Hypertension:血压遗传风险评分可以预测饮食钠和钾的血压反应!

2017-10-16 MedSci MedSci原创

近期,一项发表在杂志Hypertension上的研究根据此前的血压(BP)全基因组关联研究荟萃分析中确定的单核苷酸多态性,以及GenSalt研究(盐敏感遗传流行病学网)参与者的盐和钾的敏感性,研究了BP与遗传风险评分(GRS)之间的关系。 GenSalt研究在1906名受试者中进行,他们接受了7天低钠(51.3mmol钠/ d),7天高钠(307.8mmol钠/ d)和7天高钠加钾(60

近期,一项发表在杂志Hypertension上的研究根据此前的血压(BP)全基因组关联研究荟萃分析中确定的单核苷酸多态性,以及GenSalt研究(盐敏感遗传流行病学网)参与者的盐和钾的敏感性,研究了BP与遗传风险评分(GRS)之间的关系。 


GenSalt研究在1906名受试者中进行,他们接受了7天低钠(51.3mmol钠/ d),7天高钠(307.8mmol钠/ d)和7天高钠加钾(60 mmol钾/ d)干预。在基线和每个干预期结束时使用随机零血压计测量9×BP。使用混合线性回归模型评估收缩压(SBP),舒张压BP和平均动脉压GRS以及各SBP,舒张压BP和平均动脉压与饮食干预对应的关系,该模型考虑了家族依赖性并根据年龄、性别、体重指数和基线BP进行调整。

研究结果如预期,基线SBP,舒张压BP和平均动脉压显着增加GRS四分位数(P = 2.7×10-8,9.8×10-8和6.4×10-6)。相比之下,GRS四分位数的增加赋予了低钠干预导致的较小的SBP,舒张压BP和平均动脉压反应(分别为P = 1.4×10-3,0.02和0.06)以及对高钠和钾干预的较低的SBP反应(P = 0.10和0.05)。此外,在GRS作为连续措施时,总体结果发现与之相似。

此项研究确定了BP GRS与BP的盐和钾敏感性之间的反比关系。这些数据可能对BP对膳食钠和钾的反应与高血压之间的关系提供新的意义。

原始出处:
Nierenberg JL, Li C, et al. Blood Pressure Genetic Risk Score Predicts Blood Pressure Responses to Dietary Sodium and Potassium: The GenSalt Study (Genetic Epidemiology Network of Salt Sensitivity). Hypertension. 2017 Oct 9. pii: HYPERTENSIONAHA.117.10108. doi: 10.1161/HYPERTENSIONAHA.117.10108. 

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    2018-05-27 feather89
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    2017-10-16 1ddf0692m34(暂无匿称)

    学习了.涨知识

    0