Publication: Combined PCSK9 and APOE Polymorphisms are Genetic Risk Factors Associated with Elevated Plasma Lipid Levels in a Thai Population
Issued Date
2015-06-29
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ISSN
15589307
00244201
00244201
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2-s2.0-84930082232
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Mahidol University
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SCOPUS
Bibliographic Citation
Lipids. Vol.50, No.6 (2015), 543-553
Suggested Citation
Nutjaree Jeenduang, Sureerut Porntadavity, Smith Wanmasae Combined PCSK9 and APOE Polymorphisms are Genetic Risk Factors Associated with Elevated Plasma Lipid Levels in a Thai Population. Lipids. Vol.50, No.6 (2015), 543-553. doi:10.1007/s11745-015-4017-9 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/35433
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Title
Combined PCSK9 and APOE Polymorphisms are Genetic Risk Factors Associated with Elevated Plasma Lipid Levels in a Thai Population
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Abstract
© 2015 AOCS. Proprotein convertase subtilisin/kexin type 9 (PCSK9) and apolipoprotein E (ApoE) play a key role in the regulation of lipid metabolism. We aimed to investigate the effects of PCSK9 (R46L, I474V, and E670G) and APOE polymorphisms on lipid levels in a Southern Thai population. A total of 495 participants (307 urban, 188 rural) were recruited for the study. Anthropometric and biochemical variables were evaluated. PCSK9 and APOE polymorphisms were analyzed using PCR-RFLP. The 46L urban male carriers had significantly higher diastolic blood pressure (DBP) and fasting blood sugar compared with non-carriers. In contrast, the 46L urban female carriers had significantly lower total cholesterol (TC) and LDL-C levels compared with non-carriers. The 474V rural female carriers had significantly lower HDL-C levels than non-carriers. The 670G urban female carriers showed significantly higher TC and LDL-C levels compared with non-carriers. APOE4 carriers had increased TC and LDL-C levels relative to APOE3 carriers in the urban males. APOE2 carriers had decreased TC and/or LDL-C levels compared with APOE3 carriers in urban males and females. A significant trend of increased TC and LDL-C levels was observed in non-APOE4-PCSK9 670EE carriers to APOE4-PCSK9 670EG carriers in urban subjects. In summary, R46L, I474V, and E670G may be genetic risk factors for cardiovascular disease (CVD) in urban males, rural females, and urban females, respectively. In contrast, R46L had a favorable lipid profiles that may protect against CVD in urban females. The combination of PCSK9 E670G and APOE polymorphisms may represent an independent factor for the determination of lipid levels.