Research Topics
Genomes and Genes
| G MilliganSummaryAffiliation: University of Glasgow Country: UK Publications
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Detail Information
Publications
A single amino acid determines preference between phospholipids and reveals length restriction for activation of the S1P4 receptorGill Holdsworth
Department of NCE Biology, Celltech R and D Ltd, 216 Bath Road, Slough, Berks, SL1 4EN, U K
BMC Biochem 5:12. 2004....
Protein-protein interactions at G-protein-coupled receptorsG Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, G12 8QQ, Glasgow, UK
Trends Pharmacol Sci 22:513-8. 2001....
G protein-coupled receptors for free fatty acidsGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Cell Signal 18:1360-5. 2006....
G-protein-coupled receptor heterodimers: pharmacology, function and relevance to drug discoveryGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, Scotland, UK
Drug Discov Today 11:541-9. 2006....
Heterotrimeric G-proteins: a short historyGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ
Br J Pharmacol 147:S46-55. 2006..Finally, further modifications of such chimeras have generated a range of G-protein alpha-subunits with greater promiscuity to interact across GPCR classes and initiated the use of such modified G-proteins in drug discovery programmes...
Opioid receptors and their interacting proteinsGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Neuromolecular Med 7:51-9. 2005....
Interactions between G-protein-coupled receptors and periplakin: a selective means to regulate G-protein activationG Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Davidson Building, Glasgow G12 8QQ, Scotland, UK
Biochem Soc Trans 32:878-80. 2004..In each case, the site of interaction is within helix VIII of the receptor and periplakin limits agonist-mediated G-protein activation potentially by competing with G-protein for this region of the receptor...
Strategies to identify ligands for orphan G-protein-coupled receptorsG Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, Davidson Building, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Biochem Soc Trans 30:789-93. 2002..A range of currently employed and developing strategies to identify ligands that interact with these orphan receptors and to validate them as drug targets are described and discussed...
Constitutive activity and inverse agonists of G protein-coupled receptors: a current perspectiveGraeme Milligan
Davidson Building, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Mol Pharmacol 64:1271-6. 2003..Considerable attention has recently been devoted to the presence and roles of endogenous antagonist/inverse agonists and the concept that inverse agonists may have specific therapeutic benefits compared with neutral antagonists...
Principles: extending the utility of [35S]GTP gamma S binding assaysGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Scotland, UK
Trends Pharmacol Sci 24:87-90. 2003..Here, the reasons for this restriction are discussed and recent approaches that have extended the utility of this method such that it is now suitable for analysis of the activation of any heterotrimeric G protein are reviewed...
G protein-coupled receptor fusion proteins in drug discoveryG Milligan
Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland UK
Curr Pharm Des 10:1989-2001. 2004..Introduction of N-terminal tags to receptors has also allowed the introduction of novel assay techniques based on a pH-sensitive cyanine dye. These have the capacity to overcome certain limitations of GPCR-fluorescent protein fusions...
G protein-coupled receptor dimerization: function and ligand pharmacologyGraeme Milligan
Molecular Pharmacology Group, Davidson Building, University of Glasgow, Glasgow G12 8QQ Scotland, UK
Mol Pharmacol 66:1-7. 2004..Key questions that remain to be addressed effectively include the prevalence and relevance of these in native tissues and the implications of heterodimerization for pharmacology and, potentially, for drug design...
The use of receptor G-protein fusion proteins for the study of ligand activityGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Scotland, UK
Receptors Channels 8:309-17. 2002....
Selectivity in the oligomerisation of G protein-coupled receptorsGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Semin Cell Dev Biol 15:263-8. 2004..Knowledge of the basis and selectivity of GPCR hetero-dimerisation is thus vital. Current understanding of these areas is reviewed...
High-content assays for ligand regulation of G-protein-coupled receptorsGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK G12 8QQ
Drug Discov Today 8:579-85. 2003..Recent improvements in throughput using high-content screening platforms means that such assays are now an integral element of functional analysis in the drug discovery process...
