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Volume 25, Issue 5; May 1, 2005

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EditorialsBack

P-Selectin and Blood Coagulation: It’s Not Only About Inflammation Any More

Bruce Furie
Arterioscler Thromb Vasc Biol. 2005;25:877-878, doi:10.1161/01.ATV.0000161049.53535.5d.
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Soluble Levels of Receptor for Advanced Glycation Endproducts (sRAGE) and Coronary Artery Disease: The Next C-Reactive Protein?

Barry I. Hudson, Evis Harja, Bernhard Moser, and Ann Marie Schmidt
Arterioscler Thromb Vasc Biol. 2005;25:879-882, doi:10.1161/01.ATV.0000164804.05324.8b.
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FGFR1 and the Bloodline of the Vasculature

Victor W.M. van Hinsbergh and Ton J. Rabelink
Arterioscler Thromb Vasc Biol. 2005;25:883-886, doi:10.1161/01.ATV.0000165691.55540.73.
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SOD Isoforms and Signaling in Blood Vessels: Evidence for the Importance of ROS Compartmentalization

J. Ignacio Mendez, William J. Nicholson, and W. Robert Taylor
Arterioscler Thromb Vasc Biol. 2005;25:887-888, doi:10.1161/01.ATV.0000164043.24549.50.
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The Union of Vascular and Metabolic Actions of Insulin in Sickness and in Health

Jeong-a Kim, Kwang Kon Koh, and Michael J. Quon
Arterioscler Thromb Vasc Biol. 2005;25:889-891, doi:10.1161/01.ATV.0000164044.42910.6b.
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Making Up and Breaking Up: The Tortuous Ways of the Vascular Wall

Stéphanie Lehoux and Alain Tedgui
Arterioscler Thromb Vasc Biol. 2005;25:892-894, doi:10.1161/01.ATV.0000164622.81752.9a.
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Brief ReviewsBack

Thomas Q. Nhan, W. Conrad Liles, and Stephen M. Schwartz
Arterioscler Thromb Vasc Biol. 2005;25:895-903; published online before print February 17 2005, doi:10.1161/01.ATV.0000159519.07181.33.
Abstract | Full Text | PDF
Recent literature shows that physiological and developmental functions of many cell types require active caspases without progressing to cell death. We discuss the role of macrophage cell death in plaque progression, possible mediators of macrophage cell death, and the possible functions of plaque macrophage using the nondeath caspase pathway.  

Menno P.J. de Winther, Edwin Kanters, Georg Kraal, and Marten H. Hofker
Arterioscler Thromb Vasc Biol. 2005;25:904-914; published online before print February 24 2005, doi:10.1161/01.ATV.0000160340.72641.87.
Abstract | Full Text | PDF
Atherosclerosis is an inflammatory disease, and a major transcription factor in inflammatory and immune responses is NF-{kappa}B. We address recent literature on the function of NF-{kappa}B in inflammatory responses and atherosclerosis and discuss its proatherogenic and antiatherogenic properties.  

Jon O. Lundberg and Eddie Weitzberg
Arterioscler Thromb Vasc Biol. 2005;25:915-922; published online before print March 3 2005, doi:10.1161/01.ATV.0000161048.72004.c2.
Abstract | Full Text | PDF
NO generated from L-arginine by NO synthases in the endothelium and in other cells plays a central role in several aspects of vascular biology. The biological activity of NO is acutely terminated by oxidation to nitrite and nitrate, and these compounds have long been considered only as inert end-products of NO. However, this dogma is now being challenged, as new knowledge suggests that nitrate and nitrite should probably be viewed as storage pools for NO rather than inert waste products. Here we discuss novel aspects of nitrite-dependent NO generation in vivo and its role in vascular control.  

Andrew Zalewski and Colin Macphee
Arterioscler Thromb Vasc Biol. 2005;25:923-931; published online before print February 24 2005, doi:10.1161/01.ATV.0000160551.21962.a7.
Abstract | Full Text | PDF
Recent studies suggest lipoprotein-associated phospholipase A2 may play an important role in atherogenesis. This enzyme generates proinflammatory products implicated in every stage of atherosclerosis, from atheroma initiation to destabilization. The potential clinical benefit associated with Lp-PLA2 inhibition is intriguing; however, more studies are needed to better define the biological role of this enzyme.  

