| Atorvastatin does not Affect Ischaemia-Induced Phosphatidylserine Exposition in Humans in-vivo. | |
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MedLine Citation:
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PMID: 22146238 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Aim: Statins can induce pharmacologic preconditioning and thereby reduce infarct size. Cellular phosphatidylserine (PS) exposition occurs in the course of ischaemia and reperfusion and has been associated with injury. In this experiment we studied the effect of atorvastatin on PS exposition after a standardised ischaemia and reperfusion challenge.Methods: In a double-blind randomised cross-over trial 30 healthy volunteers were allocated to 3 day treatment with atorvastatin (80 mg/day) and placebo (n= 24), or placebo treatment twice (n= 6). At the end of each treatment period, volunteers underwent 10 minutes of forearm ischaemic exercise. At reperfusion radiolabeled annexin A5 was administered intravenously and Gamma camera imaging of both hands was performed 1 and 4 hours after reperfusion.Results: Annexin A5 targeting was not different between atorvastatin treatment (26.1±9.8% and 24.0±9.5% respectively at 1 and 4 hours after reperfusion) and placebo treatment (25.6±11.0% and 24.5±10.7%) (p= 0.99). Our time control experiment did not reveal a carry-over effect.Conclusions: Our results show that treatment with atorvastatin 80 mg does not reduce forearm PS exposition after ischaemic exercise. This suggests that the role of PS exposure in the prevention of ischemia and reperfusion injury by short term treatment with atorvastatin is limited. |
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Authors:
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Constantijn W Wouters; Patrick Meijer; Carola I F Janssen; Geert W J Frederix; Wim J Oyen; Otto C Boerman; Paul Smits; Gerard A Rongen |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-7 |
Journal Detail:
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Title: Journal of atherosclerosis and thrombosis Volume: - ISSN: 1880-3873 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9506298 Medline TA: J Atheroscler Thromb Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Pharmacology-Toxicology, Radboud University Nijmegen Medical Centre. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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