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J. Clin. Med. 2019, 8(4), 441; https://doi.org/10.3390/jcm8040441

Paraoxonase 1 Activity, Polymorphism and Atherosclerosis Risk Factors in Patients Undergoing Coronary Artery Surgery

1
Internal Medicine in Nursing Department, Medical University of Lublin, 20-090 Lublin, Poland
2
Biochemistry and Molecular Biology Department, Medical University of Lublin, 20-093 Lublin, Poland
3
Cardiology Department, Medical University of Lublin, 20-954 Lublin, Poland
4
Cardiosurgery Department, Medical University of Lublin, 20-954 Lublin, Poland
*
Author to whom correspondence should be addressed.
Received: 28 February 2019 / Revised: 26 March 2019 / Accepted: 27 March 2019 / Published: 30 March 2019
(This article belongs to the Section Cardiology)
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Abstract

Background: Paraoxonase1 (PON1), an enzyme connected to high density lipoproteins (HDL) particles, plays an important role in protecting arteries against atherosclerosis. The serum activity and concentration of PON1 depends on several genetic polymorphisms as well as environmental factors. Materials and methods: Investigated population consisted of 71 patients aged 43–76 years with confirmed coronary heart disease (CHD). Established risk factors of CHD such as hypertension, elevated total cholesterol and LDL cholesterol (LDL-C), low HDL cholesterol (HDL-C), diabetes mellitus, obesity, smoking and premature CHD in family history were assessed. PON1 genotype for −108C/T promotor region was determined by polymerase chain reaction-restriction fragments length polymorphism (PCR–RFLP) method. Paraoxonase activity towards paraoxon and arylesterase activity towards phenyl acetate were measured spectrophotometrically. Results: Significant correlations between diabetes mellitus and paraoxonase activity (R = −0.264, p = 0.026) and between the premature coronary heart disease in family history and PON1 activity (R = −0.293, p = 0.013) were found. In multivariate analysis, PON1 paraoxonase activity was independently of confounding factors associated with diabetes (OR = 0.985; p = 0.024) and premature CHD in family history (OR = 0.983; p = 0.027). PON1 activity towards aryl acetate positively correlated with HDL-C level (R = 0.255, p = 0.032). In patients treated with statins, PON1 paraoxonase activity was significantly (p = 0.033) higher than in patients without treatment. Conclusions: In diabetic patients with CHD, paraoxonase activity is lower than in normoglycemic patients despite similar lipid profiles. Diabetes and positive family history in patients with overt CHD are associated with the serum PON1 activity, which might be an additional factor helpful in evaluating cardiovascular risk in this group of patients. View Full-Text
Keywords: paraoxonase; coronary heart disease; risk factor paraoxonase; coronary heart disease; risk factor
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Wysocka, A.; Cybulski, M.; Wysokiński, A.P.; Berbeć, H.; Stążka, J.; Zapolski, T. Paraoxonase 1 Activity, Polymorphism and Atherosclerosis Risk Factors in Patients Undergoing Coronary Artery Surgery. J. Clin. Med. 2019, 8, 441.

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