Susan J. Zieman, Vojtech Melenovsky, and David A. Kass
Arterioscler Thromb Vasc Biol. 2005;25:932-943; published online before print February 24 2005, doi:10.1161/01.ATV.0000160548.78317.29.
Abstract | Full Text | PDF
Arterial stiffness is an epidemic with increased risk. We review the structural, cellular, and genetic components of stiffness and the effect of salt, glucose, and neurohormones. The hemodynamic impact of stiffness and a comprehensive review of therapeutic tools to increase vascular compliance from lifestyle changes to novel drugs are presented.  

 

Vascular BiologyBack

Peetra Ulrica Magnusson, Roberto Ronca, Patrizia Dell’Era, Pia Carlstedt, Lars Jakobsson, Juha Partanen, Anna Dimberg, and Lena Claesson-Welsh
Arterioscler Thromb Vasc Biol. 2005;25:944-949; published online before print March 17 2005, doi:10.1161/01.ATV.0000163182.73190.f9.
Abstract | Full Text | PDF | Data Supplement
Immunostaining using several different antibodies and scoring for FGFR-1 promoter-driven Lac Z activity show that some but not all endothelial cells express FGFR-1. FGFR-1 gene inactivation leads to a block in hematopoietic development; in contrast, endothelial cell development is enhanced.  

Nageswara R. Madamanchi, Sung-Kwon Moon, Zeenat S. Hakim, Shantres Clark, Ali Mehrizi, Cam Patterson, and Marschall S. Runge
Arterioscler Thromb Vasc Biol. 2005;25:950-956; published online before print March 3 2005, doi:10.1161/01.ATV.0000161050.77646.68.
Abstract | Full Text | PDF | Data Supplement
We investigated the effect of subcellular reactive oxygen species (ROS) localization on smooth muscle cell (SMC) phenotype and mitogenic signaling using superoxide dismutase (SOD)-deficient mouse aortic SMCs. ROS location modulates SMC phenotype via divergent signaling pathways, and dysregulation of SOD under pathophysiological conditions may lead to SMC hyperplasia and hypertrophy.  

Zane S. Jackson, Dorota Dajnowiec, Avrum I. Gotlieb, and B. Lowell Langille
Arterioscler Thromb Vasc Biol. 2005;25:957-962; published online before print March 3 2005, doi:10.1161/01.ATV.0000161277.46464.11.
Abstract | Full Text | PDF | Data Supplement
We used interposition grafts to demonstrate that only partial off-loading of longitudinal arterial strain initiates arterial growth and tortuosity. Wall growth and remodeling comprised cell proliferation and apoptosis and extracellular matrix accumulation and remodeling. Surprisingly, (metalloproteinase-dependent) tortuosity occurred despite the persistence of significant longitudinal strain.  

Jeng-Jiann Chiu, Li-Jing Chen, Shun-Fu Chang, Pei-Ling Lee, Chih-I Lee, Min-Chien Tsai, Ding-Yu Lee, Hsing-Pang Hsieh, Shunichi Usami, and Shu Chien
Arterioscler Thromb Vasc Biol. 2005;25:963-969; published online before print February 17 2005, doi:10.1161/01.ATV.0000159703.43374.19.
Abstract | Full Text | PDF | Data Supplement
ECs are influenced by shear stress and SMCs. DNA microarrays showed increased proinflammatory gene expressions in ECs by static SMC coculture. Shear stress inhibits these coculture-induced expressions. NF-{kappa}B is involved in these coculture and shear stress modulations of gene expressions. Our results suggest shear stress as a protective regulator against inflammation.  

Megumi Miyagi, Yoshikazu Miwa, Fumi Takahashi-Yanaga, Sachio Morimoto, and Toshiyuki Sasaguri
Arterioscler Thromb Vasc Biol. 2005;25:970-975; published online before print February 17 2005, doi:10.1161/01.ATV.0000159702.68591.0d.
Abstract | Full Text | PDF | Data Supplement
We attempted to determine the molecular mechanism for fluid shear stress-induced lipocalin-type PG D synthase (L-PGDS) expression in endothelial cells. Examination of the promoter region of the L-PGDS gene revealed that shear stress induces L-PGDS expression by transcriptional activation through the AP-1 binding site.  

David T. Bolick, Suseela Srinivasan, Kyu W. Kim, Melissa E. Hatley, Jeremy J. Clemens, Angela Whetzel, Nicole Ferger, Timothy L. Macdonald, Michael D. Davis, Philip S. Tsao, Kevin R. Lynch, and Catherine C. Hedrick
Arterioscler Thromb Vasc Biol. 2005;25:976-981; published online before print March 10 2005, doi:10.1161/01.ATV.0000162171.30089.f6.
Abstract | Full Text | PDF | Data Supplement
We examined the role of sphingosine-1-phosphate (S1P) in modulating monocyte-endothelial cell (EC) interactions. S1P and a specific S1P1 receptor agonist prevented monocyte adhesion to aorta in tumor necrosis factor (TNF)-{alpha}-treated mice in vivo. We provide the first evidence to our knowledge that S1P signaling through the endothelial S1P1 receptor protects the vasculature against TNF-{alpha}-mediated monocyte-EC interactions in vivo.  

