Research Topics
Genomes and Genes | E L SchiffrinSummaryAffiliation: Clinical Research Institute of Montreal Country: Canada Publications
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Publications
Relationship between small-artery structure and systolic, diastolic and pulse pressure in essential hypertensionE L Schiffrin
MRC Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Quebec, Canada
J Hypertens 17:381-7. 1999..A study of small arteries has suggested that this is not the case in human essential hypertension. We therefore investigated the role of hemodynamic determinants on small-artery structure in hypertensive patients...
Good news for patients with type 2 diabetes: angiotensin receptor blocker treatment delays progression of diabetic nephropathyErnesto L Schiffrin
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Montreal, Quebec, Canada
Curr Opin Nephrol Hypertens 11:173-5. 2002
State-of-the-Art lecture. Role of endothelin-1 in hypertensionE L Schiffrin
MRC Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal IRCM, Quebec, Canada
Hypertension 34:876-81. 1999..This remains to be demonstrated in humans...
Effects of antihypertensive drugs on vascular remodeling: do they predict outcome in response to antihypertensive therapy?E L Schiffrin
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Montreal, Quebec, Canada
Curr Opin Nephrol Hypertens 10:617-24. 2001..Thus, current evidence does not support the rational expectation that vasculoprotective antihypertensive agents will be associated with better outcomes in hypertensive patients, possibly because of limitations of these trials...
Effect of crossing over hypertensive patients from a beta-blocker to an angiotensin receptor antagonist on resistance artery structure and on endothelial functionErnesto L Schiffrin
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, 110 Pine Avenue West, Montreal, Quebec, Canada H2W 1R7
J Hypertens 20:71-8. 2002....
Effect of antihypertensive treatment on small artery remodeling in hypertensionErnesto L Schiffrin
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, 110 Pine Avenue West, Montreal, QC H2W 1R7, Canada
Can J Physiol Pharmacol 81:168-76. 2003..The vascular protective action of some antihypertensive agents may contribute to improve outcome for hypertensive patients, although this is presently unproven...
Correction of arterial structure and endothelial dysfunction in human essential hypertension by the angiotensin receptor antagonist losartanE L Schiffrin
Medical Research Council Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Circulation 101:1653-9. 2000....
A critical review of the role of endothelial factors in the pathogenesis of hypertensionE L Schiffrin
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Quebec, Canada
J Cardiovasc Pharmacol 38:S3-6. 2001..Endothelin-1 may play a similar role in human hypertension...
Aldosterone: a risk factor for vascular diseaseMario Fritsch Neves
Clinical Research Institute of Montreal, 110 Pine Avenue West, Montreal, Quebec, Canada H2W 1R7
Curr Hypertens Rep 5:59-65. 2003....
Effect of amlodipine compared to atenolol on small arteries of previously untreated essential hypertensive patientsErnesto L Schiffrin
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Am J Hypertens 15:105-10. 2002..Whether the vascular protective effect of amlodipine will result in improved outcomes in hypertension remains to be demonstrated...
Small artery remodeling in hypertension: can it be corrected?E L Schiffrin
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Quebec, Canada
Am J Med Sci 322:7-11. 2001..Improved outcomes in hypertensive patients demonstrated in recent trials with some but not others of these agents could be a consequence, at least in part, of vascular protection offered by some antihypertensive agents...
Role of endothelin-1 in hypertension and vascular diseaseE L Schiffrin
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal IRCM, Quebec, Canada
Am J Hypertens 14:83S-89S. 2001..Endothelin antagonists could become effective disease-modifying agents in different forms of cardiovascular disease...
Beyond blood pressure: the endothelium and atherosclerosis progressionErnesto L Schiffrin
Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Am J Hypertens 15:115S-122S. 2002..This may help to explain the positive results of recently completed trials such as Heart Outcomes Prevention Evaluation (HOPE) and Losartan Intervention for Endpoint Reduction in Hypertension (LIFE)...
p38 Map kinase regulates vascular smooth muscle cell collagen synthesis by angiotensin II in SHR but not in WKYR M Touyz
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Canada
Hypertension 37:574-80. 2001..These results indicate differential roles of ERK1/2 and p38 MAP kinase in AT(1)-stimulated VSMC growth and collagen production, which may contribute to vascular remodeling in hypertension...
Differential activation of extracellular signal-regulated protein kinase 1/2 and p38 mitogen activated-protein kinase by AT1 receptors in vascular smooth muscle cells from Wistar-Kyoto rats and spontaneously hypertensive ratsR M Touyz
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Canada
J Hypertens 19:553-9. 2001....
