Abstract：
:Neointima formation participates in the pathophysiology of atherosclerosis and restenosis. Proliferation and migration of vascular smooth muscle cells (VSMC) are initial responses to vascular injury. The aim of the present study was to assess the effect of gliotoxin, an inhibitor of nuclear factor (NF)-kappaB, on migration and proliferation of cultured rat VSMC and neointimal formation in injured rat vessels. In cultured VSMC, gliotoxin inhibited the nuclear translocation of the p65 subunit of NF-kappaB in response to inflammatory stimuli. In addition, gliotoxin inhibited VSMC migration and proliferation in response to platelet-derived growth factor-BB. This was associated with a rapid rearrangement of the F-actin and vimentin cytoskeleton. Furthermore, gliotoxin inhibited endothelial cell nuclear translocation of p65, cell surface expression of adhesion molecules such as VCAM-1, ICAM-1 and E-selectin, and monocytic cell adhesion to a cytokine-activated endothelial monolayer. In the rat carotid artery balloon catheter injury model, the systemic administration of gliotoxin for 10 days decreased neointimal hyperplasia and luminal stenosis by up to 90% and decreased the expression of proliferating cell nuclear antigen in the vessel wall by up to 70%, depending on the dose. These observations suggest that gliotoxin favorably regulates the response to vascular injury through actions on VSMC. However, further studies evaluating the therapeutic benefit of gliotoxin in restenosis after balloon angioplasty are required.
journal_name
J Vasc Resjournal_title
Journal of vascular researchauthors
Pozo M,Izquierdo MC,de Nicolás R,Egido J,Ortiz A,González-Cabrero Jdoi
10.1159/000176043subject
Has Abstractpub_date
2009-01-01 00:00:00pages
278-89issue
4eissn
1018-1172issn
1423-0135pii
000176043journal_volume
46pub_type
杂志文章abstract：BACKGROUND:Hypoxia results in pulmonary hypertension and vascular remodeling due to induction of pulmonary artery cell proliferation. Besides pulmonary artery smooth muscle cells, pulmonary artery endothelial cells (PAECs) are also involved in the development of pulmonary hypertension, but the effect of hypoxia on PAEC...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000327005
更新日期：2011-01-01 00:00:00
abstract：:The proliferation of vascular smooth muscle cells (VSMC) plays a significant part in both the developing atherosclerotic lesion and in restenosis. Heparin has been widely reported to inhibit the growth of VSMC in culture and intimal VSMC in some animal models of vascular hyperplasia. Clinical trials with heparin, howe...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000025616
更新日期：1998-11-01 00:00:00
abstract：:Proper development of the vascular system as one of the earliest and most critical steps during vertebrate embryogenesis is ensured by the exact spatial and temporal control of gene expression in cells forming the vessel network. Whereas the regulation of vascular system development is well elucidated on the level of ...
journal_title：Journal of vascular research
pub_type： 杂志文章,评审
doi：10.1159/000353287
更新日期：2013-01-01 00:00:00
abstract：AIM:Vascular remodeling following injury substantially accounts for restenosis and adverse clinical outcomes. In this study, we investigated the role of the giant scaffold protein Ahnak1 in vascular healing after endothelial denudation of the murine femoral artery. METHODS:The spatiotemporal expression pattern of Ahna...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000464287
更新日期：2017-01-01 00:00:00
abstract：:Regulation of [Ca2+]i and modulation of the [Ca2+]i sensitivity of myosin phosphorylation in smooth muscles may involve phosphorylation of one or more proteins on tyrosine residues. We tested this hypothesis by measuring tyrosine phosphorylation of proteins extracted from swine carotid artery and separated by SDS gel ...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000159196
更新日期：1997-01-01 00:00:00
abstract：:Actions of the novel Ca2+ antagonist, Ro 40-5967, which displays unusual efficacy against endothelin (ET)-induced contractions, were studied in isolated vascular muscle cells (VMCs) using the fluorescent protein kinase C (PKC) indicator, BODIPY 12 alpha-phorbol ester 13 beta-acetate (PBA-BODIPY). High-sensitivity (pho...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000159134
更新日期：1996-01-01 00:00:00
abstract：UNLABELLED:Nitric oxide (NO) and cyclooxygenase (COX) derived prostaglandins (PGs) are involved in vascular homeostasis. Contradictory results have been obtained in previous studies on the putative 'cross-talk' between these two pathways. Our aim was to evaluate the interaction between NO and PG release in human microv...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000074550
更新日期：2003-09-01 00:00:00
abstract：:Protein localization in endothelial cells is tightly regulated to create distinct signaling domains within their tight spatial restrictions including luminal membranes, abluminal membranes, and interendothelial junctions, as well as caveolae and calcium signaling domains. Protein localization in endothelial cells is a...
