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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Grönros, J. Wikström, J. Brandt-Eliasson, U. Forsberg, G. B. Behrendt, M. Hansson, G. I. Gan, L. M. |
| Description | Country affiliation: Sweden Author Affiliation: Grönros J ( Department of Physiology, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, Göteborg University, Göteborg, Sweden.) |
| Abstract | This study investigated the effects of rosuvastatin on plaque progression and in vivo coronary artery function in apolipoprotein E-knockout (ApoE-KO) mice, using noninvasive high-resolution ultrasound techniques. Eight-week-old male ApoE-KO mice (n = 20) were fed a high-fat diet with or without rosuvastatin (10 micromol.kg(-1).day(-1)) for 16 wk. When compared with control, rosuvastatin reduced total cholesterol levels (P < 0.05) and caused significant retardation of lesion progression in the brachiocephalic artery, as visualized in vivo using an ultrasound biomicroscope (P < 0.05). Histological analysis confirmed the reduction of brachiocephalic atherosclerosis and also revealed an increase in collagen content in the statin-treated group (P < 0.05). Coronary volumetric flow was measured by simultaneous recording of Doppler velocity signals and left coronary artery morphology before and during adenosine infusion. The hyperemic flow in response to adenosine was significantly greater in left coronary artery following 16 wk of rosuvastatin treatment (P < 0.001), whereas the baseline flow was similar in both groups. In conclusion, rosuvastatin reduced brachiocephalic artery atherosclerotic plaques in ApoE-KO mice. Coronary artery function assessed using recently developed in vivo ultrasound-based protocols, also improved. |
| File Format | HTM / HTML |
| ISSN | 03636135 |
| e-ISSN | 15221539 |
| Journal | AJP: Heart and Circulatory Physiology |
| Issue Number | 5 |
| Volume Number | 295 |
| Language | English |
| Publisher | American Physiological Society |
| Publisher Date | 2008-11-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Physiology Discipline Cardiology Apolipoproteins E Deficiency Atherosclerosis Prevention & Control Brachiocephalic Trunk Drug Effects Coronary Vessels Fluorobenzenes Pharmacology Hydroxymethylglutaryl-coa Reductase Inhibitors Pyrimidines Sulfonamides Animals Genetics Metabolism Physiopathology Biological Markers Blood Blood Flow Velocity Pathology Coronary Circulation Disease Models, Animal Disease Progression Inflammation Mediators Lipids Mice Mice, Inbred C57bl Mice, Knockout Regional Blood Flow Rosuvastatin Calcium Time Factors Ultrasonography Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Physiology (medical) Cardiology and Cardiovascular Medicine |
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