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Genomes and Genes | Philip M CumminsSummaryAffiliation: Dublin City University Country: Ireland Publications
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Publications
Occludin: one protein, many formsPhilip M Cummins
School of Biotechnology and Centre for Preventive Medicine, Dublin City University, Dublin, Ireland
Mol Cell Biol 32:242-50. 2012..Mechanistic concepts such as splice variance and alternate promoter usage, proteolysis, phosphorylation, dimerization, and ubiquitination are comprehensively examined, and possible avenues for future investigation highlighted...
Cyclic strain-mediated matrix metalloproteinase regulation within the vascular endothelium: a force to be reckoned withPhilip M Cummins
Vascular Health Research Centre, Faculty of Science and Health, Dublin City Univ, Dublin, Ireland
Am J Physiol Heart Circ Physiol 292:H28-42. 2007..Possible relevance of these phenomena to vascular endothelial dysfunction and pathological remodeling are also addressed...
Regulation of bovine brain microvascular endothelial tight junction assembly and barrier function by laminar shear stressOlga C Colgan
Vascular Health Research Centre, Dublin City University, Glasnevin, Dublin 9, Ireland
Am J Physiol Heart Circ Physiol 292:H3190-7. 2007..Shear stress upregulates BBMvEC barrier function at the molecular level via modulation of expression, association, and localization of occludin and ZO-1. The pulsatile shear model appeared to give the most profound biochemical responses...
Cyclic strain-mediated regulation of vascular endothelial cell migration and tube formationNicholas Von Offenberg Sweeney
Vascular Health Research Centre, Faculty of Science and Health, Dublin City University, Dublin 9, Ireland
Biochem Biophys Res Commun 329:573-82. 2005..Moreover, we demonstrate for the first time a putative role for MMP-9 in both strain-induced events, whilst RGD-dependent integrins and uPA appear only to be involved in strain-induced tube formation...
Helicobacter pylori-induced inhibition of vascular endothelial cell functions: a role for VacA-dependent nitric oxide reductionNicholas P Tobin
School of Biotechnology, Dublin City University, Dublin, Ireland
Am J Physiol Heart Circ Physiol 295:H1403-13. 2008..Specifically, the VacA-dependent reduction in endothelial NO is indicated in these events. The atheroprotective impact of laminar shear stress in this context is also evident...
Influence of basolateral condition on the regulation of brain microvascular endothelial tight junction properties and barrier functionOlga C Colgan
Faculty of Science and Health, School of Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
Brain Res 1193:84-92. 2008....
Notch-mediated CBF-1/RBP-J{kappa}-dependent regulation of human vascular smooth muscle cell phenotype in vitroDavid Morrow
Vascular Health Research Centre, Faculty of Science and Health, Dublin City University, Dublin 9, Ireland
Am J Physiol Cell Physiol 289:C1188-96. 2005....
Cyclic strain inhibits Notch receptor signaling in vascular smooth muscle cells in vitroDavid Morrow
Vascular Health Research Centre, Faculty of Science and Health, Dublin City University, Dublin, Ireland
Circ Res 96:567-75. 2005..These findings suggest that cyclic strain inhibits SMC growth while enhancing SMC apoptosis, in part, through regulation of Notch receptor and downstream target gene expression...
Down-regulation of neprilysin (EC3.4.24.11) expression in vascular endothelial cells by laminar shear stress involves NADPH oxidase-dependent ROS productionPaul A Fitzpatrick
School of Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
Int J Biochem Cell Biol 41:2287-94. 2009..In conclusion, we confirm for the first time that NEP expression is down-regulated in vascular endothelial cells by physiological laminar shear, possibly via a mechanotransduction mechanism involving NADPH oxidase-induced ROS production...
Biomechanical regulation of hedgehog signaling in vascular smooth muscle cells in vitro and in vivoDavid Morrow
Faculty of Science and Health, Vascular Health Research Centre, Dublin City University, Glasnevin, Dublin 9, Ireland
Am J Physiol Cell Physiol 292:C488-96. 2007..These data suggest that Hh expression is diminished by biomechanical stimulation in vitro and in vivo and thus may play a fundamental role in arterial remodeling and atherogenesis in vivo...