journal_title：Journal of vascular research
pub_type： 杂志文章,评审
doi：10.1159/000512618
更新日期：2021-01-27 00:00:00
abstract：:Actin cytoskeleton reorganization is regulated by various actin-binding proteins. Cofilin is the principal filament-depolymerizing protein, whose activity is reduced upon phosphorylation by LIMK. Thus, LIMK and cofilin comprise a signal transduction module regulating actin turnover and myogenic tone in healthy vascula...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000081247
更新日期：2004-09-01 00:00:00
abstract：:We evaluated the effects of a simulated workday of prolonged sitting on blood pressure (BP) and pulse wave velocity (PWV) and examined whether posture (seated vs. supine) affected responses. Participants (n = 25) were adults, with overweight/obesity and elevated BP, and performed seated desk work for 7.5 h. BP and PWV...
journal_title：Journal of vascular research
pub_type： 杂志文章,随机对照试验
doi：10.1159/000510294
更新日期：2020-01-01 00:00:00
abstract：:Increased vascular disease occurs with low albumin (human serum albumin, HSA), possibly reflecting specific inhibition of endothelial apoptosis reported for tissue culture. Despite the reported specificity for endothelial protection by HSA, the high but physiological concentrations needed appear more consistent with n...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000101777
更新日期：2007-01-01 00:00:00
abstract：INTRODUCTION:This study aimed to investigate whether epigallocatechin-3-gallate (EGCG) shows antioxidant activity against angiotensin II (Ang II)-induced human umbilical vein endothelial cell (HUVEC) apoptosis. MATERIALS AND METHODS:The viability of HUVECs was revealed by MTT and LDH assay. The cell apoptosis was dete...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000479873
更新日期：2017-01-01 00:00:00
abstract：:Mesenteric endothelial cell function and immunoreactivity for substance P and nitric oxide synthase (NOS) were examined in control rats and rats treated with capsaicin as neonates to destroy primary afferent nerves. Endothelial vasodilator function was examined pharmacologically in the methoxamine raised-tone isolated...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000159106
更新日期：1995-09-01 00:00:00
abstract：OBJECTIVE:The aim of the study was to assess the rat pial microvessel alterations due to transient bilateral common carotid artery occlusion (BCCAO) and to investigate the mechanism of 10% hypertonic glycerol neuroprotection. Our suggestion was that 10% glycerol solution infusion could dilate pial arterioles through ni...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000109818
更新日期：2008-01-01 00:00:00
abstract：:The goal of this study was to determine the role of endothelium-derived relaxing factor (EDRF) in dilatation of cerebral arterioles in response to adenosine 5'-diphosphate (ADP). Using intravital microscopy, we measured the diameters of pial arterioles in vivo in rats during superfusion with ADP, acetylcholine and nit...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000158951
更新日期：1992-09-01 00:00:00
abstract：:This study examines the ultrastructural features of diffuse intimal thickenings of human coronary arteries and correlates structural heterogeneity along the radial axis with the distribution and known actions of transforming growth factor beta 1 (TGF-beta 1). Morphometric and immunohistochemical data were collected fr...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000159008
更新日期：1993-09-01 00:00:00
abstract：BACKGROUND:Elevated plasma homocysteine (Hcy) is a risk factor for coronary disease. The objective of this study was to investigate whether Hcy either alone or in high glucose conditions induces endothelin-1 (ET-1) synthesis via the production of reactive oxygen species (ROS). METHODS:Bovine aortic endothelial cells w...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000090947
更新日期：2006-01-01 00:00:00
abstract：:The D allele of the insertion (I)/deletion (D) polymorphism in the angiotensin-converting enzyme (ACE) gene and the C allele of the A1166-C polymorphism in the angiotensin II type 1 receptor (AGT1R) gene have been associated with altered vascular structure and with an increased risk of myocardial infarction. The aim o...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000025687
更新日期：1999-11-01 00:00:00
abstract：:Endothelin-1 (ET-1), a vasoconstrictor peptide produced by endothelial and vascular smooth muscle cells (VSMC) might play a role in vascular remodelling. To investigate the proposed 'mitogenic' potential of ET-1, we examined the effects of chronic exposure of VSMC to ET-1 on cell cycle, growth/proliferation and differ...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000158994
