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Arteriosclerosis, Thrombosis, and Vascular Biology
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Volume 24, Issue 7; July 1, 2004

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In MemoriamBack

Gardner Craddock McMillan

Momtaz Wassef
Arterioscler Thromb Vasc Biol. 2004;24:1326-1327, doi:10.1161/01.ATV.0000134967.87210.a2.
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EditorialsBack

Myeloperoxidase and Plaque Vulnerability

Stanley L. Hazen
Arterioscler Thromb Vasc Biol. 2004;24:1143-1146, doi:10.1161/01.ATV.0000135267.82813.52.
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Origin of Neointimal Cells in Autologous Vein Graft

Masataka Sata and Ryozo Nagai
Arterioscler Thromb Vasc Biol. 2004;24:1147-1149, doi:10.1161/01.ATV.0000134296.22448.eb.
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Brief ReviewsBack

Raymond E. Soccio and Jan L. Breslow
Arterioscler Thromb Vasc Biol. 2004;24:1150-1160; published online before print May 6 2004, doi:10.1161/01.ATV.0000131264.66417.d5.
Abstract | Full Text | PDF
Intracellular cholesterol transport is essential for the maintenance of cholesterol homeostasis. Many aspects of cholesterol metabolism are well-known, including its synthesis in the endoplasmic reticulum, its extracellular transport in plasma lipoproteins, its uptake by the low-density lipoprotein receptor, and its regulation of SREBP and LXR transcription factors. In this review, we discuss cholesterol transport among specific intracellular compartments, emphasizing the relevance of these pathways to cholesterol homeostasis.  

Moeen Abedin, Yin Tintut, and Linda L. Demer
Arterioscler Thromb Vasc Biol. 2004;24:1161-1170; published online before print May 20 2004, doi:10.1161/01.ATV.0000133194.94939.42.
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Vascular calcification involves a complex biomineralization process that resembles osteogenesis. It is regulated by bone proteins and osteoblast-like cells found in the artery wall. Understanding its mechanism has implications for management of vascular disease, particularly in the context of bone disease.  

Kwang Kon Koh and Ichiro Sakuma
Arterioscler Thromb Vasc Biol. 2004;24:1171-1179; published online before print May 6 2004, doi:10.1161/01.ATV.0000131262.98040.65.
Abstract | Full Text | PDF
Recent randomized controlled trials have caused many people to suggest that the inclusion of the progestin in the HRT portion of this study is responsible for the adverse cardiovascular outcomes observed. Discussion of this issue is the focus of this review article.  

 

Vascular BiologyBack

Brian C. Cooley
Arterioscler Thromb Vasc Biol. 2004;24:1180-1185; published online before print April 22 2004, doi:10.1161/01.ATV.0000129330.19057.9f.
Abstract | Full Text | PDF | Data Supplement
Vein grafting between Rosa26 (constitutive marker gene expression) and wild-type mice demonstrated that neointimal cells originate predominantly from the vein graft. Neointimal proliferation appeared early and adjacent to the graft-preserved endothelium. Neointimal thickening was progressive with time and was greater at the proximal and distal ends of the graft.  

Zheng-Gen Jin, Andreea O. Lungu, Liang Xie, Meng Wang, Chelsea Wong, and Bradford C. Berk
Arterioscler Thromb Vasc Biol. 2004;24:1186-1191; published online before print May 6 2004, doi:10.1161/01.ATV.0000130664.51010.28.
Abstract | Full Text | PDF
This work defines a new role of cyclophilin A (CyPA) in endothelial cells as pro-inflammatory cytokine. We showed that CyPA was highly expressed in atherosclerotic plaques, and CyPA stimulated endothelial activation, induced expression of adhesion molecules and induced apoptosis, suggesting a potential role of CyPA in the pathogenesis of atherosclerosis.  

