more selective than clotrimazole since they have less effect on the high voltage-activated Ca2+ current...
Synthesis and pharmacological testing of polyaminoquinolines as blockers of the apamin-sensitive Ca2+-activated K+ channel (SK(Ca))David I Fletcher
Department of Chemistry, University College London, 20, Gordon Street, London WC1H 0AJ, UK
Bioorg Med Chem 15:5457-79. 2007..13-0.36 microM). Extension to four aminoquinoline residues increased the potency to IC(50)=93 nM...
Synthesis, molecular modeling, and K+ channel-blocking activity of dequalinium analogues having semirigid linkersJ Campos Rosa
Department of Chemistry, University College London, U K
J Med Chem 39:4247-54. 1996..These two factors may permit favorable contacts between the quinolinium groups and the channel over a range of intramolecular separations...
Molecular features of the prazosin molecule required for activation of Transport-PJoaquim Fernando Mendes da Silva
Department of Chemistry, Christopher Ingold Laboratories, University College London, 20 Gordon Street, London WC1H 0AJ, UK
Bioorg Med Chem 16:7254-63. 2008..It is shown that the structure of prazosin appears to be very specific for the activation. Only quinazolines have been found to activate, and the presence of the 6,7-dimethoxy and 4-amino groups appears to be critically important...
Partial structures of ketoconazole as modulators of the large conductance calcium-activated potassium channel (BK(Ca))Eoin C Power
Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK
Bioorg Med Chem Lett 16:887-90. 2006..The properties of the phenoxy moiety seem to determine whether the compounds act to open or block the channel...
Meta-substituted aryl(thio)ethers as potent partial agonists (or antagonists) for the histamine H3 receptor lacking a nitrogen atom in the side chainNadia Pelloux-Léon
Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, England, UK
J Med Chem 47:3264-74. 2004....
Defining determinant molecular properties for the blockade of the apamin-sensitive SKCa channel in guinea-pig hepatocytes: the influence of polarizability and molecular geometryDimitrios Galanakis
Department of Pharmaceutical Chemistry, School of Pharmacy, Aristotelian University of Thessaloniki, 541 24 Thessaloniki, Greece
Bioorg Med Chem Lett 14:4031-5. 2004..The polarizability is not adequate to describe the potency of the most potent blockers with a good stereochemical fit to the channel, presumably due to more specific interactions taking place...
Search for histamine H(3) receptor ligands with combined inhibitory potency at histamine N-methyltransferase: omega-piperidinoalkanamine derivativesSven Grassmann
, , Berlin, Germany
Arch Pharm (Weinheim) 337:533-45. 2004..In this study, new hybrid compounds with a dual mode biological action were developed. These pharmacological agents are valuable leads for further development and candidates for treatment of histamine-dependent disorders...
Bis-quinolinium cyclophanes: toward a pharmacophore model for the blockade of apamin-sensitive SKCa channels in sympathetic neuronsDimitrios Galanakis
Department of Pharmaceutical Chemistry, School of Pharmacy, Aristotelian University of Thessaloniki, Thessaloniki 541 24, Greece
Bioorg Med Chem Lett 14:4231-5. 2004..These are (i) an optimum distance of ca. 5.8A between the centroids of the pyridinium rings of the two quinolinium groups and (ii) a preference for conformations having the quinolinium groups in a synperiplanar orientation...
4-(omega-(alkyloxy)alkyl)-1H-imidazole derivatives as histamine H(3) receptor antagonists/agonistsGalina Meier
, , , 14195 Berlin, Germany
J Med Chem 47:2678-87. 2004..Additionally, selected compounds were functionally investigated in vitro on isolated organs of the guinea-pig at H(3), H(1), and H(2) receptors...
The sleep lipid oleamide may represent an endogenous anticonvulsant: an in vitro comparative study in the 4-aminopyridine rat brain-slice modelAntonios Dougalis
Sunderland Pharmacy School, School of Health, Social and Natural Sciences, University of Sunderland, Wharncliffe Street, Sunderland, SR1 3SD, UK
Neuropharmacology 46:541-54. 2004..cOA does not possess profound antiepileptic actions in our hands compared to CBZ, PB or CRX...
The sleep inducing brain lipid cis-oleamide (cOA) does not modulate serotonergic transmission in the CA1 pyramidal neurons of the hippocampus in vitroAntonios Dougalis
Sunderland Pharmacy School, School of Health, Social and Natural Sciences, University of Sunderland, Chester Road Campus, Wharncliffe Street, Sunderland, SR1 3SD, UK
Neuropharmacology 46:63-73. 2004..In summary, cis-oleamide failed to modulate metabotropic responses to exogenous 5-HT in this microelectrode study at concentrations well in excess of those reported to modulate 5-HT1A and 5-HT2A/C systems in earlier studies...
Novel nonimidazole histamine H3 receptor antagonists: 1-(4-(phenoxymethyl)benzyl)piperidines and related compoundsTibor Mikó
Institut fur Pharmazie, Freie Universitat Berlin, Konigin Luise Strasse 2 4, Germany
J Med Chem 46:1523-30. 2003..Unexpectedly, some of the novel antagonists also showed a slight preference for the human histamine H(3) receptor compared to their affinities for the guinea-pig H(3) receptor...
Influence of bulky substituents on histamine h(3) receptor agonist/antagonist propertiesAstrid Sasse
, , , 14195 Berlin, Germany
J Med Chem 45:4000-10. 2002..07-0.1 mg/kg depending on tissue)...
Piperidino-hydrocarbon compounds as novel non-imidazole histamine H(3)-receptor antagonistsGalina Meier
, , , 14195 Berlin, Germany
Bioorg Med Chem 10:2535-42. 2002..The ED(50) values for 9 and 10 were 1.3 and 1.4mg/kg po, respectively, which is in the potency range of the reference antagonist thioperamide...
Progress in the proxifan class: heterocyclic congeners as novel potent and selective histamine H(3)-receptor antagonistsSven Grassmann
Institut fur Pharmazie, Freie Universitat Berlin, Konigin Luise Strasse 2 4, 14195, Germany
Eur J Pharm Sci 15:367-78. 2002..Thus, these novel H(3)-receptor antagonists are interesting leads for further development...
Development of a new class of nonimidazole histamine H(3) receptor ligands with combined inhibitory histamine N-methyltransferase activityJoachim Apelt
, , , 14195 Berlin, Germany
J Med Chem 45:1128-41. 2002....
Imidazole derivatives as a novel class of hybrid compounds with inhibitory histamine N-methyltransferase potencies and histamine hH3 receptor affinitiesSven Grassmann
, , , 14195 Berlin, Germany
Bioorg Med Chem 11:2163-74. 2003..The most interesting compound (14) is simultaneously a highly potent H(3) receptor ligand (K(i)=4.1nM) and a highly potent HMT inhibitor (IC(50)=24nM), which makes this derivative a valuable pharmacological tool for further development...