Applications of bioluminescence- and fluorescence resonance energy transfer to drug discovery at G protein-coupled receptorsGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Eur J Pharm Sci 21:397-405. 2004..Specific applications of resonance energy transfer techniques to the identification of ligands for this class of protein are highlighted to illustrate general principles...
GPCR dimerisationGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Davidson Building, G12 8QQ, Scotland, Glasgow, UK
Life Sci 74:181-8. 2003..Much remains to be examined, however, on the specificity and mechanisms of these interactions and to develop techniques to monitor the function only of hetero-dimers when the corresponding homo-dimers must also be present...
Oligomeric structure of the alpha1b-adrenoceptor: comparisons with rhodopsinGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Vision Res 46:4434-41. 2006..The mutated alpha(1b)-adrenoceptor was unable to reach the cell surface, did not become terminally N-glycosylated and was unable to signal...
Ligand rescue of constitutively active mutant receptorsGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Scotland, UK
Neurosignals 11:29-33. 2002..The application of these observations to the development of a high-throughput reporter assay suitable for ligand identification is also discussed...
The role of GPCR dimerisation/oligomerisation in receptor signallingG Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, G12 8QQ Glasgow, Scotland, UK
Ernst Schering Found Symp Proc 2:145-61. 2006....
Novel pharmacological applications of G-protein-coupled receptor-G protein fusionsGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Curr Opin Pharmacol 7:521-6. 2007....
Uncovering the pharmacology of the G protein-coupled receptor GPR40: high apparent constitutive activity in guanosine 5'-O-(3-[35S]thio)triphosphate binding studies reflects binding of an endogenous agonistLeigh A Stoddart
Davidson Building University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Mol Pharmacol 71:994-1005. 2007....
Allosteric modulation of heterodimeric G-protein-coupled receptorsGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, Scotland, UK
Trends Pharmacol Sci 28:615-20. 2007..In our opinion, this will require the development of new approaches for screening and a return to the use of physiologically relevant cell systems at an early stage in compound identification...
Insights into ligand pharmacology using receptor-G-protein fusion proteinsG Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK G12 8QQ
Trends Pharmacol Sci 21:24-8. 2000..In addition, the effects of point mutations, in both receptors and G proteins, on ligand function are particularly amenable to the types of robust quantitative analyses that can be produced using such fusion proteins...
G protein-coupled receptor dimerisation: molecular basis and relevance to functionGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, Scotland, UK
Biochim Biophys Acta 1768:825-35. 2007..The relevance of this to physiology and function is only beginning to be unravelled but may offer great potential for more selective therapeutic intervention...
G protein coupling and ligand selectivity of the D2L and D3 dopamine receptorsJ Robert Lane
Davidson Building, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
J Pharmacol Exp Ther 325:319-30. 2008..This chimera displayed D(3)-like affinity for [(3)H]spiperone and potency for agonists but gained D(2)-like ability to couple to each of Galpha(i1-3) as well as Galpha(o1)...
G protein-coupled receptor hetero-dimerization: contribution to pharmacology and functionGraeme Milligan
Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK
Br J Pharmacol 158:5-14. 2009..The current review summarizes key recent developments in these topics...
Dimerization of alpha1-adrenoceptorsG Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Biochem Soc Trans 32:847-50. 2004..Key studies in this field are reviewed and the approaches that have been applied to monitoring the selectivity and the basis of alpha(1)-adrenoceptor dimerization are discussed...
Agonism and allosterism: the pharmacology of the free fatty acid receptors FFA2 and FFA3Graeme Milligan
Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK
Br J Pharmacol 158:146-53. 2009....
Oligomerisation of G-protein-coupled receptorsG Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, UK
J Cell Sci 114:1265-71. 2001..However, the majority of studies have relied largely on co-immunoprecipitation techniques, and there is still little direct information on the fraction of receptors existing as oligomers in intact cells...
