Research Topics
| H WiseSummaryAffiliation: The Chinese University of Hong Kong Country: China Publications
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Detail Information
Publications
The roles played by highly truncated splice variants of G protein-coupled receptorsHelen Wise
School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, SAR, China
J Mol Signal 7:13. 2012..So, instead of assuming that highly truncated GPCRs are associated with faulty transcription processes, it is time to reassess their potential benefit to the host organism...
Lack of interaction between prostaglandin E2 receptor subtypes in regulating adenylyl cyclase activity in cultured rat dorsal root ganglion cellsHelen Wise
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong S A R, China
Eur J Pharmacol 535:69-77. 2006..In conclusion, PGE2 mediated increases in adenylyl cyclase activity in primary sensory neurones is likely to be mediated by activation of prostanoid EP4 receptors, and is not under inhibitory control by prostanoid EP3 receptors...
Activation of the prostaglandin EP4-receptor subtype is highly coupled to inhibition of N-formyl-methionyl-leucyl-phenylalanine-stimulated rat neutrophil aggregationH Wise
Department of Pharmacology, The Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories
Prostaglandins Leukot Essent Fatty Acids 58:77-84. 1998....
Multiple signalling options for prostacyclinHelen Wise
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
Acta Pharmacol Sin 24:625-30. 2003..This review will highlight the different signalling options available to prostacyclin, and discuss the consequences for cell responses...
Properties of chimeric prostacyclin/prostaglandin D2 receptors: site-directed mutagenesis reveals the significance of the isoleucine residue at position 323Helen Wise
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
J Recept Signal Transduct Res 23:83-97. 2003..Site-directed mutagenesis studies suggest that isoleucine at position 323 in the IPN-VII/DPC receptor plays an important role in mediating the increased potency of this chimeric receptor...
Prostanoid signal integration and cross talkH Wise
Department of Pharmacology, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, SAR, China
Neurosignals 11:20-8. 2002....
Characterization of chimeric prostacyclin/prostaglandin D(2) receptorsH Wise
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, People s Republic of China
Eur J Pharmacol 386:89-96. 1999..Therefore, substitution of just the carboxyl-terminal tail of the IP receptor by that of the DP receptor appears to result in a chimeric IP/DP receptor with all the properties of a constitutively-active receptor...
Prostacyclin receptor-independent inhibition of phospholipase C activity by non-prostanoid prostacyclin mimeticsK B Chow
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong S.A.R, China
Br J Pharmacol 134:1375-84. 2001..These results suggest that non-prostanoid prostacyclin mimetics can specifically inhibit [(3)H]-inositol phosphate production by targeting G(q/11) and/or phospholipase C in CHO cells, and that this effect is independent of IP receptors...
Nerve growth factor-induced differentiation of PC12 cells is accompanied by elevated adenylyl cyclase activityH S Yung
School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, SAR, China
Neurosignals 18:32-42. 2010..These findings highlight that NGF has a subtle influence on adenylyl cyclase activity in PC12 cells which may influence more than the neurite extension process classically associated with neuronal differentiation...
Factors affecting prostacyclin receptor agonist efficacy in different cell typesY Kam
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, SAR, Hong Kong, China
Cell Signal 13:841-7. 2001..Furthermore, protein kinase A (PKA) inhibition appears to enhance IP receptor signalling through both G(s) and G(q) in mIP-CHO cells...
Regulation of prostacyclin and prostaglandin E(2) receptor mediated responses in adult rat dorsal root ganglion cells, in vitroD K Rowlands
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong S.A.R, China
Br J Pharmacol 133:13-22. 2001....
Investigation of the prostacyclin (IP) receptor antagonist RO1138452 on isolated blood vessel and platelet preparationsR L Jones
Department of Pharmacology, Faculty of Medicine, Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
Br J Pharmacol 149:110-20. 2006..The current study examined the utility of the recently described prostacyclin (prostanoid IP) receptor antagonist RO1138452 (2-(4-(4-isopropoxybenzyl)-phenylamino) imidazoline) as a tool for classifying prostanoid receptors...
Agonists can discriminate between cloned human and mouse prostacyclin receptorsK B S Chow
Department of Pharmacology, Faculty of Medicine, Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
Prostaglandins Leukot Essent Fatty Acids 70:423-9. 2004..A further distinction between hIP and mIP receptors was found with taprostene, which had greater efficacy at hIP receptors (AC 94%, PLC 14%) than at mIP receptors (AC 77%, PLC 0%) (cicaprost=100% in each assay)...
