Association of nephronophthisis 4 genetic variation with cardiorenal syndrome and cardiovascular events in Japanese general population: the Yamagata (Takahata) study

医学 单核苷酸多态性 人口 次等位基因频率 内科学 单倍型 危险系数 等位基因 比例危险模型 遗传学 基因型 生物 基因 置信区间 环境卫生
作者
Yuka Otaki,Toshio Watanabe,J Goto,Yuji Saito,Tomonori Aono,Yohei Kobayashi,Junya Sato,Masafumi Watanabe
出处
期刊:European Heart Journal [Oxford University Press]
卷期号:42 (Supplement_1) 被引量:1
标识
DOI:10.1093/eurheartj/ehab724.2507
摘要

Abstract Background Nephronophthisis (NPHP) 4 gene encoding nephrocystin-4, which contributes to end-stage renal disease in children and young adults, is involved in the development of the heart and kidneys. Cardiorenal syndrome (CRS), which consists of bidirectional dysfunction of the heart and kidneys, is a risk factor for cardiovascular events. Single nucleotide polymorphisms (SNPs) within the NPHP4 gene are reportedly associated with kidney function, even in adults. However, the association of NPHP4 gene variability with CRS and cardiovascular events remains unknown. Purpose To examine whether NPHP4 gene variability is related to CRS and cardiovascular events in general population. Methods and results This prospective cohort study included 2,946 subjects who participated in a community-based health study with a 16-year follow-up period. We genotyped 11 SNPs within the NPHP4 gene whose minor allele frequency was greater than 0.1 in the Japanese population. The SNP rs12058375 was significantly associated with CRS and cardiovascular events. Multivariate logistic analysis demonstrated a significant association between the homozygous A-allele of rs12058375 with the presence of CRS. Haplotype analysis identified the haplotype with the A-allele of rs12058375 as an increased susceptibility factor for CRS. Kaplan-Meier analysis demonstrated that homozygous A-allele carriers of rs12058375 had the greatest risk of developing cardiovascular events among the NPHP4 variants. Multivariate Cox proportional hazard regression analysis revealed that the homozygous A-allele and heterozygous carriers of rs12058375 were associated with cardiovascular events after adjusting for confounding factors. The net reclassification index and integrated discrimination index were significantly improved by the addition of rs12058375 as a cardiovascular risk factor. Conclusion Genetic variations in the NPHP4 gene were associated with CRS and cardiovascular events in the general population, suggesting that it may facilitate the early identification of high-risk subjects with CRS and cardiovascular events. Funding Acknowledgement Type of funding sources: None.
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