The interaction of the dietary antioxidant status indices and paraoxonase1 rs662 polymorphism on the lipid profile and severity of coronary artery stenosis in adults undergoing coronary angiography
Mina Darand , Mohammad Haji Aghajani , Vahid Arabi , Fatemeh Sadat Mirjalili , Matin Mohyadini , Amin Salehi-Abargouei
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引用次数: 0
Abstract
Background and aim
The inconsistency in the results of studies related to the effect of dietary antioxidant factors on the state of health and disease prompted us to investigate the interaction of dietary antioxidant indices—namely the Dietary Antioxidant Index (DAI), the Dietary Antioxidant Quality Score (DAQS) and the Dietary Phytochemical Index (DPI)—and the paraoxonase1(PON1) rs662 polymorphism on lipid profile markers and severity of coronary stenosis.
Methods and results
This cross-sectional study was conducted on 425 patients undergoing angiography. The PON1 genotypes (QQ, QR, and RR) were detected by the polymerase chain reaction-restriction fragment length polymorphism (RFLP-PCR) technique. To compare individuals based on the presence of the dominant allele, the population is divided into two groups: those lacking the dominant allele (QQ) and those carrying at least one copy of the dominant allele (genotypes QR or RR). Dietary intake was evaluated using a Food Frequency Questionnaire (FFQ).
Results
Accordingly, high adherence to the DAI decreased the odds of low HDL-C in R allele carriers compared to QQ genotype carriers by 0.64 (OR: 0.36, 95 % CI 0.15–0.86, P = 0.02). This interaction remained statistically significant after adjustment for age, gender, energy intake, physical activity, smoking, medication use, BMI, and married status (P interaction = 0.05). There was a significant interaction between the rs662 variants and the DAQS on the risk of severe coronary artery disease in the crude model (P = 0.02) but not in the adjusted model. Also, there was an interaction between adherence to DPI and variants of rs662 on odds of high triglyceride (P interaction = 0.03). Based on these interactions, when adherence to the DPI was high, R allele carriers had lower odds of high triglyceride than those with the QQ genotype (OR 0.33, 95 %CI 0.12–0.87; P = 0.02).
Conclusion
R allele carriers may more benefit from consuming a diet high in antioxidants, than QQ genotype carriers concerning high triglycerides and low-HDL-C.
期刊介绍:
Journal of Functional Foods continues with the same aims and scope, editorial team, submission system and rigorous peer review. We give authors the possibility to publish their top-quality papers in a well-established leading journal in the food and nutrition fields. The Journal will keep its rigorous criteria to screen high impact research addressing relevant scientific topics and performed by sound methodologies.
The Journal of Functional Foods aims to bring together the results of fundamental and applied research into healthy foods and biologically active food ingredients.
The Journal is centered in the specific area at the boundaries among food technology, nutrition and health welcoming papers having a good interdisciplinary approach. The Journal will cover the fields of plant bioactives; dietary fibre, probiotics; functional lipids; bioactive peptides; vitamins, minerals and botanicals and other dietary supplements. Nutritional and technological aspects related to the development of functional foods and beverages are of core interest to the journal. Experimental works dealing with food digestion, bioavailability of food bioactives and on the mechanisms by which foods and their components are able to modulate physiological parameters connected with disease prevention are of particular interest as well as those dealing with personalized nutrition and nutritional needs in pathological subjects.