The role of dimerisation in the cellular trafficking of G-protein-coupled receptorsGraeme Milligan
Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow, Scotland, UK
Curr Opin Pharmacol 10:23-9. 2010..Although dimer/oligomer formation appears to be essential for cell surface delivery of class A and class C GPCRs, this may not be the case for class B receptors...
The specificity and molecular basis of alpha1-adrenoceptor and CXCR chemokine receptor dimerizationGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland
J Mol Neurosci 26:161-8. 2005....
A day in the life of a G protein-coupled receptor: the contribution to function of G protein-coupled receptor dimerizationG Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, Scotland, UK
Br J Pharmacol 153:S216-29. 2008....
The human delta opioid receptor activates G(i1)alpha more efficiently than G(o1)alphaH E Moon
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK
J Neurochem 76:1805-13. 2001....
Ligand regulation of green fluorescent protein-tagged forms of the human beta(1)- and beta(2)-adrenoceptors; comparisons with the unmodified receptorsA J McLean
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ
Br J Pharmacol 130:1825-32. 2000....
Differential capacities of the RGS1, RGS16 and RGS-GAIP regulators of G protein signaling to enhance alpha2A-adrenoreceptor agonist-stimulated GTPase activity of G(o1)alphaM Hoffmann
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK
J Neurochem 78:797-806. 2001....
Detection of receptor ligands by monitoring selective stabilization of a Renilla luciferase-tagged, constitutively active mutant, G-protein-coupled receptorD Ramsay
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, UK
Br J Pharmacol 133:315-23. 2001..As no prior knowledge of receptor ligands is required this approach may be suitable to identify ligands at orphan G protein-coupled receptors...
S 14506: novel receptor coupling at 5-HT(1A) receptorsG Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, University of Glasgow, G12 8QQ, Glasgow, UK
Neuropharmacology 40:334-44. 2001..Thus it is possible to synthesise ligands at G-protein-coupled receptors which are highly potent agonists, but which are structurally related to inverse agonists and show some features of antagonist/inverse agonist binding...
Control of the efficiency of agonist-induced information transfer and stability of the ternary complex containing the delta opioid receptor and the alpha subunit of G(i1) by mutation of a receptor/G protein contact interfaceH E Moon
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Davidson Building, Glasgow G12 8QQ, UK
Neuropharmacology 41:321-30. 2001....
Selective interactions between helix VIII of the human mu-opioid receptors and the C terminus of periplakin disrupt G protein activationGiu Jie Feng
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
J Biol Chem 278:33400-7. 2003..This represents the first example of an opioid receptor-interacting protein that functions to disrupt agonist-mediated G protein activation...
Monitoring receptor oligomerization using time-resolved fluorescence resonance energy transfer and bioluminescence resonance energy transfer. The human delta -opioid receptor displays constitutive oligomerization at the cell surface, which is not regulateM McVey
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland
J Biol Chem 276:14092-9. 2001..However, these are not regulated by ligand occupancy. They also indicate that time-resolved fluorescence resonance energy transfer represents a means to detect such oligomers at the cell surface in populations of intact cells...
Analysis of function of receptor-G-protein and receptor-RGS fusion proteinsRichard J Ward
Molecular Pharmacology Group, University of Glasgow, Scotland, United Kingdom
Methods Mol Biol 259:225-47. 2004..Recently we have begun to supplement this approach with the use of fusions between G-protein-coupled receptors and regulator of G-protein signaling proteins to examine the function of this important group of signaling molecules...
Periplakin interferes with G protein activation by the melanin-concentrating hormone receptor-1 by binding to the proximal segment of the receptor C-terminal tailHannah Murdoch
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
J Biol Chem 280:8208-20. 2005..Periplakin is the first protein described to modify the capacity of the melanin-concentrating hormone-1 receptor to initiate signal transduction...
Analysis of the C-terminal tail of the rat thyrotropin-releasing hormone receptor-1 in interactions and cointernalization with beta-arrestin 1-green fluorescent proteinD A Groarke
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow Scotland, United Kingdom
Mol Pharmacol 59:375-85. 2001....