Role of extracellular signal-regulated kinases in angiotensin II-stimulated contraction of smooth muscle cells from human resistance arteriesR M Touyz
Medical Research Council Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Circulation 99:392-9. 1999..We assessed the role of extracellular signal-regulated kinases (ERKs) in Ang II-stimulated contraction and associated signaling pathways in vascular smooth muscle cells (VSMCs) from human small arteries...
Role of AT2 receptors in angiotensin II-stimulated contraction of small mesenteric arteries in young SHRR M Touyz
Medical Research Council Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal and Université de Montréal, Montreal, Quebec
Hypertension 33:366-72. 1999....
ET(A) receptor antagonist prevents blood pressure elevation and vascular remodeling in aldosterone-infused ratsJ B Park
Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Hypertension 37:1444-9. 2001..These results suggest a role for endothelin-1 in BP elevation and structural alterations of large and small vessels in aldosterone and salt-induced hypertension...
Differential ANG II-induced growth activation pathways in mesenteric artery smooth muscle cells from SHRM El Mabrouk
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada H2W 1R7
Am J Physiol Heart Circ Physiol 281:H30-9. 2001..In SHR VSMCs, PI3 kinase plays a role in augmented angiotensin II-induced ERK1/2 phosphorylation. These angiotensin II-mediated signaling events could contribute to vascular remodeling in SHR...
Mitogen-activated protein/extracellular signal-regulated kinase inhibition attenuates angiotensin II-mediated signaling and contraction in spontaneously hypertensive rat vascular smooth muscle cellsR M Touyz
Experimental Hypertension Laboratory, Medical Research Council Multidisciplinary Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Circ Res 84:505-15. 1999..MAP/ERK inhibition abrogated sustained contraction and normalized Ang II effects in SHR. These data suggest that ERK-dependent signaling pathways influence contraction and that they play a role in vascular hyperresponsiveness in SHR...
Antioxidant effects of vitamins C and E are associated with altered activation of vascular NADPH oxidase and superoxide dismutase in stroke-prone SHRX Chen
Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Hypertension 38:606-11. 2001..These effects may be mediated via modulation of enzyme systems that generate free radicals...
Interleukin-2 enhances angiogenesis and preserves cardiac function following myocardial infarctionM Bouchentouf
Lady Davis Institute for Medical Research, Jewish General Hospital, McGill University, 3755 Cote Ste Catherine Road, Montreal, Quebec, Canada H3T 1E2
Cytokine 56:732-8. 2011..2%. Here we show that a single IV injection of rhIL-2 positively impacted cardiac function by improving angiogenesis through a process involving NK cells...
Angiotensin II stimulates DNA and protein synthesis in vascular smooth muscle cells from human arteries: role of extracellular signal-regulated kinasesR M Touyz
MRC Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
J Hypertens 17:907-16. 1999..This study investigates the growth effects and associated signaling pathways of angiotensin II (Ang II) in human vascular smooth muscle cells...
Src is an important mediator of extracellular signal-regulated kinase 1/2-dependent growth signaling by angiotensin II in smooth muscle cells from resistance arteries of hypertensive patientsR M Touyz
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Hypertension 38:56-64. 2001..Because AT(1) receptor expression was unaltered in HTs, increased Ang II signaling may be a postreceptor phenomenon. These data define a signal transduction pathway whereby Ang II mediates exaggerated growth in VSMCs from HTs...
Endothelin-A-receptor blockade improves renal function and doubles the lifespan of stroke-prone spontaneously hypertensive ratsR M Touyz
MRC Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Quebec, Canada
J Cardiovasc Pharmacol 36:S300-4. 2000..These data suggest that interruption of the endothelin (ET) system by blockade of ETA-receptors may achieve protection from target-organ damage despite lack of a reduction in blood pressure...
Altered angiotensin II-induced small artery contraction during the development of hypertension in spontaneously hypertensive ratsD Endemann
MRC Multidisciplinary Research Group on Hypertension, , , , Canada
Am J Hypertens 12:716-23. 1999..These findings indicate attenuation, as hypertension progresses, of the initially enhanced vascular reactivity to Ang II that is present during the development of hypertension in SHR...