Evgenia Koutsouki, Cressida A. Beeching, Sadie C. Slater, Orest W. Blaschuk, Graciela B. Sala-Newby, and Sarah J. George
Arterioscler Thromb Vasc Biol. 2005;25:982-988; published online before print March 17 2005, doi:10.1161/01.ATV.0000163183.27658.4b.
Abstract | Full Text | PDF | Data Supplement
We investigated the role of N-cadherin, a transmembrane protein that mediates cell-cell contacts, in VSMC survival. Inhibition of N-cadherin significantly decreased cell-cell contact and survival. Conversely, overexpression of N-cadherin significantly decreased VSMC apoptosis. We suggest that N-cadherin promotes VSMC survival by initiating survival signals via phosphorylation of Akt and Bad.  

Francis Kim, Kelly A. Tysseling, Julie Rice, Matilda Pham, Lutfiyah Haji, Byron M. Gallis, Arnold S. Baas, Pathmaja Paramsothy, Cecilia M. Giachelli, Marshall A. Corson, and Elaine W. Raines
Arterioscler Thromb Vasc Biol. 2005;25:989-994; published online before print February 24 2005, doi:10.1161/01.ATV.0000160549.60980.a8.
Abstract | Full Text | PDF
Free fatty acids (FFA) are commonly elevated in diabetes and obesity and have been shown to impair nitric oxide (NO) production by endothelial cells. Overexpression of a kinase inactive form of IKKß blocks the ability of FFA to inhibit insulin-dependent NO production, whereas overexpression of wild-type IKKß recapitulates the effect of FFA on insulin-dependent NO production. Elevated levels of common FFA found in human serum activate IKKß in endothelial cells leading to reduced NO production, and thus may serve to link pathways involved in inflammation and endothelial dysfunction.  

Erion Qamirani, Yi Ren, Lih Kuo, and Travis W. Hein
Arterioscler Thromb Vasc Biol. 2005;25:995-1001; published online before print February 17 2005, doi:10.1161/01.ATV.0000159890.10526.1e.
Abstract | Full Text | PDF
C-reactive protein (CRP) is not only a marker but also a mediator of inflammation and atherogenesis. Treatment of isolated coronary arterioles with CRP attenuated endothelium-dependent NO-mediated dilation by producing superoxide from NAD(P)H oxidase via p38 kinase activation. By impairing NO-mediated vasoreactivity, CRP could facilitate the initiation of numerous cardiovascular diseases.  

 

Atherosclerosis and LipoproteinsBack

Erik Maquoi, Gabor Vörös, Peter Carmeliet, Désiré Collen, and H. Roger Lijnen
Arterioscler Thromb Vasc Biol. 2005;25:1002-1007; published online before print February 24 2005, doi:10.1161/01.ATV.0000160611.68791.c6.
Abstract | Full Text | PDF | Data Supplement
A role of Gas-6 in adipose tissue homeostasis was investigated in murine models of obesity. Gas-6 expression was transiently downregulated during nutritionally induced expansion of adipose tissues. On exposure to a high-fat-diet, Gas-6 mice were leaner than their wild-type counterparts, suggesting that Gas-6 enhances the accumulation of adipose tissue in diet-induced obesity.  

Iwona Cicha, Atilla Yilmaz, Michael Klein, Dieter Raithel, David R. Brigstock, Werner G. Daniel, Margarete Goppelt-Struebe, and Christoph D. Garlichs
Arterioscler Thromb Vasc Biol. 2005;25:1008-1013; published online before print March 10 2005, doi:10.1161/01.ATV.0000162173.27682.7b.
Abstract | Full Text | PDF | Data Supplement
CTGF protein expression in carotid plaque development was investigated. CTGF levels were significantly increased in vulnerable complicated lesions compared with stable fibrous plaques. CTGF was also shown to act as chemoattractant for human mononuclear cells in vitro, suggesting its importance in atherosclerosis.  

