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Serum Paraoxonase 1 Activity Is Associated With Fatty Acid Composition of High Density Lipoprotein Publisher Pubmed



Boshtam M1 ; Emami Razavi A2 ; Pourfarzam M3 ; Ani M3 ; Naderi GA1 ; Basati G4 ; Mansourian M5 ; Dinani NJ1 ; Asgary S6 ; Abdi S7
Authors
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Authors Affiliations
  1. 1. Isfahan Cardiovascular Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Iran National Tumor Bank, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Clinical Biochemistry, Isfahan Pharmaceutical Sciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Department of Clinical Biochemistry, Faculty of Allied Medical Sciences, Ilam University of Medical Sciences, Ilam, Iran
  5. 5. Epidemiology and Biostatistics Department, Health School, Isfahan University of Medical Sciences, Isfahan, Iran
  6. 6. Apply Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  7. 7. Department of Physics, Safadasht Branch, Islamic Azad University, Tehran, Iran

Source: Disease Markers Published:2013


Abstract

Introduction. Cardioprotective effect of high density lipoprotein (HDL) is, in part, dependent on its related enzyme, paraoxonase 1 (PON1). Fatty acid composition of HDL could affect its size and structure. On the other hand, PON1 activity is directly related to the structure of HDL. This study was designed to investigate the association between serum PON1 activity and fatty acid composition of HDL in healthy men. Methods. One hundred and forty healthy men participated in this research. HDL was separated by sequential ultracentrifugation, and its fatty acid composition was analyzed by gas chromatography. PON1 activity was measured spectrophotometrically using paraxon as substrate. Results. Serum PON1 activity was directly correlated with the amount of stearic acid and dihomo-gamma-linolenic acid (DGLA). PON1/HDL-C was directly correlated with the amount of miristic acid, stearic acid, and DGLA and was inversely correlated with total amount of ω6 fatty acids of HDL. Conclusion. The fatty acid composition of HDL could affect the activity of its associated enzyme, PON1. As dietary fats are the major determinants of serum lipids and lipoprotein composition, consuming some special dietary fatty acids may improve the activity of PON1 and thereby have beneficial effects on health. © 2013 Maryam Boshtam et al.
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