A novel and simplified method of culture of human blood-derived early endothelial progenitor cells for the treatment of ischemic vascular diseaseM Bouchentouf
Lady Davis Institute for Medical Research, Jewish General Hospital, McGill University, Montreal, Quebec, Canada
Cell Transplant 20:1431-43. 2011....
Myocardial fibrosis in DOCA-salt hypertensive rats: effect of endothelin ET(A) receptor antagonismF Ammarguellat
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, , , Canada
Circulation 103:319-24. 2001..These results support the hypothesis of a role for endothelin-1 in cardiac collagen deposition in mineralocorticoid hypertension, which may have pathophysiological and pharmacological implications in hypertensive heart disease...
Renal and vascular effects of chronic endothelin receptor antagonism in malignant hypertensive ratsJ S Li
Multidisciplinary Research Group on Hypertension, , , Canada
Am J Hypertens 9:803-11. 1996..Further studies will be necessary to determine whether endothelin antagonists may indeed offer some degree of renal protection and have therapeutic potential in severe or malignant hypertension...
Vascular remodeling and endothelial function in hypertensive patients: effects of antihypertensive therapyE L Schiffrin
MRC Multidisciplinary Research Group on Hypertension, University of Montreal, Quebec, Canada
Scand Cardiovasc J Suppl 47:15-21. 1998....
Treatment of non-insulin-dependent diabetic hypertensive patients with Ca2+ channel blockers is associated with increased platelet sensitivity to insulinR M Touyz
Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Am J Hypertens 8:1214-21. 1995....
Vasopressin receptors and inositol trisphosphate production in blood vessels of spontaneously hypertensive ratsR Lariviere
Experimental Hypertension Laboratory, Clinical Research Institute of Montreal, Que, Canada
Can J Physiol Pharmacol 67:232-9. 1989..These results suggest that the vascular response to AVP is increased in SHR, in spite of decreased or normal density of binding sites compared with WKY or WR.(ABSTRACT TRUNCATED AT 250 WORDS)..
Increased generation of superoxide by angiotensin II in smooth muscle cells from resistance arteries of hypertensive patients: role of phospholipase D-dependent NAD(P)H oxidase-sensitive pathwaysR M Touyz
Clinical Research Institute of Montreal, University of Montreal, Canada
J Hypertens 19:1245-54. 2001....
Mesenteric vascular smooth muscle cells from spontaneously hypertensive rats display increased calcium responses to angiotensin II but not to endothelin-1R M Touyz
Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
J Hypertens 12:663-73. 1994..The differential effects of these two vasoconstrictor peptides may contribute to their relative roles in modulating vascular smooth muscle cell cytosolic free calcium in SHR...
p47phox associates with the cytoskeleton through cortactin in human vascular smooth muscle cells: role in NAD(P)H oxidase regulation by angiotensin IIR M Touyz
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Canada
Arterioscler Thromb Vasc Biol 25:512-8. 2005....
Effect of short-term treatment of SHR with the novel calcium channel antagonist mibefradil on function of small arteriesJ S Li
MRC Multidisciplinary Research Group on Hypertension, , , , Canada
Am J Hypertens 10:94-100. 1997....
Increased expression of peroxisome proliferator-activated receptor-alpha and -gamma in blood vessels of spontaneously hypertensive ratsQ N Diep
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Hypertension 38:249-54. 2001..Changes (increases) in PPAR expression may play a compensatory role in the remodeling of blood vessels in SHR...
Correlation of endothelial function in large and small arteries in human essential hypertensionJ B Park
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
J Hypertens 19:415-20. 2001..Ultrasound measurement of endothelial dysfunction in the brachial artery appears to be less sensitive than in-vitro measurement in resistance arteries...
Effect of chronic treatment with two different ET(A) selective endothelin receptor antagonists on blood pressure and small artery structure of deoxycorticosterone acetate (DOCA)-salt hypertensive ratsJ S Li
MRC Multidisciplinary Research Group on Hypertension, , , , Canada
Am J Hypertens 11:554-62. 1998....
Ang II-stimulated superoxide production is mediated via phospholipase D in human vascular smooth muscle cellsR M Touyz
Experimental Hypertension Laboratory, MRC Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal and Université de Montréal, Montreal, Quebec, Canada H2W 1R7
Hypertension 34:976-82. 1999..These cascades may function as second messengers in long-term Ang II-mediated growth-signaling events...