Herbert Mayer, Martin Bilban, Vladislav Kurtev, Florian Gruber, Oswald Wagner, Bernd R. Binder, and Rainer de Martin
Arterioscler Thromb Vasc Biol. 2004;24:1192-1198; published online before print May 6 2004, doi:10.1161/01.ATV.0000131263.06296.77.
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We analyzed the early gene expression program of IL-1-stimulated ECs using microarray technology, particularly focusing on TF profiles. Furthermore, large-scale bioinformatic comparisons of promoter sequence sets led to the identification of a novel DNA binding site that was shown to specifically bind an IL-1-inducible protein.  

Thomas Skurk, Vanessa van Harmelen, and Hans Hauner
Arterioscler Thromb Vasc Biol. 2004;24:1199-1203; published online before print May 6 2004, doi:10.1161/01.ATV.0000131266.38312.2e.
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The effect of angiotensin (Ang) II on the production of IL-6 and IL-8 in in vitro differentiated human adipocytes was studied. Ang II-stimulated IL-6 and IL-8 production by a NF-{kappa}B-dependent pathway. This proinflammatory action of Ang II was mediated by the AT1 and less by the AT2 receptor.  

Sadie C. Slater, Evgenia Koutsouki, Christopher L. Jackson, Raymond C. Bush, Gianni D. Angelini, Andrew C. Newby, and Sarah J. George
Arterioscler Thromb Vasc Biol. 2004;24:1204-1210; published online before print April 29 2004, doi:10.1161/01.ATV.0000130464.24599.e0.
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Human VSMCs that overexpress AIF-1 grow more rapidly and express G-CSF. G-CSF is capable of promoting VSMC proliferation, and AIF-1-transduced VSMCs are chemotactic for monocytes. This study indicates that AIF-1 enhances VSMC growth by autocrine production of G-CSF, and AIF-1 expression may influence VSMC-inflammatory cell communication.  

Ravindra B. Kodali, William J.H. Kim, Irfan I. Galaria, Christine Miller, Alison D. Schecter, Sergio A. Lira, and Mark B. Taubman
Arterioscler Thromb Vasc Biol. 2004;24:1211-1216; published online before print May 6 2004, doi:10.1161/01.ATV.0000131654.90788.f5.
Abstract | Full Text | PDF
CCL11 (Eotaxin) is an eosinophil chemoattractant that is abundant in atheromatous plaques. Mouse aortic smooth muscle cells (SMCs) possessed mRNA and protein for CCR3, the major CCL11 receptor. CCL11 induced CCR3-dependent SMC chemotaxis, but not proliferation. CCR3 and CCR11 were also markedly induced in arterial SMCs 5 and 28 days after femoral arterial injury.  

Xing Chen, Sheri E. Kelemen, and Michael V. Autieri
Arterioscler Thromb Vasc Biol. 2004;24:1217-1222; published online before print April 29 2004, doi:10.1161/01.ATV.0000130024.50058.de.
Abstract | Full Text | PDF | Data Supplement
Human VSMCs that overexpress AIF-1 grow more rapidly and express G-CSF. G-CSF is capable of promoting VSMC proliferation, and AIF-1-transduced VSMCs are chemotactic for monocytes. This study indicates that AIF-1 enhances VSMC growth by autocrine production of G-CSF, and AIF-1 expression may influence VSMC-inflammatory cell communication.  

Lian Zuo, Masuko Ushio-Fukai, Lula L. Hilenski, and R. Wayne Alexander
Arterioscler Thromb Vasc Biol. 2004;24:1223-1228; published online before print May 13 2004, doi:10.1161/01.ATV.0000132400.25045.2a.
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The role of microtubules in angiotensin II (Ang II) signaling remains unknown. We demonstrate that Ang II promotes Rac1 and Ang II type 1 receptor trafficking into the caveolae/lipid rafts, which requires the integrity of microtubules. We also found that intact microtubules mediate Ang II-stimulated H2O2 production, its downstream EGF-R transactivation, Akt phosphorylation, and vascular hypertrophy.  

