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Identification of the 12q24 locus associated with fish intake frequency by genome-wide meta-analysis in Japanese populations.
Genes and Nutrition ( IF 3.5 ) Pub Date : 2019-07-05 , DOI: 10.1186/s12263-019-0646-6
Maki Igarashi 1, 2 , Shun Nogawa 3 , Kaoru Kawafune 3 , Tsuyoshi Hachiya 3, 4 , Shoko Takahashi 3 , Huijuan Jia 1 , Kenji Saito 1, 3 , Hisanori Kato 1
Affiliation  

Background Japan is traditionally a country with one of the highest levels of fish consumption worldwide, although the westernization of the Japanese diet has resulted in the reduction of fish consumption. A recent meta-analysis of genome-wide association studies (GWASs) on Western populations has identified a single nucleotide polymorphism (SNP) associated with fish intake frequency. Here, we examined the genetic basis for fish intake frequency among Japanese individuals. Results We conducted a meta-analysis of a GWAS including 12,603 Japanese individuals and identified a susceptibility locus for fish intake frequency at 12q24 (lead variant was rs11066015, P = 5.4 × 10-11). rs11066015 was in a strong linkage disequilibrium with rs671, a well-known SNP related to alcohol metabolism. When adjusted for alcohol drinking, the association between rs11066015 and fish intake frequency was substantially attenuated. Subgroup analysis revealed that the effect of the 12q24 variant on fish intake frequency was stronger in males than in females (P for interaction = 0.007) and stronger in the older subgroup than in the younger subgroup (P for interaction = 0.006). Conclusions Our findings suggest that the 12q24 locus is associated with fish intake frequency via alcohol drinking. This study can help contribute to personalized nutrition information, suggesting that fish intake should be promoted to consumers who have the rs11066015 minor allele, which is genetically linked to low fish intake frequency, especially in male and older individuals.

中文翻译:

通过日本人群的全基因组荟萃分析鉴定与鱼类摄入频率相关的 12q24 基因座。

背景 日本传统上是全球鱼类消费量最高的国家之一,尽管日本饮食的西化导致鱼类消费量减少。最近对西方人群的全基因组关联研究 (GWAS) 的荟萃分析确定了与鱼类摄入频率相关的单核苷酸多态性 (SNP)。在这里,我们检查了日本人鱼类摄入频率的遗传基础。结果 我们对包括 12,603 名日本人的 GWAS 进行了荟萃分析,并确定了 12q24 鱼类摄入频率的易感基因座(铅变异为 rs11066015,P = 5.4 × 10-11)。rs11066015 与 rs671 存在强连锁不平衡,rs671 是与酒精代谢相关的众所周知的 SNP。当调整为饮酒时,rs11066015 与鱼类摄入频率之间的关联大大减弱。亚组分析显示,12q24 变异对鱼类摄入频率的影响在男性中比在女性中强(交互作用 P = 0.007),并且在年龄较大的亚组中比在年轻亚组中更强(交互作用 P = 0.006)。结论 我们的研究结果表明,12q24 基因座与通过饮酒摄入鱼的频率有关。这项研究有助于提供个性化的营养信息,建议应该向具有 rs11066015 次要等位基因的消费者推广鱼类摄入量,这与低鱼类摄入频率有关,尤其是在男性和老年人中。亚组分析显示,12q24 变异对鱼类摄入频率的影响在男性中比在女性中强(交互作用 P = 0.007),并且在年龄较大的亚组中比在年轻亚组中更强(交互作用 P = 0.006)。结论 我们的研究结果表明,12q24 基因座与通过饮酒摄入鱼的频率有关。这项研究有助于提供个性化的营养信息,建议应该向具有 rs11066015 次要等位基因的消费者推广鱼类摄入量,这与低鱼类摄入频率有关,尤其是在男性和老年人中。亚组分析显示,12q24 变异对鱼类摄入频率的影响在男性中比在女性中强(交互作用 P = 0.007),并且在年龄较大的亚组中比在年轻亚组中更强(交互作用 P = 0.006)。结论 我们的研究结果表明,12q24 基因座与通过饮酒摄入鱼的频率有关。这项研究有助于提供个性化的营养信息,建议应该向具有 rs11066015 次要等位基因的消费者推广鱼类摄入量,这与低鱼类摄入频率有关,尤其是在男性和老年人中。结论 我们的研究结果表明,12q24 基因座与通过饮酒摄入鱼的频率有关。这项研究有助于提供个性化的营养信息,建议应该向具有 rs11066015 次要等位基因的消费者推广鱼类摄入量,这与低鱼类摄入频率有关,尤其是在男性和老年人中。结论 我们的研究结果表明,12q24 基因座与通过饮酒摄入鱼的频率有关。这项研究有助于提供个性化的营养信息,建议应该向具有 rs11066015 次要等位基因的消费者推广鱼类摄入量,这与低鱼类摄入频率有关,尤其是在男性和老年人中。
更新日期:2020-04-22
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