Effect of ACE/NEP inhibition on cardiac and vascular collagen in stroke-prone spontaneously hypertensive ratsQ Pu
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Am J Hypertens 14:1067-72. 2001..1 +/- 2.8 v 58.8 +/- 6.1 x 10(3) microm2/mm section, respectively, P < .05). In conclusion, in addition to being a potent antihypertensive agent, omapatrilat significantly improves cardiac and vascular fibrosis in SHRSP...
Endothelin and endothelin antagonists in hypertensionE L Schiffrin
Clinical Research Institute of Montreal IRCM, Quebec, Canada
J Hypertens 16:1891-5. 1998....
Resistance artery structure and neuroeffector mechanisms in hypertension induced by inhibition of nitric oxide synthaseJ S Li
MRC Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Am J Hypertens 7:996-1004. 1994..abstract truncated at 250 words)..
Synergistic vascular protective effects of combined low doses of PPARalpha and PPARgamma activators in angiotensin II-induced hypertension in ratsC De Ciuceis
Vascular and Hypertension Research Unit, Lady Davis Institute for Medical Research, Sir Mortimer B Davis Jewish General Hospital, Montreal, Quebec, Canada
Br J Pharmacol 151:45-53. 2007....
Growth factors mediate intracellular signaling in vascular smooth muscle cells through protein kinase C-linked pathwaysR M Touyz
Experimental Hypertension Laboratory, MRC Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal and Université de Montréal, Quebec, Canada
Hypertension 30:1440-7. 1997..The underlying pathways that mediate these responses are partially dependent on Na+/ Ca2+ transporters and the Na+/H+ exchanger, both of which are linked to PKC activation...
Reactive oxygen species in vascular biology: implications in hypertensionR M Touyz
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, 110 Pine Avenue West, Montreal, Quebec, H2W 1R7, Canada
Histochem Cell Biol 122:339-52. 2004..The present chapter focuses on the importance of ROS in vascular biology and discusses the role of oxidative stress in vascular damage in hypertension...
Small artery remodeling is the most prevalent (earliest?) form of target organ damage in mild essential hypertensionJ B Park
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
J Hypertens 19:921-30. 2001..To evaluate this, we studied the prevalence of structural and functional alterations of resistance arteries and cardiac hypertrophy in patients with mild essential hypertension...
Expression of cell cycle proteins in blood vessels of angiotensin II-infused rats: role of AT(1) receptorsQ N Diep
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Hypertension 37:604-8. 2001..Reduction in cell cycle kinase inhibitors p21 and p27 may contribute to activation of growth induced by in vivo AT(1) receptor stimulation...
Signal transduction mechanisms mediating the physiological and pathophysiological actions of angiotensin II in vascular smooth muscle cellsR M Touyz
Medical Research Council of Canada Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Pharmacol Rev 52:639-72. 2000....
Inducible nitric oxide synthase in vascular smooth muscle cells from prehypertensive spontaneously hypertensive ratsA Singh
MRC Multidisciplinary Research Group on Hypertension, , , , Canada
Am J Hypertens 9:867-77. 1996..These differences between VSMC from prehypertensive SHR and WKY may indicate a pathophysiological role of iNOS in early blood pressure elevation in SHR...
Activation of the Na(+)-H+ exchanger modulates angiotensin II-stimulated Na(+)-dependent Mg2+ transport in vascular smooth muscle cells in genetic hypertensionR M Touyz
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Hypertension 34:442-9. 1999..These data demonstrate that in VSMCs [Mg2+]i regulation is Na+ dependent, that activation of NHE modulates Na(+)-Mg2+ transport, and that increased activity of NHE may play a role in altered Na(+)-dependent regulation of [Mg2+]i in SHR...
Apoptosis in vasculature of spontaneously hypertensive rats: effect of an angiotensin converting enzyme inhibitor and a calcium channel antagonistA M Sharifi
MRC Multidisciplinary Research Group on Hypertension, , , , Canada
Am J Hypertens 11:1108-16. 1998....
Endothelin: role in hypertensionE L Schiffrin
MRC Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Biol Res 31:199-208. 1998..These agents could contribute to reduce the long-term complications of hypertension, which remains to be demonstrated in humans...
Monocyte derivatives promote angiogenesis and myocyte survival in a model of myocardial infarctionM Bouchentouf
Lady Davis Institute for Medical Research, Jewish General Hospital, McGill University, Montreal, Quebec, Canada
Cell Transplant 19:369-86. 2010..Transplanted MDs and their secretome participate in preserving functional myocardium after ischemic insult and attenuate pathological remodeling...
