Abstract
This study aimed to investigate the relationship between endothelial nitric oxide synthase Glu(298)Asp gene polymorphism and hemorheological parameters. Red blood cell (RBC) deformability, aggregation were measured using an ectacytometry, whole blood, plasma viscosities were determined by a viscometer. Restriction fragment length polymorphism was used to detect polymorphism. Plasma nitrite, nitrate concentrations were determined by Griess method. The genotype distribution of the control group was as follows: 50 (67.5%) GG, 21 (28.4%) GT, 3 (4.1%) TT. A 48 (57.8%) of the patients with CAD had GG, 28 (33.7%) GT, 7 (8.5%) of them TT genotype. RBC aggregation index of CAD patients with G allele was higher and t½ lower compared to controls carrying the same allele. The amplitude of RBC aggregation of healthy subjects with T allele, who are under increased cardiovascular risk was lower compared to control subjects with G allele. The results of this study indicate that, alterations in RBC aggregation seem to be a consequence of CAD, more than being a preexisting cause. Additionally, some compensatory mechanisms by causing decrements in RBC aggregation, may help regulation of circulation in healthy individuals with high cardiovascular risk.
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Acknowledgments
This work was supported by The Scientific and Technological Research Council of Turkey (TUBITAK) through project number [107S130 (SBAG-HD-225)]. The authors are thankful to Dr. Gulten Erken, Dr. Vural Kucukatay and Nagihan Cakir for their valuable help.
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Bor-Kucukatay, M., Demir, S., Akbay, R. et al. Relationship between hemorheology and Glu(298)Asp polymorphism of endothelial nitric oxide synthase gene in patients with coronary artery disease. Mol Biol Rep 37, 171–178 (2010). https://doi.org/10.1007/s11033-009-9572-9
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DOI: https://doi.org/10.1007/s11033-009-9572-9