Publication:
Paraoxonase-1 Phenotype and Its Relationship with Mean Platelet Volume and Oxidative Stress in Coronary Artery Disease

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2015-09-01

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SELEK, ŞAHBETTİN
ÖZER, ÖMER FARUK
GOKTEKİN, Omer
KOÇYİĞİT, ABDÜRRAHİM
KALINBACOGLU, Ceren
ISLEK, Irem
ISLEK, Tuğba
ARPACI, Beyza
Erol, Neval
MEYDAN, Sedat

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Abstract

Objective: Paraoxonase-1 (PON1) 192 QR polymorphism is believed to be an important protective factor for coronary artery disease (CAD); oxidative stress plays a key role in the development of atherosclerotic CAD. Mean platelet volume (MPV) is also central to the processes, including pathophysiology of CAD and endothelial dysfunction. Thus, we aimed to determine the PON1 phenotype, MPV, and oxidative stress parameters in patients with angiographically proven CAD and to compare them with those in healthy subjects. Methods: Fifty-five CAD patients were diagnosed according to the angiography results, and 37 healthy subjects were present in this study. Serum paraoxonase and arylesterase activities were spectrophotometrically measured. Phenotype distribution was evaluated by the salt-stimulated paraoxonase activity according to arylesterase activity. Oxidative stress markers were evaluated by measuring serum total oxidant status (TOS) and total antioxidant status (TAS) as well as oxidative stress index. Results: In this study, the ratio of salt-stimulated paraoxonase/ OSI levels (S-PON1/OSI) were lower in the CAD patients and the differences were statistically significant (p<0.05). Therefore, the ratio of salt-stimulated paraoxonase/MPV (S -PON1/MPV) and S- PON1/OSI level were significantly different in the CAD patients as compared with controls group (p<0.01). Conclusion: Our study has suggested that S-PON1/OSI and SPON1/ MPV may play a significant role in CAD. To the best of our knowledge, the present study is the first to study the relationship among PON1 phenotype, MPV, and OSI in CAD patients. Thus, lowering of the oxidative stress and the regulation of MPV strategies may be a promising approach for the treatment of CAD.

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Paraoxonase, arylesterase, MPV, total antioxidant status, total oxidant status, oxidative stress index

Citation

SELEK Ş., ÖZER Ö. F. , GOKTEKİN O., KOÇYİĞİT A., KALINBACOGLU C., ISLEK I., ISLEK T., ARPACI B., EROL N., -Paraoxonase-1 Phenotype and Its Relationship with Mean Platelet Volume and Oxidative Stress in Coronary Artery Disease-, BEZMIALEM SCIENCE, cilt.3, ss.24-28, 2015
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