Vascular and cardiac overexpression of endothelin-1 gene in one-kidney, one clip Goldblatt hypertensive rats but only in the late phase of two-kidney one clip Goldblatt hypertensionP Sventek
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
J Hypertens 14:57-64. 1996....
Role of c-Src in the regulation of vascular contraction and Ca2+ signaling by angiotensin II in human vascular smooth muscle cellsR M Touyz
MRC Multidisciplinary Research Group on Hypertension, Sungkyun Kwan University School of Medicine, Seoul, Korea
J Hypertens 19:441-9. 2001..We hypothesize here that c-Src, a non-receptor tyrosine kinase, is an important upstream regulator of vascular smooth muscle cell (VSMC) Ca2+ signaling and associated vascular contraction induced by Ang II...
Resistance arteries as endpoints in hypertensionE L Schiffrin
Clinical Research Institute of Montreal, Universite de Montreal, Quebec, Canada
Blood Press Suppl 2:24-30. 1997..these results suggest that these small resistance arteries may serve as surrogate endpoints in hypertension...
Altered cardiac endothelin receptors and protein kinase C in deoxycorticosterone-salt hypertensive ratsJ Fareh
MRC Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Montreal, Quebec, H2W 1R7, Canada
J Mol Cell Cardiol 32:665-76. 2000....
Vascular biology of endothelinE L Schiffrin
MRC Multidisciplinary Research Group on Hypertention, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
J Cardiovasc Pharmacol 32:S2-13. 1998....
c-Src induces phosphorylation and translocation of p47phox: role in superoxide generation by angiotensin II in human vascular smooth muscle cellsR M Touyz
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Canada
Arterioscler Thromb Vasc Biol 23:981-7. 2003..The aim of this study was to determine molecular mechanisms whereby c-Src regulates angiotensin II (Ang II)-mediated NAD(P)H oxidase-derived *O2- in human vascular smooth muscle cells (VSMCs)...
Selective mineralocorticoid receptor blocker eplerenone reduces resistance artery stiffness in hypertensive patientsCarmine Savoia
Lady Davis Institute for Medical Research, Sir Mortimer B Davis Jewish General Hospital, McGill University, Montreal, Quebec, Canada
Hypertension 51:432-9. 2008....
Peroxisome proliferator-activated receptor gamma regulates angiotensin II-stimulated phosphatidylinositol 3-kinase and mitogen-activated protein kinase in blood vessels in vivoKarim Benkirane
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Montreal, Quebec, Canada
Hypertension 47:102-8. 2006..Effects of PPAR-gamma activators on these pathways could contribute to regression of vascular remodeling in models of hypertension and diabetes and, accordingly, in hypertensive diabetic patients...
Role of angiotensin type-1 and angiotensin type-2 receptors in the expression of vascular integrins in angiotensin II-infused ratsPascal Brassard
Experimental Hypertension Laboratory, Canadian Institutes of Health Research Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Montreal, Quebec, Canada
Hypertension 47:122-7. 2006..These results demonstrate that AT1 and AT2 receptors have countervailing effects on vascular integrin subunit expression that may influence their effects on vascular remodeling and extracellular matrix composition...
c-Src-dependent nongenomic signaling responses to aldosterone are increased in vascular myocytes from spontaneously hypertensive ratsGlaucia E Callera
Ottawa Health Research Institute, University of Ottawa, Ottawa, Canada
Hypertension 46:1032-8. 2005..Upregulation of c-Src signaling may be important in the profibrotic and proinflammatory actions of aldosterone in this genetic model of hypertension...
PPAR-gamma inhibits ANG II-induced cell growth via SHIP2 and 4E-BP1Karim Benkirane
Clinical Institute of Health Research Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Montreal, Quebec, Canada
Am J Physiol Heart Circ Physiol 290:H390-7. 2006..PPAR-gamma activation reduced ANG II-induced growth associated with inhibition of ERK 1/2, Akt, 4E-BP1, and SHIP2. Modulation of these pathways by PPAR-gamma activators may contribute to regression of vascular remodeling in hypertension...
Reduced vascular remodeling, endothelial dysfunction, and oxidative stress in resistance arteries of angiotensin II-infused macrophage colony-stimulating factor-deficient mice: evidence for a role in inflammation in angiotensin-induced vascular injuryCarolina De Ciuceis
CIHR Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Arterioscler Thromb Vasc Biol 25:2106-13. 2005..We therefore investigated Ang II effects on vascular structure, function, and oxidant stress generation in this model...