Wolfram Scharbrodt, Christoph Rüdiger Wolfram Kuhlmann, Yongijan Wu, Christian Alexander Schaefer, Astrid Kerstin Most, Ulrich Backenköhler, Thomas Neumann, Harald Tillmanns, Bernd Waldecker, Ali Erdogan, and Johannes Wiecha
Arterioscler Thromb Vasc Biol. 2004;24:1229-1233; published online before print May 6 2004, doi:10.1161/01.ATV.0000130663.37663.6a.
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The effect of bFGF on inward rectifier K+ currents (Kir) was analyzed in HUVEC. bFGF caused an increase of Kir, which was blocked by barium. Endothelial proliferation and NO production induced by bFGF were inhibited by reducing Kir activity with barium.  

Huai Bai, Colin D. McCaig, John V. Forrester, and Min Zhao
Arterioscler Thromb Vasc Biol. 2004;24:1234-1239; published online before print May 6 2004, doi:10.1161/01.ATV.0000131265.76828.8a.
Abstract | Full Text | PDF | Data Supplement
Electrical stimulation of 150 to 400 mV/mm induces distinctive preangiogenesis responses by directing microvascular endothelial cells to migrate toward the cathode, whereas macrovascular endothelial cells, fibroblasts, and smooth muscle cells migrate to the anode. The cell type-specific responses suggest that electrical stimulation may play a spatial organizing role in angiogenesis.  

Anna Solini, Paola Chiozzi, Anna Morelli, Elena Adinolfi, Roberta Rizzo, Olavio R. Baricordi, and Francesco Di Virgilio
Arterioscler Thromb Vasc Biol. 2004;24:1240-1245; published online before print May 20 2004, doi:10.1161/01.ATV.0000133193.11078.c0.
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Fibroblasts from type 2 diabetic subjects exhibit a higher level of P2X7 receptor activity compared with fibroblasts from healthy subjects, as witnessed by a larger ATP-dependent release of IL-6 and fibronectin and a higher susceptibility to ATP-dependent cytotoxicity. In addition, fibroblasts from diabetic subjects also secrete a larger amount of ATP compared with controls.  

Jin-Ho Choi, Koung Li Kim, Wooseong Huh, Beom Kim, Jonghoe Byun, Wonhee Suh, Jidong Sung, Eun-Seok Jeon, Ha-Young Oh, and Duk-Kyung Kim
Arterioscler Thromb Vasc Biol. 2004;24:1246-1252; published online before print May 20 2004, doi:10.1161/01.ATV.0000133488.56221.4a.
Abstract | Full Text | PDF | Data Supplement
Our study shows that EPC is numerically and functionally impaired in CRF. This may contribute to the accelerated atherosclerosis and impaired angiogenesis observed in patients with CRF. Altered biology of EPC may therefore account for the increased cardiovascular disease risk in CRF.  

Kathryn G. Lamping, Jürgen Wess, Yinghong Cui, Daniel W. Nuno, and Frank M. Faraci
Arterioscler Thromb Vasc Biol. 2004;24:1253-1258; published online before print May 6 2004, doi:10.1161/01.ATV.0000130661.82773.ca.
Abstract | Full Text | PDF
This study examined the M receptor subtype (M2 versus M3 receptors) involved in the response of coronary circulation to ACh using mice deficient in the genes for M2 and M3 receptors. M3 receptor activation and not M2 receptors primarily mediates responses to ACh in the coronary circulation.  

 

Atherosclerosis and LipoproteinsBack

Francesco Cipollone, Maria Fazia, Annalisa Iezzi, Giovanni Ciabattoni, Barbara Pini, Chiara Cuccurullo, Sante Ucchino, Francesco Spigonardo, Mariella De Luca, Cesaria Prontera, Francesco Chiarelli, Franco Cuccurullo, and Andrea Mezzetti
Arterioscler Thromb Vasc Biol. 2004;24:1259-1265; published online before print May 20 2004, doi:10.1161/01.ATV.0000133192.39901.be.
Abstract | Full Text | PDF | Data Supplement
The aim of this study was to investigate whether the balance between PGD synthase and PGE synthase activity in macrophages could influence the evolution of human atherosclerotic plaque toward instability. Results clearly demonstrate that COX-2 may have proinflammatory or antiinflammatory properties as a function of downstream PGH2 isomerases expression.  

