期刊
CLINICAL BIOCHEMISTRY
卷 46, 期 9, 页码 727-732出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.clinbiochem.2013.01.013
关键词
PCSK9; LDLR; LDL-C; SNP; Meta-analysis
资金
- National Natural Science Foundation of China [31100919, 30772155]
- Zhejiang Provincial Program for the Cultivation of High Level Innovative Health Talents
- Natural Science Foundation of Zhejiang Province [Y206608]
- Ningbo social development research projects [2012C50032]
- Youth and Doctor Foundation of Ningbo [005A610016]
- K.C. Wong Magna Fund in Ningbo University
Objective: To explore the association of rs11206510 (PCSK9 gene) and rs1122608 (LDLR gene) polymorphisms with coronary heart disease (CHD) in Han Chinese. Methods: A total of 813 participants (290 CHD cases, 193 non-CHD controls and 330 healthy controls) were recruited in the case-control study. DNA genotyping was performed on the SEQUENOM (R) Mass-ARRAY iPLEX (R) platform. chi(2)-test was used to compare the genotype distribution and allele frequencies. Two meta-analyses were performed to establish the association between the two polymorphisms with CHD. Results: No significant associations between the two SNPs and the risk of CHD were observed in the present study. The meta-analysis of rs11206510 of PCSK9 gene comprises 11 case-control studies with a total of 69,054 participants. Significant heterogeneity was observed in Caucasian population in subgroup analysis of the association studies of rs11206510 with CHD (P = 0.003, I-2 = 67.2%). The meta-analysis of LDLR gene rs1122608 polymorphism comprises 7 case-control studies with a total of 20,456 participants and the heterogeneity of seven studies was minimal (P = 0.148, I-2 = 36.7%). Conclusion: The results of the meta-analyses indicated that both SNPs were associated with CHD in Caucasians (P<0.05) but not in Asians. The results from our case-control study and meta-analyses might be explained by genetic heterogeneity in the susceptibility of CHD and ethnic differences between Asians and Caucasians. (c) 2013 The Canadian Society of Clinical Chemists. Published by Elsevier Inc. All rights reserved.
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