Role of blood pressure reduction in prevention of cardiac and vascular hypertrophyHiroshi Yokoyama
Hypertension and Vascular Disease Center, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, USA
Am J Hypertens 18:922-9. 2005....
Negative regulation of RhoA/Rho kinase by angiotensin II type 2 receptor in vascular smooth muscle cells: role in angiotensin II-induced vasodilation in stroke-prone spontaneously hypertensive ratsCarmine Savoia
CIHR Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
J Hypertens 23:1037-45. 2005....
Role of the actin cytoskeleton in angiotensin II signaling in human vascular smooth muscle cellsRhian M Touyz
Clinical Research Institute of Montreal, University of Montreal, Montreal, QC, Canada
Can J Physiol Pharmacol 83:91-7. 2005..Together, these studies suggest that the cytoskeleton may be a central point of crosstalk in growth- and redox-signaling pathways by Ang II, which may be important in the regulation of VSMC function...
Vascular smooth muscle cell NAD(P)H oxidase activity during the development of hypertension: Effect of angiotensin II and role of insulinlike growth factor-1 receptor transactivationMontserrat C Cruzado
Department of Morphophysiology, School of Medicine, Universidad Nacional de Cuyo, Mendoza, Argentina
Am J Hypertens 18:81-7. 2005....
Role of aldosterone in angiotensin II-induced cardiac and aortic inflammation, fibrosis, and hypertrophyMario Fritsch Neves
Clinical Research Institute of Montreal, QC, Canada
Can J Physiol Pharmacol 83:999-1006. 2005....
Inflammation in hypertensionCarmine Savoia
Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Curr Opin Nephrol Hypertens 15:152-8. 2006..The identification of the mechanisms leading to the activation of inflammation should contribute to the development of specific therapeutic approaches to apply in hypertension and its complications...
Effects of combined AT1 receptor antagonist/NEP inhibitor on vascular remodeling and cardiac fibrosis in SHRSPQian Pu
Hypertension and Vascular Research Unit, Lady Davis Institute for Medical Research, Sir Mortimer B Davis Jewish General Hospital, Montreal, Quebec, Canada
J Hypertens 26:322-33. 2008..We evaluated the effects of combining an angiotensin II type 1 (AT1) receptor blocker (ARB, valsartan) and a NEPI (CGS 25354) in comparison with a dual ACEI/NEPI (CGS 30440) in stroke-prone spontaneously hypertensive rats (SHRSP)...
Chronic kidney disease: effects on the cardiovascular systemErnesto L Schiffrin
Department of Medicine, Sir Mortimer B Davis Jewish General Hospital, McGill University, Montreal, Quebec, Canada
Circulation 116:85-97. 2007..Prevention and treatment of cardiovascular disease are major considerations in the management of individuals with chronic kidney disease...
Xanthine oxidase and mitochondria contribute to vascular superoxide anion generation in DOCA-salt hypertensive ratsEmilie C Viel
Lady Davis Institute for Medical Research, Montreal, QC, Canada H3T 1E2
Am J Physiol Heart Circ Physiol 295:H281-8. 2008..Our findings demonstrate the involvement of ET(A) receptor-modulated O(2)(*-) derived from XO and from mitochondrial oxidative enzymes in arteries from DOCA-salt rats...
Redox-sensitive signaling by angiotensin II involves oxidative inactivation and blunted phosphorylation of protein tyrosine phosphatase SHP-2 in vascular smooth muscle cells from SHRFatiha Tabet
Kidney Research Institute, OHRI University of Ottawa, 451 Smyth Road, Ottawa, ON, Canada
Circ Res 103:149-58. 2008..We identify a novel redox-sensitive SHP-2-dependent pathway for Ang II in VSMCs. SHP-2 dysregulation by increased Nox1-derived ROS in SHR is associated with altered Ang II-AKT signaling...
Vascular inflammation in hypertension and diabetes: molecular mechanisms and therapeutic interventionsCarmine Savoia
Lady Davis Institute for Medical Research, Sir Mortimer B Davis Jewish General Hospital, McGill University, Montreal, QC, Canada
Clin Sci (Lond) 112:375-84. 2007....
Angiotensin type 2 receptor in resistance arteries of type 2 diabetic hypertensive patientsCarmine Savoia
Lady Davis Institute for Medical Research, Sir Mortimer B Davis Jewish General Hospital, McGill University, Montreal, Quebec, Canada
Hypertension 49:341-6. 2007....
