3-Nitrotyrosine in Atherosclerotic Blood Vessels

Verfasser / Beitragende:
[Nehir Sucu, Ali ünlü, Lülüfer Tamer, Barlas Aytacoglu, Bahadir Ercan, Murat Dikmengil, Ugur Atik]
Ort, Verlag, Jahr:
2003
Enthalten in:
Clinical Chemistry and Laboratory Medicine, 41/1(2003-01-27), 23-25
Format:
Artikel (online)
ID: 378869574
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024 7 0 |a 10.1515/CCLM.2003.005  |2 doi 
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245 0 0 |a 3-Nitrotyrosine in Atherosclerotic Blood Vessels  |h [Elektronische Daten]  |c [Nehir Sucu, Ali ünlü, Lülüfer Tamer, Barlas Aytacoglu, Bahadir Ercan, Murat Dikmengil, Ugur Atik] 
520 3 |a The effect of peroxynitrite on the development of atherosclerosis is one of the major foci of recent studies. Here, the cytotoxic effect of peroxynitrite was investigated by quantitatively measuring nitrated tyrosine, 3-nitrotyrosine (3-NT) levels in atherosclerotic blood vessels. Atherosclerotic vessels were obtained from the patients who underwent either coronary artery or peripheric artery bypass surgery. Internal thoracic arteries of the patients were treated as non-atherosclerotic control vessels. 3-NT was measured by reverse-phase HPLC and plasma nitrite-nitrate levels were measured by spectrophotometry. 3-NT levels were significantly elevated in atherosclerotic vessels (46.6±23.3 nmol/mg protein, n = 15; p < 0.001) in comparison to control vessels (15.8±2.5 nmol/mg protein, n = 10). Vessel 3-NT correlated weakly with plasma nitrate levels (r = 0.38). Thus, atherosclerotic arteries have higher 3-NT levels than non-atherosclerotic blood vessels. 
540 |a Copyright © 2003 by Walter de Gruyter GmbH & Co. KG 
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