Jian Guo, Vivian de Waard, Miranda Van Eck, Reeni B. Hildebrand, Eva J.A. van Wanrooij, Johan Kuiper, Nobuyo Maeda, G. Martin Benson, Pieter H.E. Groot, and Theo J.C. Van Berkel
Arterioscler Thromb Vasc Biol. 2005;25:1014-1019; published online before print March 17 2005, doi:10.1161/01.ATV.0000163181.40896.42.
Abstract | Full Text | PDF | Data Supplement
Repopulation of apoE knockout mice with CCR2-deficient bone marrow progenitor cells demonstrates that hematopoietic CCR2 does not have a great effect on the progression of established atherosclerotic lesions and lesion composition, ie, macrophage and collagen content, and certainly does not result in lesion regression.  

Eric T. Choi, Emily T. Collins, Leopoldo A. Marine, Maria G. Uberti, Hisashi Uchida, Jeremy E. Leidenfrost, M. Faisal Khan, Kenneth P. Boc, Dana R. Abendschein, and William C. Parks
Arterioscler Thromb Vasc Biol. 2005;25:1020-1025; published online before print March 3 2005, doi:10.1161/01.ATV.0000161275.82687.f6.
Abstract | Full Text | PDF
We studied the role of MMP-9 in rapid atherosclerotic plaque development in a mouse model. Compared with apoE-/- MMP-9+/+ mice, plaque volume and cellular accumulation were significantly reduced in apoE-/- MMP-9-/- mice. Furthermore, plaque burden is intimately linked to MMP-9 generated by resident arterial cells and not the bone marrow-derived cells.  

M.J. Veerkamp, J. de Graaf, and A.F.H. Stalenhoef
Arterioscler Thromb Vasc Biol. 2005;25:1026-1031; published online before print February 24 2005, doi:10.1161/01.ATV.0000160612.18065.29.
Abstract | Full Text | PDF
FCH subjects are insulin resistant even after correction for obesity, which is dependent on lipid phenotype expression. A change in insulin resistance is associated with a change in lipid phenotype expression in time. Finally, insulin resistance or obesity does not fully account for the increased plasma levels of apoB or high occurrence of small dense LDL in FCH.  

Colomba Falcone, Enzo Emanuele, Angela D’Angelo, Maria P. Buzzi, Chiara Belvito, Mariaclara Cuccia, and Diego Geroldi
Arterioscler Thromb Vasc Biol. 2005;25:1032-1037; published online before print February 24 2005, doi:10.1161/01.ATV.0000160342.20342.00.
Abstract | Full Text | PDF
Soluble RAGE could prevent the adverse effects of RAGE signaling by acting as a decoy. We found that low levels of sRAGE in plasma are independently associated with the presence of CAD in nondiabetic men. These findings suggest that sRAGE is one of the clinically important molecules associated with atherosclerosis.  

Nobukazu Ishizaka, Yuko Ishizaka, Ei-Ichi Toda, Ryozo Nagai, and Minoru Yamakado
Arterioscler Thromb Vasc Biol. 2005;25:1038-1044; published online before print March 3 2005, doi:10.1161/01.ATV.0000161274.87407.26.
Abstract | Full Text | PDF
Whether there is an independent association of uric acid with prevalence of carotid atherosclerosis was analyzed. Serum uric acid values are associated with carotid plaque independently of other atherogenic risk factors in men without but not with metabolic syndrome or in women at all.  

Angel Brea, Daniel Mosquera, Eva Martín, Ana Arizti, José L. Cordero, and Emilio Ros
Arterioscler Thromb Vasc Biol. 2005;25:1045-1050; published online before print February 24 2005, doi:10.1161/01.ATV.0000160613.57985.18.
Abstract | Full Text | PDF
In a case-control study, we examined whether nonalcoholic patients with an ultrasound diagnosis of fatty liver had carotid atherosclerosis. Compared with controls, cases showed increased intima-media thickness and plaque prevalence. The casual detection of a fatty liver by abdominal ultrasound should alert to the existence of a high cardiovascular risk.  

George Davey Smith, Debbie A. Lawlor, Roger Harbord, Nic Timpson, Ann Rumley, Gordon D.O. Lowe, Ian N.M. Day, and Shah Ebrahim
Arterioscler Thromb Vasc Biol. 2005;25:1051-1056; published online before print February 24 2005, doi:10.1161/01.ATV.0000160351.95181.d0.
Abstract | Full Text | PDF
In a large study, we demonstrate that CRP levels but not a genetic variant associated with CRP levels were related to hypertension. Furthermore, the CRP association with hypertension was essentially abolished by statistical adjustment for confounding factors. We conclude that elevated CRP levels do not lead to elevated blood pressure.  