Dual angiotensin-converting enzyme/neutral endopeptidase inhibition on cardiac and renal fibrosis and inflammation in DOCA-salt hypertensive ratsQian Pu
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
J Hypertens 23:401-9. 2005..This suggests a role for NEP inhibition added to blockade of the renin-angiotensin system that may explain the greater efficacy of omapatrilat...
Resistance artery remodeling in deoxycorticosterone acetate-salt hypertension is dependent on vascular inflammation: evidence from m-CSF-deficient miceEun A Ko
1Hypertension and Vascular Research Unit, Lady Davis Institute for Medical Research, Sir Mortimer B Davis Jewish General Hospital, McGill University, Montreal, Quebec, Canada
Am J Physiol Heart Circ Physiol 292:H1789-95. 2007....
The protective effects of angiotensin II blockade with olmesartan medoxomil on resistance vessel remodeling (The VIOS study): rationale and baseline characteristicsRonald D Smith
Hypertension and Vascular Disease Center, Wake Forest University School of Medicine, Winston Salem, North Carolina, USA
Am J Cardiovasc Drugs 6:335-42. 2006..Remodeling of small resistance vessels may be the earliest pathologic finding associated with hypertension. It may predate the onset of clinically apparent hypertension...
Inhibition of the renin angiotensin system: implications for the endotheliumCarmine Savoia
Lady Davis Institute for Medical Research, Sir Mortimer B. Davis Jewish General Hospital, Montreal, Quebec, Canada H3T 1E2
Curr Diab Rep 6:274-8. 2006....
Angiotensin II induces vascular dysfunction without exacerbating blood pressure elevation in a mouse model of menopause-associated hypertensionDanesh Javeshghani
CIHR Multidisciplinary Research Group on Hypertension, Canada
J Hypertens 24:1365-73. 2006..Our findings suggest that in FORKO mice Ang II may be more important in influencing vascular tone and endothelial function, possibly through oxidative stress and altered ERalpha signaling, than in arterial remodeling and BP elevation...
Angiotensin receptor blocker added to previous antihypertensive agents on arteries of diabetic hypertensive patientsCarmine Savoia
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Hypertension 48:271-7. 2006....
Mitogen-activated protein kinase activation by hydrogen peroxide is mediated through tyrosine kinase-dependent, protein kinase C-independent pathways in vascular smooth muscle cells: upregulation in spontaneously hypertensive ratsFatiha Tabet
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
J Hypertens 23:2005-12. 2005..The upregulation of these processes may contribute to enhanced redox-dependent MAP kinase signaling in SHR VSMC...
Endothelium-restricted overexpression of human endothelin-1 causes vascular remodeling and endothelial dysfunctionFarhad Amiri
Experimental Hypertension, Clinical Research Institute of Montreal, Montreal, Quebec, Canada
Circulation 110:2233-40. 2004..To directly test the role of endothelium-derived ET-1 in cardiovascular pathophysiology, we specifically targeted expression of the human preproET-1 gene to the endothelium by using the Tie-2 promoter in C57BL/6 mice...
Peroxisome proliferator-activated receptors and cardiovascular remodelingErnesto L Schiffrin
Canadian Institute of Health Research Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Montreal, Quebec, Canada
Am J Physiol Heart Circ Physiol 288:H1037-43. 2005..Some side effects, such as weight gain, as well as documented aggravation of advanced heart failure through fluid retention by glitazones, may, however, limit their therapeutic application in prevention of cardiovascular disease...
Endothelin antagonism on aldosterone-induced oxidative stress and vascular remodelingQian Pu
Canadian Institutes of Health Research Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, 110 Pine Avenue West, Montreal, Quebec, Canada H2W 1R7
Hypertension 42:49-55. 2003..Endothelin blockade may exert beneficial effects on vascular remodeling, fibrosis, oxidative stress, and adhesion molecule expression in aldosterone-induced hypertension...
Inflammation and vascular hypertrophy induced by angiotensin II: role of NADPH oxidase-derived reactive oxygen species independently of blood pressure elevation?Ernesto L Schiffrin
Arterioscler Thromb Vasc Biol 23:707-9. 2003
Resistance artery mechanics and composition in angiotensin II-infused rats: effects of aldosterone antagonismMario Fritsch Neves
Multidisciplinary Research Group on Hypertension, Canadian Institutes of Health Research, Clinical Research Institute of Montreal, 110 Pine Avenue West, Montreal, Quebec, Canada H2W 1R7
J Hypertens 21:189-98. 2003....