The CXCR1 and CXCR2 receptors form constitutive homo- and heterodimers selectively and with equal apparent affinitiesShirley Wilson
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
J Biol Chem 280:28663-74. 2005..Di Bartolomeo, S., Lauro, C., Catalano, M., Ciotti, M. T., and Limatola, C. (2003) J. Biol. Chem. 278, 40980-40988)...
Cell surface delivery and structural re-organization by pharmacological chaperones of an oligomerization-defective alpha(1b)-adrenoceptor mutant demonstrates membrane targeting of GPCR oligomersMeritxell Canals
Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow G128QQ, Scotland, UK
Biochem J 417:161-72. 2009....
The human muscarinic M1 acetylcholine receptor, when express in CHO cells, activates and downregulates both Gq alpha and G11 alpha equally and non-selectivelyI Mullaney
Department of Biochemistry, University of Glasgow, Scotland, UK
FEBS Lett 324:241-5. 1993..These data indicate that the HM1 receptor interacts with the activates both Gq alpha and G11 alpha equivalently and non-selectively in a whole cell system in which the receptor has access to both G-proteins...
Efficacy of inverse agonists in cells overexpressing a constitutively active beta2-adrenoceptor and type II adenylyl cyclaseP A Stevens
Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Scotland
Br J Pharmacol 123:335-43. 1998..6 These data demonstrate that inverse agonist efficacy can be modulated by receptor availability and also indicate why in physiological systems, inverse agonism can be difficult to detect...
CXCR2 chemokine receptor antagonism enhances DOP opioid receptor function via allosteric regulation of the CXCR2-DOP receptor heterodimerGeraldine Parenty
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Biochem J 412:245-56. 2008..These results have novel and important implications for the development and use of small-molecule therapeutics...
Engineering a V(2) vasopressin receptor agonist- and regulator of G-protein-signaling-sensitive G proteinGui-Jie Feng
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, Scotland, United Kingdom
Anal Biochem 300:212-20. 2002..This approach provides a sensitive assay for V(2) receptor agonist ligands and may be amenable to many other G(s)alpha-coupled receptors...
Methods to monitor the quaternary structure of G protein-coupled receptorsGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, UK
FEBS J 272:2914-25. 2005..Herein we assess the widely applied techniques and discuss the relative benefits and limitations of these approaches...
Tailoring cAMP-signalling responses through isoform multiplicityM D Houslay
Division of Biochemistry and Molecular Biology, University of Glasgow, Scotland, UK
Trends Biochem Sci 22:217-24. 1997..The ability to breach the PKA activation threshold can depend upon either or both the activation of adenylate cyclase and inhibition of specific PDE isoforms...
Coordinated agonist regulation of receptor and G protein palmitoylation and functional rescue of palmitoylation-deficient mutants of the G protein G11alpha following fusion to the alpha1b-adrenoreceptor: palmitoylation of G11alpha is not required for inteP A Stevens
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
J Biol Chem 276:35883-90. 2001..gamma complex upon agonist stimulation whether or not the G protein can be palmitoylated. They also demonstrate that Ca(2+) signaling in EF88 cells by such fusion proteins is mediated via release of the G protein beta.gamma complex...
Analysis of the relative interactions between the alpha 2C10 adrenoceptor and the guanine-nucleotide-binding proteins G(o)1 alpha and Gi 2 alpha following co-expression of these polypeptides in rat 1 fibroblastsM A Grassie
Molecular Pharmacology Group, University of Glasgow, Scotland, U K
Biochem J 306:525-30. 1995....
The alpha1b-adrenoceptor exists as a higher-order oligomer: effective oligomerization is required for receptor maturation, surface delivery, and functionJuan F Lopez-Gimenez
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, Scotland, United Kingdom
Mol Pharmacol 71:1015-29. 2007....
Concerted stimulation and deactivation of pertussis toxin-sensitive G proteins by chimeric G protein-coupled receptor-regulator of G protein signaling 4 fusion proteins: analysis of the contribution of palmitoylated cysteine residues to the GAP activity oDaljit S Bahia
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK
J Neurochem 85:1289-98. 2003....