更新日期：1993-07-01 00:00:00
abstract：:This work compares the expression of adrenoceptors (ARs) and G-protein-coupled receptor kinase (GRK) 2 (RT-PCR and immunoblotting) and functional responses in conductance (aorta) and resistance vessels (mesenteric resistance arteries; MRA) in two different models of rat hypertension: hypertension induced by chronic tr...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000360400
更新日期：2014-01-01 00:00:00
abstract：:In the present study, we investigated the actions of calmodulin (CaM) and CaM-dependent protein kinase II (CaMK-II) on the L-type Ca2+ currents (ICa(L)) of cultured vascular smooth muscle (VSM) cells (A7r5 cell line), using the whole-cell voltage clamp method. The peak IBa (Ca2+ channel using 5 mM Ba2+ as charge carri...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000025599
更新日期：1998-09-01 00:00:00
abstract：BACKGROUND:A new method was evaluated where local changes in oxygen tension were induced in a tissue while being studied under a microscope in vivo. We tested whether hypoxic vasodilation and hyperoxic vasoconstriction in arterioles in striated muscle are being propagated upstream, and whether the endothelium and smoot...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000318777
更新日期：2011-01-01 00:00:00
abstract：:The pathophysiology of Raynaud's phenomenon (RP) remains an enigma. Whatever theories proposed, the final event leading to the clinical symptoms is the occlusion of digital vessels. However, the possibility that the upstream large arterial vessels contribute to vasopasm has never been investigated. We used a high reso...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000159237
更新日期：1997-07-01 00:00:00
abstract：BACKGROUND:Controversial reports on prolactin receptors (PRL-R), the long and short form, on endothelial cells (EC) may be explained by the choice of EC derived from the micro- and macrovascular bed of either endocrine and non-endocrine organs. METHODS:We studied here PRL-R expression in organs [bovine corpus luteum (...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000097892
更新日期：2007-01-01 00:00:00
abstract：:The localization of dopamine receptor subtypes in the rabbit pulmonary circulation was investigated by using combined radioligand binding and light microscope autoradiography techniques. Dopamine D1-like receptors, probably belonging to the dopamine D1 receptor subtype, were demonstrated in sections of rabbit lung usi...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000159094
更新日期：1995-05-01 00:00:00
abstract：:The pH has marked effects on the blood flow in several vascular beds but the underlying mechanisms remain incompletely understood. It is still not agreed, for example, whether it is the fall in extracellular pH or intracellular pH that is responsible for changes in tone resulting from hypercapnic acidosis. The issue h...
journal_title：Journal of vascular research
pub_type： 杂志文章,评审
doi：10.1159/000159163
更新日期：1996-09-01 00:00:00
abstract：:Signaling pathways activated by the tachykinin substance P (SP) were investigated in pig coronary artery endothelial cells (PCAECs). Single cells were obtained after enzymatic digestion of coronary arteries. Intracellular Ca2+ ([Ca2+]i) was measured from fura-2 fluorescence while membrane potential or ionic current wa...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000159222
更新日期：1997-05-01 00:00:00
abstract：:In response to stimuli, endothelial cells release arachidonic acid, a lipid precursor of various vasoactive substances. We have investigated the relationships between cytosolic Ca2+ movements and arachidonic acid release in human umbilical vein endothelial cells. Histamine, a receptor-dependent agonist, and thapsigarg...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000025647
更新日期：1999-05-01 00:00:00
abstract：BACKGROUND/AIMS:Laser Doppler flowmetry (LDF) was used to determine the influence of acute myocardial infarction (AMI) and of successful reperfusion treatment on basal skin blood flow and its oscillatory components. METHODS:Skin LDF was performed on all extremities in 58 patients 4-9 days after AMI (Killip class I), a...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000110208
更新日期：2008-01-01 00:00:00
abstract：BACKGROUND/AIMS:The present report examines a new pig model for progressive induction of high-grade stenosis, for the study of chronic myocardial ischemia and the dynamics of collateral vessel growth. METHODS:Thirty-nine Landrace pigs were instrumented with a novel experimental stent (GVD stent) in the left anterior d...
journal_title：Journal of vascular research
pub_type： 杂志文章
doi：10.1159/000181545
更新日期：2009-01-01 00:00:00