Allen P. Burke, Frank D. Kolodgie, Arthur Zieske, David R. Fowler, Deena K. Weber, P. Jacob Varghese, Andrew Farb, and Renu Virmani
Arterioscler Thromb Vasc Biol. 2004;24:1266-1271; published online before print May 13 2004, doi:10.1161/01.ATV.0000131783.74034.97.
Abstract | Full Text | PDF | Data Supplement
In sudden coronary death, there is a prominent role of plaque-infiltrating macrophages and T cells in the progression of atherosclerosis in diabetic subjects. The expression of RAGE (receptor for advanced glycation end products) and the binding protein (S100 A12, EN-RAGE) may further compromise cell survival and promote plaque destabilization.  

Paolo Raggi, Tracy Q. Callister, and Leslee J. Shaw
Arterioscler Thromb Vasc Biol. 2004;24:1272-1277; published online before print April 1 2004, doi:10.1161/01.ATV.0000127024.40516.ef.
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Statins reduce risk by only 30%, and a direct measurement of change in atherosclerosis burden may provide a clue to the persistent risk measured in subjects at risk. On sequential computed tomography scans, the progression of coronary calcification was significantly greater in patients who had an event compared with event-free subjects despite similar low-density lipoprotein control.  

Paul Norman, Max Le, Carole Pearce, and Konrad Jamrozik
Arterioscler Thromb Vasc Biol. 2004;24:1278-1282; published online before print May 6 2004, doi:10.1161/01.ATV.0000131261.12051.7f.
Abstract | Full Text | PDF
Infrarenal aortic diameter was measured in 12 203 men. Cumulative mortality increased in a graded fashion with increasing aortic diameter. Using the interval 19 to 22 mm as the reference, the hazard ratio for all-cause mortality increased from 1.26 for aortic diameters of 23 to 26 mm to 2.38 for aortic diameters of 47 to 50 mm.  

Eileen R. Mulvihill, Jochen Jaeger, Rimli Sengupta, Walter L. Ruzzo, Cecile Reimer, Sheila Lukito, and Stephen M. Schwartz
Arterioscler Thromb Vasc Biol. 2004;24:1283-1289; published online before print May 13 2004, doi:10.1161/01.ATV.0000132401.12275.0c.
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We characterized gene expression in plaque and medial SMC cultures developed from human carotid endarterectomy specimens. These cells were nearly indistinguishable by morphological features, population doubling time, and sensitivity to cell death induced by Fas cross-linking. Surprisingly, array expression analysis identified differences so extensive that we conclude that plaque and medial SMC are distinctly different SMC cell types.  

Carmen A. Argmann, Cynthia G. Sawyez, Shaohua Li, Zengxuan Nong, Robert A. Hegele, J. Geoffrey Pickering, and Murray W. Huff
Arterioscler Thromb Vasc Biol. 2004;24:1290-1296; published online before print May 6 2004, doi:10.1161/01.ATV.0000131260.80316.37.
Abstract | Full Text | PDF | Data Supplement
We tested whether epithelioid and spindle-shaped human SMCs differentially accumulated lipid on exposure to native and oxidized lipoproteins. Spindle-shaped HITB5 cells preferentially accumulated cholesteryl ester and triglyceride, whereas the epithelioid-like HITA2 SMCs required exogenous LPL to accumulate lipid in the presence of lipoproteins. Therefore, SMC subtypes are differentially predisposed to a lipid-accumulating phenotype.  

Nadine Baroukh, Eric Bauge, Jennifer Akiyama, Jessie Chang, Veena Afzal, Jean-Charles Fruchart, Edward M. Rubin, Jamila Fruchart-Najib, and Len A. Pennacchio
Arterioscler Thromb Vasc Biol. 2004;24:1297-1302; published online before print April 29 2004, doi:10.1161/01.ATV.0000130463.68272.1d.
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To address the relationship between the apolipoprotein A5 and C3 genes, we generated independent lines of mice that either overexpressed or completely lacked both genes. We report both lines display normal triglyceride concentrations compared with overexpression or deletion of either gene alone. Together, these data support that APOA5 and APOC3 independently influence plasma triglyceride concentrations but in an opposing manner.  