β-Arrestin 1 inhibits the GTPase-activating protein function of ARHGAP21, promoting activation of RhoA following angiotensin II type 1A receptor stimulationD F Anthony
Neuroscience and Molecular Pharmacology, Division of Integrative Biology, IBLS, Wolfson Building, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
Mol Cell Biol 31:1066-75. 2011....
Molecular manipulation of G-protein-coupled receptors: a new avenue into drug discoveryM Sautel
Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, UK
Curr Med Chem 7:889-96. 2000....
The alpha 2B adrenergic receptor of undifferentiated neuroblastoma x glioma hybrid NG108-15 cells, interacts directly with the guanine nucleotide binding protein, Gi2S J McClue
Department of Biochemistry, University of Glasgow, Scotland, UK
FEBS Lett 269:430-4. 1990..These results demonstrate a direct interaction of the alpha 2B adrenergic receptor of NG108-15 cells with Gi2...
Inverse agonism at adrenergic and opioid receptors: studies with wild type and constitutively active mutant receptorsG Milligan
Division of Biochemistry and Molecular Biology, University of Glasgow, U K
Receptors Channels 5:209-13. 1997..In the stable cells lines this effect was prevented by co-incubation with neutral antagonists but could not be reproduced by an adenylyl cyclase P-site ligand which also inhibited basal adenylyl cyclase levels...
Agonist-induced transfer of the alpha subunits of the guanine-nucleotide-binding regulatory proteins Gq and G11 and of muscarinic m1 acetylcholine receptors from plasma membranes to a light-vesicular membrane fractionP Svoboda
Department of Biochemistry, University of Glasgow, Scotland
Eur J Biochem 224:455-62. 1994..The second step is represented by an agonist-specific down-regulation pathway. Both the Hm1 receptor and Gq alpha/G11 alpha appear to follow similar sequestration and down-regulation patterns...
International Union of Pharmacology. LXXI. Free fatty acid receptors FFA1, -2, and -3: pharmacology and pathophysiological functionsLeigh A Stoddart
Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow, Scotland, United Kingdom
Pharmacol Rev 60:405-17. 2008..The aim of this review is to provide a comprehensive overview of the current understanding of the pharmacology and physiological role of these fatty acid receptors...
Protean agonism at the dopamine D2 receptor: (S)-3-(3-hydroxyphenyl)-N-propylpiperidine is an agonist for activation of Go1 but an antagonist/inverse agonist for Gi1,Gi2, and Gi3J Robert Lane
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, Scotland, United Kingdom
Mol Pharmacol 71:1349-59. 2007..These results demonstrate (S)-(-)-3-(3-hydroxyphenyl)-N-propylpiperidine to be a protean agonist at the D(2) receptor and may explain in vivo actions of this ligand...
Conserved polar residues in transmembrane domains V, VI, and VII of free fatty acid receptor 2 and free fatty acid receptor 3 are required for the binding and function of short chain fatty acidsLeigh A Stoddart
Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland
J Biol Chem 283:32913-24. 2008..The development of small molecule ligands that interact selectively with these receptors will allow further details of the binding pockets to be elucidated...
Beta-arrestin-dependent spontaneous alpha1a-adrenoceptor endocytosis causes intracellular transportation of alpha-blockers via recycling compartmentsJohn D Pediani
Autonomic Physiology Unit, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Mol Pharmacol 67:992-1004. 2005..We conclude that alpha(1a)-ARs recycle rapidly by an agonist-independent, constitutive, beta-arrestin-dependent process and that this can transport "alpha-blockers" into cells carrying these receptors...
