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Genetic risk prediction of the plasma triglyceride response to independent supplementations with eicosapentaenoic and docosahexaenoic acids: the ComparED Study.
Genes and Nutrition ( IF 3.3 ) Pub Date : 2020-06-15 , DOI: 10.1186/s12263-020-00669-x
Bastien Vallée Marcotte 1 , Janie Allaire 1 , Frédéric Guénard 1 , Juan de Toro-Martín 1 , Patrick Couture 1, 2 , Benoît Lamarche 1 , Marie-Claude Vohl 1
Affiliation  

We previously built a genetic risk score (GRS) highly predictive of the plasma triglyceride (TG) response to an omega-3 fatty acid (n-3 FA) supplementation from marine sources. The objective of the present study was to test the potential of this GRS to predict the plasma TG responsiveness to supplementation with either eicosapentaenoic (EPA) or docosahexaenoic (DHA) acids in the Comparing EPA to DHA (ComparED) Study. The ComparED Study is a double-blind, controlled, crossover trial, with participants randomized to three supplemented phases of 10 weeks each: (1) 2.7 g/day of DHA, (2) 2.7 g/day of EPA, and (3) 3 g/day of corn oil (control), separated by 9-week washouts. The 31 SNPs used to build the previous GRS were genotyped in 122 participants of the ComparED Study using TaqMan technology. The GRS for each participant was computed by summing the number of rare alleles. Ordinal and binary logistic models, adjusted for age, sex, and body mass index, were used to calculate the ability of the GRS to predict TG responsiveness. The GRS predicted TG responsiveness to EPA supplementation (p = 0.006), and a trend was observed for DHA supplementation (p = 0.08). The exclusion of participants with neutral TG responsiveness clarified the association patterns and the predictive capability of the GRS (EPA, p = 0.0003, DHA p = 0.01). Results of the present study suggest that the constructed GRS is a good predictor of the plasma TG response to supplementation with either DHA or EPA. ClinicalTrials.gov, NCT01810003. The study protocol was registered on March 4, 2013.

中文翻译:

血浆甘油三酸酯对二十碳五烯酸和二十二碳六烯酸独立补充的反应的遗传风险预测:比较研究。

我们先前建立了遗传风险评分(GRS),可高度预测血浆甘油三酸酯(TG)对海洋来源的omega-3脂肪酸(n-3 FA)补充的反应。本研究的目的是在EPA与DHA(比较)研究比较中,测试该GRS预测血浆TG对补充二十碳五烯酸(EPA)或二十二碳六烯酸(DHA)酸的反应能力。比较研究是一项双盲,对照,交叉试验,参与者被随机分为三个补充阶段,每个阶段为10周:(1)2.7 g /天的DHA,(2)2.7 g /天的EPA和(3)每天3克玉米油(对照),隔9周清洗。使用TaqMan技术在比较研究的122位参与者中对用于构建先前GRS的31个SNP进行了基因分型。每个参与者的GRS是通过将稀有等位基因的数量相加得出的。使用针对年龄,性别和体重指数进行了调整的有序和二进制逻辑模型来计算GRS预测TG反应的能力。GRS预测了TG对EPA补充的反应(p = 0.006),并且观察到DHA补充的趋势(p = 0.08)。排除中性TG反应的参与者明确了GRS的关联模式和预测能力(EPA,p = 0.0003,DHA p = 0.01)。本研究的结果表明,构建的GRS是血浆TG对补充DHA或EPA的反应的良好预测指标。ClinicalTrials.gov,NCT01810003。研究方案已于2013年3月4日注册。和体重指数,用于计算GRS预测TG反应的能力。GRS预测了TG对EPA补充的反应(p = 0.006),并且观察到DHA补充的趋势(p = 0.08)。排除中性TG反应的参与者明确了GRS的关联模式和预测能力(EPA,p = 0.0003,DHA p = 0.01)。本研究的结果表明,构建的GRS是血浆TG对补充DHA或EPA的反应的良好预测指标。ClinicalTrials.gov,NCT01810003。研究方案已于2013年3月4日注册。和体重指数,用于计算GRS预测TG反应的能力。GRS预测了TG对EPA补充的反应(p = 0.006),并且观察到DHA补充的趋势(p = 0.08)。排除中性TG反应的参与者明确了GRS的关联模式和预测能力(EPA,p = 0.0003,DHA p = 0.01)。本研究的结果表明,构建的GRS是血浆TG对补充DHA或EPA的反应的良好预测指标。ClinicalTrials.gov,NCT01810003。研究方案已于2013年3月4日注册。08)。排除中性TG反应的参与者明确了GRS的关联模式和预测能力(EPA,p = 0.0003,DHA p = 0.01)。本研究的结果表明,构建的GRS是血浆TG对补充DHA或EPA的反应的良好预测指标。ClinicalTrials.gov,NCT01810003。研究方案已于2013年3月4日注册。08)。排除中性TG反应的参与者明确了GRS的关联模式和预测能力(EPA,p = 0.0003,DHA p = 0.01)。本研究的结果表明,构建的GRS是血浆TG对补充DHA或EPA的反应的良好预测指标。ClinicalTrials.gov,NCT01810003。研究方案已于2013年3月4日注册。
更新日期:2020-06-15
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