Margaret E. Brousseau, Margaret R. Diffenderfer, John S. Millar, Chorthip Nartsupha, Bela F. Asztalos, Francine K. Welty, Megan L. Wolfe, Mats Rudling, Ingemar Björkhem, Bo Angelin, James P. Mancuso, Andres G. Digenio, Daniel J. Rader, and Ernst J. Schaefer
Arterioscler Thromb Vasc Biol. 2005;25:1057-1064; published online before print March 10 2005, doi:10.1161/01.ATV.0000161928.16334.dd.
Abstract | Full Text | PDF | Data Supplement
The effects of cholesteryl ester transfer protein (CETP) inhibition on HDL apoA-I kinetics and surrogate markers of cholesterol synthesis and fecal sterol excretion were assessed in 19 subjects with low HDL. Our data indicate that CETP inhibition with with torcetrapib significantly increased HDL apoA-I pool size because of delayed catabolism, but did not alter fecal sterol excretion.  

 

ThrombosisBack

Ian del Conde, Faisal Nabi, Raúl Tonda, Perumal Thiagarajan, José A. López, and Neal S. Kleiman
Arterioscler Thromb Vasc Biol. 2005;25:1065-1070; published online before print February 10 2005, doi:10.1161/01.ATV.0000159094.17235.9b.
Abstract | Full Text | PDF
Phosphatidylserine expression on monocytes is an important cofactor in the enzymatic reactions of coagulation. Stimulation of monocytes with P-selectin leads to cell activation and the expression of tissue factor, the main initiator of coagulation. Here we show that P-selectin induces phosphatidylserine expression on monocytes through a mechanism dependent on PSGL-1 on the monocyte.  

Andreas Schäfer, Daniela Fraccarollo, Martin Eigenthaler, Piet Tas, Andreas Firnschild, Stefan Frantz, Georg Ertl, and Johann Bauersachs
Arterioscler Thromb Vasc Biol. 2005;25:1071-1077; published online before print March 10 2005, doi:10.1161/01.ATV.0000161926.43967.df.
Abstract | Full Text | PDF
Congestive heart failure is associated with progressive vascular endothelial dysfunction, reduced systemic NO bioavailability, and platelet activation in vivo. Chronic treatment with the 3-hydroxy-3-methylglutaryl CoA reductase inhibitor rosuvastatin in rats with heart failure after myocardial infarction improved NO bioavailability and reduced platelet activation.  

Jie Dong, Satoshi Fujii, Hongmei Li, Hidekazu Nakabayashi, Masaharu Sakai, Shinzo Nishi, Daisuke Goto, Tomoo Furumoto, Shogo Imagawa, Tarikuz A.K.M. Zaman, and Akira Kitabatake
Arterioscler Thromb Vasc Biol. 2005;25:1078-1084; published online before print February 17 2005, doi:10.1161/01.ATV.0000159701.24372.49.
Abstract | Full Text | PDF
IL-6 increases hepatic PAI-1 expression mediated by the -232- to -210-bp region of the promoter containing a C/EBP{delta} binding site. Mevastatin attenuated IL-6-mediated increase of C/EBP{delta} protein in the nuclear extracts. C/EBP{delta} may be responsible for hepatic PAI-1 expression induced by IL-6 and its attenuation by statins.  

 

Letters to the EditorBack

Lipopolysaccharide, Toll-Like Receptors, and the Immune Contribution to Atherosclerosis

Terence M. Doherty, Prediman K. Shah, Moshe Arditi, Lynn L. Stoll, Gerene M. Denning, and Neal L. Weintraub
Arterioscler Thromb Vasc Biol. 2005;25:e38-e39, doi:10.1161/01.ATV.0000161318.83751.08.
Full Text | PDF  

Natural Killer T Cells in Atherosclerosis

Yuri V. Bobryshev, Israel F. Charo, and Ara M. Aslanian
Arterioscler Thromb Vasc Biol. 2005;25:e40, doi:10.1161/01.ATV.0000161317.01678.75.
Full Text | PDF  

Vitamin D Nutrition Does Not Cause Peripheral Artery Disease

Reinhold Vieth, Robert Scragg, P.E. Norman, and J.T. Powell
Arterioscler Thromb Vasc Biol. 2005;25:e41-e42, doi:10.1161/01.ATV.0000164308.43228.92.
Full Text | PDF  

 

AbstractsBack

Abstracts of the 6th Annual Conference on Arteriosclerosis, Thrombosis, and Vascular Biology


Arterioscler Thromb Vasc Biol. 2005;25:e43-e109.
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