Mutations of beta-arrestin 2 that limit self-association also interfere with interactions with the beta2-adrenoceptor and the ERK1/2 MAPKs: implications for beta2-adrenoceptor signalling via the ERK1/2 MAPKsTian Rui Xu
Sir Henry Welcome Functional Genomics Facility, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Biochem J 413:51-60. 2008..Regulation of beta-arrestin 2 self-association may therefore control beta-arrestin 2-mediated beta2-adrenoceptor-ERK1/2 MAPK signalling...
Opioid regulation of mu receptor internalisation: relevance to the development of tolerance and dependenceJuan F Lopez-Gimenez
Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
CNS Neurol Disord Drug Targets 9:616-26. 2010..Although aspects of this model are controversial, such observations suggest a number of approaches to further enhance the use of morphine as an analgesic...
Expression of Gsalpha, connexin-43, connexin-26, and EP1, 3, and 4 receptors in myometrium of prelabor singleton versus multiple gestations and the effects of mechanical stretch and steroids on GsalphaFiona Lyall
Institute of Medical Genetics, Yorkhill, Glasgow, United Kingdom
J Soc Gynecol Investig 9:299-307. 2002....
Measurement of agonist-dependent and -independent signal initiation of alpha(1b)-adrenoceptor mutants by direct analysis of guanine nucleotide exchange on the G protein galpha(11)Juan J Carrillo
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
J Pharmacol Exp Ther 302:1080-8. 2002....
When simple agonism is not enough: emerging modalities of GPCR ligandsNicola J Smith
Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Mol Cell Endocrinol 331:241-7. 2011..Finally, the concept that efficacy should be defined by the activity of an endogenous ligand will be challenged by the discovery that some ligands act as 'super-agonists' in specific pathways or at certain receptor mutations...
Why are there so many adrenoceptor subtypes?G Milligan
Department of Biochemistry, University of Glasgow, Scotland, U K
Biochem Pharmacol 48:1059-71. 1994
Hormonal regulation of Gi2 alpha-subunit phosphorylation in intact hepatocytesM Bushfield
Department of Biochemistry, University of Glasgow, Scotland, U K
Biochem J 268:449-57. 1990..We suggest that there are two possible sites for the phosphorylation of alpha-Gi2; one for C-kinase and the other for an unidentified kinase whose action is triggered by A-kinase activation...
Interaction of the G-protein G11alpha with receptors and phosphoinositidase C: the contribution of G-protein palmitoylation and membrane associationA Wise
Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Scotland, UK
FEBS Lett 407:257-60. 1997..The degree of stimulation produced by TRH following co-transfection of the palmitoylation-resistant forms of G11alpha compared to the wild-type protein correlated with the amount of membrane-associated G protein...
Mapping binding sites for the PDE4D5 cAMP-specific phosphodiesterase to the N- and C-domains of beta-arrestin using spot-immobilized peptide arraysGeorge S Baillie
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Biochem J 404:71-80. 2007..These data show that the interaction of PDE4D5 with both the N- and C-domains of beta-arrestin 2 are essential for beta2-AR regulation...
The action and mode of binding of thiazolidinedione ligands at free fatty acid receptor 1Nicola J Smith
Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
J Biol Chem 284:17527-39. 2009....
Localization of the succinate receptor in the distal nephron and its signaling in polarized MDCK cellsJoris H Robben
Molecular Pharmacology Group, Division of Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK
Kidney Int 76:1258-67. 2009..Our study suggests that changes in the luminal succinate concentration may regulate several aspects of renal function...
Orexin-1 receptor-cannabinoid CB1 receptor heterodimerization results in both ligand-dependent and -independent coordinated alterations of receptor localization and functionJames Ellis
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
J Biol Chem 281:38812-24. 2006..These studies introduce an entirely novel pharmacological paradigm, whereby ligands modulate the function of receptors for which they have no significant inherent affinity by acting as regulators of receptor heterodimers...
Antibodies that identify only the active conformation of G(i) family G protein alpha subunitsJ Robert Lane
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK
FASEB J 22:1924-32. 2008..Such reagents allow the specific identification of activated G proteins in a native environment and may allow the development of label-free screening assays for G protein-coupled receptor-mediated activation of G(i) family G proteins...