Cyclic strain-mediated regulation of vascular endothelial occludin and ZO-1: influence on intercellular tight junction assembly and functionNora T Collins
Vascular Health Research Centre, Faculty of Science and Health, Dublin City University, Glasnevin, Dublin 9, Ireland
Arterioscler Thromb Vasc Biol 26:62-8. 2006..We, therefore, examined the effects of cyclic strain on the expression, modification, and function of 2 pivotal endothelial tight junction components, occludin and ZO-1...
Stabilization of brain microvascular endothelial barrier function by shear stress involves VE-cadherin signaling leading to modulation of pTyr-occludin levelsTony G Walsh
School of Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
J Cell Physiol 226:3053-63. 2011..A downstream role is also strongly indicated for a protein tyrosine phosphatase in pTyr-occludin modulation. Importantly, these findings suggest an important route of inter-junctional signaling cross-talk during BBB response to flow...
Cyclic strain-mediated regulation of endothelial matrix metalloproteinase-2 expression and activityNicholas Von Offenberg Sweeney
Vascular Health Research Centre, Faculty of Science and Health, Dublin City University, Glasnevin, Dublin 9, Ireland
Cardiovasc Res 63:625-34. 2004..CONCLUSION: Cyclic strain stimulates MMP-2 expression, in part, by stimulating both p38- and ERK-dependent pathways through activation of Gbetagamma and tyrosine kinase in BAECs...
Cyclic strain-induced endothelial MMP-2: role in vascular smooth muscle cell migrationNicholas Von Offenberg Sweeney
Vascular Health Research Centre, Faculty of Science and Health, Dublin City University, Glasnevin, Dublin 9, Ireland
Biochem Biophys Res Commun 320:325-33. 2004..These findings reveal a potentially novel role for strain-induced endothelial MMP-2 in regulating vascular SMC migration...
Pulse pressure-induced transmural fluid flux increases bovine aortic smooth muscle cell apoptosis in a mitogen activated protein kinase dependent mannerYvonne A Birney
Vascular Health Research Centre, Faculty of Science and Health, Dublin City University, Dublin, Ireland
J Vasc Res 41:364-74. 2004..CONCLUSIONS: These results suggest that pulse pressure promotes phenotypically distinct VSMC apoptosis in vitro in an endothelial-independent, MAPK-dependent, manner...
Notch 1 and 3 receptor signaling modulates vascular smooth muscle cell growth, apoptosis, and migration via a CBF-1/RBP-Jk dependent pathwayCatherine Sweeney
Vascular Health Research Centre, Faculty of Science and Health, Dublin City University, Dublin 9, Ireland
FASEB J 18:1421-3. 2004..Notch signaling, therefore, represents a novel therapeutic target for disease states in which changes in vascular cell fate occur in vivo...
Hydrophobic interaction chromatographyPhilip M Cummins
School of Biotechnology, Dublin City University, Dublin, Ireland
Methods Mol Biol 681:431-7. 2011..For these reasons, this technique has a widespread use for the purification of proteins and large polypeptides...
Hemodynamic regulation of metallopeptidases within the vasculaturePhilip M Cummins
Vascular Health Research Centre, Dublin City University, Glasnevin, Dublin 9, Ireland
Protein Pept Lett 11:433-42. 2004..This review examines the relationship between hemodynamic forces such as shear stress and cyclic strain, and an important group of peptide-degrading enzymes within the endothelium, the thermolysin-like zinc metallopeptidases...
Regulation of endopeptidases EC3.4.24.15 and EC3.4.24.16 in vascular endothelial cells by cyclic strain: role of Gi protein signalingEoin J Cotter
Vascular Health Research Centre, Faculty of Science and Health, Dublin City University, Glasnevin, Dublin, Ireland
Arterioscler Thromb Vasc Biol 24:457-63. 2004..The objective of this study, therefore, was to investigate the putative role of cyclic strain in regulating the expression and enzymatic activity of EP24.15 and EP24.16 in bovine aortic endothelial cells (BAECs)...
Gel-filtration chromatographyCiarán O'Fágáin
School of Biotechnology and National Centre for Sensor Research, Dublin City University, Dublin, Ireland
Methods Mol Biol 681:25-33. 2011..Here, the basis of the method is described and typical matrix types are contrasted. The selection of suitable operating conditions and applications of the method are also discussed...
Ion-exchange chromatography: basic principles and application to the partial purification of soluble mammalian prolyl oligopeptidasePhilip M Cummins
School of Biotechnology, Dublin City University, Dublin, Ireland
Methods Mol Biol 681:215-28. 2011..g. thyroliberin, gonadotropin-releasing hormone)...