Prostacyclin receptor-mediated activation of extracellular signal-regulated kinases 1 and 2Kit Man Chu
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong S.A.R, China
Cell Signal 16:477-86. 2004..Therefore, IP receptor-mediated activation of ERK1/2 in CHO cells occurs through a Gq/11/protein kinase C-dependent and a phosphoinoside 3-kinase-dependent process which is insensitive to IP receptor-generated cyclic AMP...
Gi-coupled prostanoid receptors are the likely targets for COX-1-generated prostanoids in rat pheochromocytoma (PC12) cellsH S Yung
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
Prostaglandins Leukot Essent Fatty Acids 81:65-71. 2009..The functional role of NGF-stimulated COX-1 remains to be determined since we found no strong evidence of a role for EP3 receptors in the morphological changes induced by NGF during the early stages of differentiation of PC12 cells...
Protein kinase A-dependent coupling of mouse prostacyclin receptors to Gi is cell-type dependentKevin B S Chow
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
Eur J Pharmacol 474:7-13. 2003..Therefore, although both human and mouse IP receptors couple to Gs and Gq/11-mediated signalling pathways in a cell type-dependent manner, we could find no evidence for IP receptor coupling to Gi...
The constitutive activity of ghrelin receptors is decreased by co-expression with vasoactive prostanoid receptors when over-expressed in human embryonic kidney 293 cellsKevin B S Chow
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
Int J Biochem Cell Biol 40:2627-37. 2008....
Prostacyclin receptor-induced STAT3 phosphorylation in human erythroleukemia cells is mediated via Galpha(s) and Galpha(16) hybrid signalingRico K H Lo
Department of Biochemistry, Molecular Neuroscience Center, and Biotechnology Research Institute, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
Cell Signal 20:2095-106. 2008..Taken together, our observations illustrate that co-stimulation of G(s) and G(q) can result in the fine-tuning of STAT3 activation status, and this may provide the basis for cell type-specific responses following activation of hIP...
Identification and characterization of surrogate peptide ligand for orphan G protein-coupled receptor mas using phage-displayed peptide libraryRama Kamesh Bikkavilli
Department of Biochemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
Biochem Pharmacol 71:319-37. 2006....
Isolated dorsal root ganglion neurones inhibit receptor-dependent adenylyl cyclase activity in associated glial cellsK Y Ng
School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong
Br J Pharmacol 168:746-60. 2013....
The constitutive activity of the ghrelin receptor attenuates apoptosis via a protein kinase C-dependent pathwayPui Ngan Lau
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
Mol Cell Endocrinol 299:232-9. 2009..In conclusion, our data suggests that the constitutive activity of sbGHS-R1a may be sufficient alone to attenuate apoptosis via a protein kinase C-dependent pathway...
Differential and synergistic effect of nerve growth factor and cAMP on the regulation of early response genes during neuronal differentiationYu Pong Ng
Department of Biochemistry, Biotechnology Research Institute and Molecular Neuroscience Center, Hong Kong, SAR, China
Neurosignals 17:111-20. 2009..Our observations provide novel insights on the signalling mechanisms underlying the regulation of neuronal differentiation by NGF and cAMP...
Prostacyclin receptor induces STAT1 and STAT3 phosphorylations in human erythroleukemia cells: a mechanism requiring PTX-insensitive G proteins, ERK and JNKRico K H Lo
Department of Biochemistry, Molecular Neuroscience Center, and Biotechnology Research Institute, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
Cell Signal 18:307-17. 2006..Taken together, these results demonstrate for the first time that hIP activation by cicaprost can lead to STAT1 and STAT3 phosphorylations via signaling pathways involving PTX-insensitive G proteins, ERK and JNK...
The role of glial cells in influencing neurite extension by dorsal root ganglion cellsKai Yu Ng
School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
Neuron Glia Biol 6:19-29. 2010....
Signal transduction mechanism of the seabream growth hormone secretagogue receptorChi-Bun Chan
Department of Biochemistry, The Chinese University of Hong Kong, Shatin, N.T, Hong Kong, China
FEBS Lett 577:147-53. 2004..Moreover, sbGHSR-1a may trigger multiple signal transduction cascades to exert its physiological functions...
Over-expression of the truncated ghrelin receptor polypeptide attenuates the constitutive activation of phosphatidylinositol-specific phospholipase C by ghrelin receptors but has no effect on ghrelin-stimulated extracellular signal-regulated kinase 1/2 acKit Man Chu
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, SAR, China
Int J Biochem Cell Biol 39:752-64. 2007....
The truncated ghrelin receptor polypeptide (GHS-R1b) acts as a dominant-negative mutant of the ghrelin receptorPo Ki Leung
Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
Cell Signal 19:1011-22. 2007..Therefore, GHS-R1b appears to act as a dominant-negative mutant of the full-length GRLN-R...
