Nat Commun:大规模人类研究揭示长寿秘密

2017-10-14 海北 MedSci原创

自古以来,长寿一直是人们不懈追求的目标。哲学家们也一直在猜测命运对于寿命的决定程度。今天,我们将要讨论的是一个较为狭义的问题:遗传基础对于寿命的影响,以及其与健康疾病特征之间的相互关联。

自古以来,长寿一直是人们不懈追求的目标。哲学家们也一直在猜测命运对于寿命的决定程度。今天,我们将要讨论的是一个较为狭义的问题:遗传基础对于寿命的影响,以及其与健康疾病特征之间的相互关联。根据已有的研究,人们估计人类寿命大约25%的变异性是由遗传因素决定的。现在已经知道有三个基因和寿命之间有着强有力的联系,它们是APOE,FOXO3A和CHRNA3 / 5。对长寿基因进一步的探索分析能够帮助我们理解人类衰老的生物学。

来自爱丁堡大学的研究人员使用全基因组相关的荟萃分析研究了606,059位父母的寿命。其发现了两个和长寿相关的区域,分别为HLA-DQA1 / DRB1和LPA。研究人员也验证了已知的APOE,CHRNA3 / 5,CDKN2A / B,SH2B3和FOXO3A对于寿命的影响。研究人员还发现,放弃吸烟,教育程度,对于新鲜事物的开放程度,以及高密度脂蛋白(HDL)胆固醇水平和寿命之间存在着正相关的联系。相反,冠状动脉疾病(CAD),每天吸烟,肺癌,胰岛素抵抗,和身体脂肪与寿命之间存在着负相关联系。

因此,研究人员建议,教育程度对于寿命的影响主要是通过对于吸烟的调控,而肥胖是通过冠状动脉疾病来影响寿命。身体质量指数单位(BMI)每增加1,寿命将减少7个月。而每增加1年的受教育程度,寿命将增加11个月。


原始出处:

Peter K. Joshi et al. Genome-wide meta-analysis associates HLA-DQA1/DRB1 and LPA and lifestyle factors with human longevityNature Communications, 2017; 8 (1) DOI: 10.1038/s41467-017-00934-5


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    2017-12-05 liye789132251
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    2017-11-14 liuli5079
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    2018-04-06 ylz8403
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    2017-10-14 137****9095

    henhao

    0

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    2017-10-14 smartxiuxiu

    抽烟

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