Effect of peroxisome proliferator-activated receptor-alpha and -gamma activators on vascular remodeling in endothelin-dependent hypertensionMarc Iglarz
CIHR Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Arterioscler Thromb Vasc Biol 23:45-51. 2003..CONCLUSIONS: PPAR-alpha and -gamma activators were able to modulate endogenous production of ET-1 and had beneficial vascular effects in endothelin-dependent hypertension...
PPARalpha activator effects on Ang II-induced vascular oxidative stress and inflammationQuy N Diep
CIHR Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Montreal, Quebec, Canada
Hypertension 40:866-71. 2002..These effects are associated with decreased oxidative stress and inflammation in the vascular wall...
Spironolactone improves angiotensin-induced vascular changes and oxidative stressAgostino Virdis
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Hypertension 40:504-10. 2002..Our findings suggest that aldosterone may mediate some of angiotensin II-induced vascular effects in hypertension, in part via increased oxidative stress...
Contribution of endothelin-1 to renal activator protein-1 activation and macrophage infiltration in aldosterone-induced hypertensionRita C A Tostes
Department of Pharmacology, Instituto de Ciencias Biomedicas, Univeridade de Sao Paulo, Av Lineu Prestes 1524, Sao Paulo 05508-900, Brazil
Clin Sci (Lond) 103:25S-30S. 2002..These processes were attenuated by BMS 182874. Our findings suggest that renal damage in aldosterone-dependent hypertension is associated with inflammatory processes that are mediated in part via ET-1...
Tyrosine kinase inhibition attenuates vasopressin-induced contraction of mesenteric resistance arteries: alterations in spontaneously hypertensive ratsDierk Endemann
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
J Cardiovasc Pharmacol 40:123-32. 2002..These processes do not seem to play an important role in AVP-induced hypercontractility in SHR with established hypertension...
Comparison of angiotensin-converting enzyme (ACE), neutral endopeptidase (NEP) and dual ACE/NEP inhibition on blood pressure and resistance arteries of deoxycorticosterone acetate-salt hypertensive ratsQian Pu
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
J Hypertens 20:899-907. 2002..NEP inhibition is involved to a large extent in the effect of omapatrilat in DOCA-salt rats. These actions of omapatrilat may confer protection against end-organ damage characteristic of severe hypertension...
Structure, endothelial function, cell growth, and inflammation in blood vessels of angiotensin II-infused rats: role of peroxisome proliferator-activated receptor-gammaQuy N Diep
Canadian Institutes of Health Research Multidisciplinary Research Group on Hypertension, Montreal, Quebec, Canada
Circulation 105:2296-302. 2002..Thiazolidinediones may be useful in the prevention and/or treatment of hypertension, particularly when it is associated with insulin resistance or diabetes mellitus...
Effect of AT(1) receptor blockade on cardiac apoptosis in angiotensin II-induced hypertensionQuy N Diep
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada H2W 1R7
Am J Physiol Heart Circ Physiol 282:H1635-41. 2002..Bax and caspase 3 are involved in the apoptotic signaling pathway in this experimental paradigm...
Fibrosis, matrix metalloproteinases, and inflammation in the heart of DOCA-salt hypertensive rats: role of ET(A) receptorsFatima Z Ammarguellat
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, Quebec, Canada
Hypertension 39:679-84. 2002....
Cardiac and vascular fibrosis and hypertrophy in aldosterone-infused rats: role of endothelin-1Jeong Bae Park
Clinical Research Institute of Montreal, University of Montreal, Quebec, Canada
Am J Hypertens 15:164-9. 2002..The ETA receptor antagonist prevented cardiac and aortic collagen deposition and aortic hypertrophy. This suggests a role for ET-1 in fibrosis of heart and large vessels in conditions associated with mineralocorticoid excess...
Effect of hyperhomocystinemia and hypertension on endothelial function in methylenetetrahydrofolate reductase-deficient miceAgostino Virdis
Multidisciplinary Research Group on Hypertension, Clinical Research Institute of Montreal, University of Montreal, Montreal, Quebec, Canada
Arterioscler Thromb Vasc Biol 23:1352-7. 2003..We evaluated the effect of hyperhomocystinemia and angiotensin (Ang) II on vascular function and structure in methylenetetrahydrofolate reductase knockout mice (Mthfr+/-)...
