Abstract
Lipoprotein(a) [Lp(a)], a low-density lipoprotein-like particle, is recognized as an independent risk factor for atherosclerosis, cardiovascular diseases, and diabetic vascular diseases. Our recent studies revealed that the single nucleotide polymorphisms (SNPs) of peroxisome proliferator-activated receptors (PPARα/δ/γ) gene are involved in the regulation of lipid storage and metabolism. In order to investigate the relationships between the SNPs of PPARα/γ gene and plasma levels of Lp(a), 644 participants were randomly selected from Chinese Han population in the present study. As the results shown, Lp(a) was significantly associated with L162V (rs1800206) in PPARα. Compared with those subjects with widetype (LL), significantly higher Lp(a) concentration was determined in the individuals with mutant (LV + VV) (mean difference: 49.07 mg/l, 95 % CI 23.32–74.82 mg/l, p = 0.0002). Moreover, with generalized multifactor dimensionality reduction analysis, our present results indicated that there was a significant association between plasma Lp(a) level and gene–gene interaction among the polymorphisms rs1800206, rs135539 in PPARα and rs10865710, rs1805192, and rs4684847 in PPARγ. Therefore, our presented study indicated that PPARα/γ polymorphisms should be involved in the regulation of plasma Lp(a) in independently and/or in an interactive manner, suggesting that PPARα/γ gene may influence the risk of hypertension, cardiovascular diseases, and dyslipidemia by regulating Lp(a) level.
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Acknowledgments
This study was supported by Grants from the Scientific Research Fund of the National Ministry of Health (WKJ 2004-2-014) and the Priority Academic Program Development of Jiangsu Higher Education Institutions. The authors would like to thank all staff and all participants who contributed to PMMJS.
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Communicated by S. Hohmann.
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Xie, HJ., Hai, B., Wu, M. et al. Analysis on the association between PPARα/γ polymorphisms and lipoprotein(a) in a Chinese Han population. Mol Genet Genomics 289, 981–987 (2014). https://doi.org/10.1007/s00438-014-0866-9
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DOI: https://doi.org/10.1007/s00438-014-0866-9