Tuula Janatuinen, Juhani Knuuti, Jyri O. Toikka, Markku Ahotupa, Pirjo Nuutila, Tapani Rönnemaa, and Olli T. Raitakari
Arterioscler Thromb Vasc Biol. 2004;24:1303-1308; published online before print May 13 2004, doi:10.1161/01.ATV.0000132409.87124.60.
Abstract | Full Text | PDF
In this randomized, double-blind study, low-density lipoprotein (LDL) oxidation and myocardial perfusion were measured in 42 normocholesterolemic patients with type 1 diabetes before and after 4-month treatment with pravastatin or placebo. Pravastatin decreased LDL oxidation; however, this was not associated with improvement in myocardial perfusion reserve measured by positron emission tomography.  

 

ThrombosisBack

Seigo Sugiyama, Kiyotaka Kugiyama, Masanori Aikawa, Shinichi Nakamura, Hisao Ogawa, and Peter Libby
Arterioscler Thromb Vasc Biol. 2004;24:1309-1314; published online before print May 13 2004, doi:10.1161/01.ATV.0000131784.50633.4f.
Abstract | Full Text | PDF | Data Supplement
Coronary erosion causes acute coronary syndromes (ACS). Macrophages at sites of ulceration in human atheromata can contain myeloperoxidase (MPO) that generates hypochlorous acid (HOCl). HOCl provokes endothelial cell death by either apoptosis or oncosis and increases tissue factor. MPO-positive macrophage-derived HOCl may participate in ACS by promoting erosion and increasing thrombogenicity.  

Mariska G. Rondaij, Erica Sellink, Karina A. Gijzen, Jean Paul ten Klooster, Peter L. Hordijk, Jan A. van Mourik, and Jan Voorberg
Arterioscler Thromb Vasc Biol. 2004;24:1315-1320; published online before print May 6 2004, doi:10.1161/01.ATV.0000131267.13425.45.
Abstract | Full Text | PDF | Data Supplement
Epinephrine, a cAMP-raising agonist of WPB exocytosis, activates the small GTPase Ral in a PKA-dependent manner. Furthermore, a cell-permeable, Ral-derived peptide inhibited epinephrine-induced and thrombin-induced vWF secretion. These results suggest that Ral is a crucial component of cAMP-dependent and Ca2+-dependent signaling pathways that mediate WPB exocytosis.  

Alfonso Buil, José Manuel Soria, Juan Carlos Souto, Laura Almasy, Mark Lathrop, John Blangero, and Jordi Fontcuberta
Arterioscler Thromb Vasc Biol. 2004;24:1321-1325; published online before print May 13 2004, doi:10.1161/01.ATV.0000132408.13064.09.
Abstract | Full Text | PDF
As part of the Genetic Analysis of Idiopathic Thrombophilia (GAIT) Project, we conducted a genome-wide linkage scan to localize genes influencing variation in PC plasma levels. Our results provide strong evidence for a locus (QTL) on chromosome 16. This locus is likely the NQO1 gene that influences PC levels.  

 

Letters to the EditorBack

Vitamin E Is Not Deficient in Human Atherosclerotic Plaques

Anatol Kontush, M. John Chapman, and Roland Stocker
Arterioscler Thromb Vasc Biol. 2004;24:e139-e140, doi:10.1161/01.ATV.0000131259.97572.99.
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Supplemented {alpha}-Tocopherol Apparently Does Not Enter the Plaque Compartment

Fausta Micheletta, Silvia Natoli, and Luigi Iuliano
Arterioscler Thromb Vasc Biol. 2004;24:e141-e142, doi:10.1161/01.ATV.0000133190.17531.ec.
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CorrectionsBack

Correction


Arterioscler Thromb Vasc Biol. 2004;24:1328.
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