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J Am Coll Cardiol, 2002; 40:820-825
© 2002 by the American College of Cardiology Foundation
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Production of 8-epi prostaglandin F2{alpha} in human platelets during administration of organic nitrates

Lawrence T. McGrath, MSc, PhD*,*, Lana Dixon, MB, MRCP*, David R. Morgan, BMedSci, MB, MRCP* and Gary E. McVeigh, MD, PhD, FRCP*

* Department of Therapeutics and Pharmacology, Queen’s University Belfast, Belfast, Ireland



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Figure 1 Plasma ascorbate concentrations at baseline and after 72 h of nonintermittent transdermal nitroglycerin (NTG) (10 mg/24 h) with co-administration of placebo (NTG/placebo) or ascorbic acid (NTG/ascorbate). Data are presented as the mean value (95% CI). *p < 0.01.

 


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Figure 2 Platelet membrane esterified 8-epi prostaglandin2{alpha} (isoprostane) content at baseline and after 72 h of nonintermittent transdermal nitroglycerin (NTG) (10 mg/24 h) with co-administration of placebo (NTG/placebo) or ascorbic acid (NTG/ascorbate). Data are presented as the mean value (95% CI). *p < 0.05.

 


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Figure 3 Change in platelet membrane esterified 8-epi prostaglandin F2{alpha} (isoprostane) content after 72 h of nonintermittent transdermal nitroglycerin (NTG) (10 mg/24 h) with co-administration of placebo (NTG/placebo) or ascorbic acid (NTG/ascorbate). Data are presented as the mean value (95% CI). *p < 0.05.

 




 
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