A key serine for the GTPase-activating protein function of regulator of G protein signaling proteins is not a general target for 14-3-3 interactionsRichard J Ward
Molecular Pharmacolofy Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, Davidson Building, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
Mol Pharmacol 68:1821-30. 2005..Although interactions between 14-3-3 proteins and many RGS proteins can be observed, this does not involve this conserved serine and does not inherently modify GAP function...
Regulation of the avidity of ternary complexes containing the human 5-HT(1A) receptor by mutation of a receptor contact site on the interacting G protein alpha subunitPhilip J Welsby
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ
Br J Pharmacol 137:345-52. 2002..7 These results indicate that a higher avidity ternary complex is formed between 8-OH-DPAT, the 5-HT(1A) receptor and G proteins when isoleucine rather than glycine is located at residue(351) of the interacting G protein...
The sustainability of interactions between the orexin-1 receptor and beta-arrestin-2 is defined by a single C-terminal cluster of hydroxy amino acids and modulates the kinetics of ERK MAPK regulationSandra Milasta
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Biochem J 387:573-84. 2005....
Activation of an alpha2A-adrenoceptor-Galphao1 fusion protein dynamically regulates the palmitoylation status of the G protein but not of the receptorElaine Barclay
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Biochem J 385:197-206. 2005....
Reciprocal mutations of highly conserved residues in transmembrane helices 2 and 7 of the alpha(2A)-adrenoceptor restore agonist activation of G(i1)alphaRichard J Ward
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Cell Signal 14:139-44. 2002..By examining alterations in this helix 2-helix 7 microdomain, we further demonstrate the utility of receptor-G-protein fusion proteins to quantitate mutational effects on receptor-G-protein interactions and information transfer...
Dimers of class A G protein-coupled receptors function via agonist-mediated trans-activation of associated G proteinsJuan J Carrillo
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, U.K
J Biol Chem 278:42578-87. 2003..These data demonstrate that dimers of these class A receptors function via trans-activation of associated G proteins...
Functional interactions between the alpha1b-adrenoceptor and Galpha11 are compromised by de-palmitoylation of the G protein but not of the receptorJiri Novotny
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Cell Signal 18:1244-51. 2006....
Chapter 10. Hetero-oligomerization of chemokine receptorsShirley Appelbe
Neuroscience and Molecular Pharmacology, University of Glasgow, Glasgow, Scotland, United Kingdom
Methods Enzymol 461:207-25. 2009..This chapter highlights some of the most common techniques used to investigate chemokine receptor oligomerization...
Construction and analysis of function of G protein-coupled receptor-G protein fusion proteinsGraeme Milligan
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
Methods Enzymol 343:260-73. 2002
Generation and analysis of constitutively active and physically destabilized mutants of the human beta(1)-adrenoceptorAlison J McLean
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, Scotland, United Kingdom
Mol Pharmacol 62:747-55. 2002....
High-affinity interactions between human alpha1A-adrenoceptor C-terminal splice variants produce homo- and heterodimers but do not generate the alpha1L-adrenoceptorDouglas Ramsay
Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Scotland, United Kingdom
Mol Pharmacol 66:228-39. 2004....
Ligand regulation of the quaternary organization of cell surface M3 muscarinic acetylcholine receptors analyzed by fluorescence resonance energy transfer (FRET) imaging and homogeneous time-resolved FRETElisa Alvarez-Curto
Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
J Biol Chem 285:23318-30. 2010..However, conclusions as to the effect of ligands on such complexes may depend on the approach used...
Applications of fluorescence and bioluminescence resonance energy transfer to drug discovery at G protein coupled receptorsElisa Alvarez-Curto
Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK
Anal Bioanal Chem 398:167-80. 2010..In this review we highlight the latest advances in these technologies to illustrate general principles...
Functional complementation and the analysis of opioid receptor homodimerizationGeraldine Pascal
Davidson Building, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Mol Pharmacol 68:905-15. 2005..Because the amino acids modified in the opioid receptors are highly conserved in most rhodopsin-like receptors, this approach should be widely applicable to study the existence and molecular basis of receptor dimerization...
