AKAP10 (I646V) functional polymorphism predicts heart rate and heart rate variability in apparently healthy, middle-aged European-Americans.

AKAP10 (I646V) functional polymorphism predicts heart rate and heart rate variability in apparently healthy, middle-aged European-Americans.
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DOI:
10.1111/j.1469-8986.2009.00802.x
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发表时间:
2009-05
期刊:
影响因子:
3.7
通讯作者:
Manuck SB
Manuck SB
中科院分区:
心理学3区
文献类型:
--
作者:
Neumann SA;Tingley WG;Conklin BR;Shrader CJ;Peet E;Muldoon MF;Jennings JR;Ferrell RE;Manuck SB

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先前的证据表明,双特异性A激酶锚定蛋白2功能多态性(AKAP 10(A/G)I646 V)影响心血管疾病小鼠和人类(N=122)的心率(HR)和心率变异性(HRV)。在这里,我们询问这种AKAP 10变体是否可以预测大样本健康人的HR和HRV。在美国社区样本(N=1033)中评估了欧洲血统的一般健康男性和女性(年龄30-54岁)的静息HR和HRV的短期时域和频域测量(在起搏和非起搏呼吸条件下5分钟)。每个人的AKAP 10变异基因分型。与先前的工作一样,AKAP 10瓦尔等位基因预测更大的静息HR(起搏p<0.01;非起搏p<0.03)和减小的HRV(起搏p <0.05),表明该变体可能调节心脏起搏细胞对自主输入的敏感性,可能赋予心律失常和心脏性猝死的风险。
Previous evidence suggests that the dual-specific A kinase-anchoring protein 2 functional polymorphism (AKAP10 (A/G) I646V) influences heart rate (HR) and heart rate variability (HRV) in mice and humans (N=122) with cardiovascular disease. Here, we asked whether this AKAP10 variant predicts HR and HRV in large sample of healthy humans. Resting HR and short-term time and frequency domain measures of HRV (5 min during paced and unpaced respiration conditions) were assessed in a U.S. community sample (N=1033) of generally healthy men and women (age 30–54) of European ancestry. Each person was genotyped for the AKAP10 variant. As with previous work, the AKAP10 Val allele predicted greater resting HR (Paced p<.01; Unpaced p<.03) and diminished HRV (Paced p’s<.05) suggesting that this variant may modulate the sensitivity of cardiac pacemaker cells to autonomic inputs possibly conferring risk for arrhythmias and sudden cardiac death.
DOI: 10.1161/01.cir.0000146334.96820.6e
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