Enhanced detection of receptor constitutive activity in the presence of regulators of G protein signaling: applications to the detection and analysis of inverse agonists and low-efficacy partial agonistsPhilip J Welsby
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, Scotland, United Kingdom
Mol Pharmacol 61:1211-21. 2002..By so doing, it also greatly enhances the ability to detect and analyze the effects of inverse agonists and to discriminate between neutral ligands and those with low levels of positive intrinsic efficacy...
Interactions between the Mas-related receptors MrgD and MrgE alter signalling and trafficking of MrgDSandra Milasta
Molecular Pharmacology Group, Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Scotland, UK
Mol Pharmacol 69:479-91. 2006..Because the Mrg receptors are potential therapeutic targets in pain, these results suggest that efforts to understand the function and regulation of individual Mrg family receptors may require coexpression of relevant pairs...
GPR35 as a Novel Therapeutic TargetA E MacKenzie
Molecular Pharmacology Group, Institute of Neuroscience and Psychology, College of Medical, Veterinary and Life Sciences, University of Glasgow Glasgow, UK
Front Endocrinol (Lausanne) 2:68. 2011....
Angiotensin1-9 antagonises pro-hypertrophic signalling in cardiomyocytes via the angiotensin type 2 receptorM Flores-Muñoz
Institute of Cardiovascular and Medical Sciences, BHF GCRC, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
J Physiol 589:939-51. 2011..28 ± 0.1). In summary, we ascribe a direct biological role for Ang1-9 acting via the AT2R. This has implications for RAS function and identifying new therapeutic targets in cardiovascular disease...
Identification of a novel site within G protein alpha subunits important for specificity of receptor-G protein interactionArne Heydorn
Laboratory for Molecular Pharmacology, The Panum Institute, University of Copenhagen, Copenhagen, Denmark
Mol Pharmacol 66:250-9. 2004....
Mechanism of action of Gq to inhibit G beta gamma modulation of CaV2.2 calcium channels: probed by the use of receptor-G alpha tandemsFederica Bertaso
Department of Pharmacology, University College London, London, United Kingdom
Mol Pharmacol 63:832-43. 2003..The potential sites of phosphorylation are discussed...
Palmitoylation regulates regulators of G-protein signaling (RGS) 16 function. I. Mutation of amino-terminal cysteine residues on RGS16 prevents its targeting to lipid rafts and palmitoylation of an internal cysteine residueAbel Hiol
Metabolic Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA
J Biol Chem 278:19301-8. 2003..L., Waheed, A. A., Hiol, A., Ward, R. J., Davey, P. C., Nini, L., Wang, J., Milligan, G., Jones, T. L. Z., and Druey, K. M. (2003) J. Biol. Chem. 278, 19309-19316) was critical for RGS16 and RGS4 GAP activity...
Palmitoylation regulates regulator of G-protein signaling (RGS) 16 function. II. Palmitoylation of a cysteine residue in the RGS box is critical for RGS16 GTPase accelerating activity and regulation of Gi-coupled signallingJames L Osterhout
Molecular Signal Transduction Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, Maryland 20892, USA
J Biol Chem 278:19309-16. 2003..These results suggest that palmitoylation of a Cys residue in the RGS box is critical for RGS16 and RGS4 GAP activity and their ability to regulate Gi-coupled signaling in mammalian cells...
Allosteric modulation and constitutive activity of fusion proteins between the adenosine A1 receptor and different 351Cys-mutated Gi alpha-subunitsElisabeth Klaasse
Division of Medicinal Chemistry, Leiden/Amsterdam Center for Drug Research, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
Eur J Pharmacol 499:91-8. 2004..In conclusion, A1-Gialpha fusion proteins, especially with 351Cys and 351Ile, can be used as research tools to investigate inverse agonism, due to their increased readout window in [35S]GTPgammaS binding experiments...
