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NAT COMMUN:大规模研究寻找衰老遗传因素

2020-07-19 MedSci原创 MedSci原创

老龄化表型,如健康寿命(healthspan)、总寿命(lifespan)和长寿(longevity),是我们大家都感兴趣的,对此,我们需要特别大的样本量来进行遗传学研究。

老龄化表型,如健康寿命(healthspan)、总寿命(lifespan)和长寿(longevity),是我们大家都感兴趣的,对此,我们需要特别大的样本量来进行遗传学研究。

在此,研究人员结合现有的全基因组关联汇总统计,在多变量框架下,增加统计能力,并确定了10个影响这三种表型的基因组位点,其中有5个(接近FOXO3、SLC4A7、LINC02513、ZW10和FGD6)以前没有报道过。

这10个位点中的大多数与血管疾病有关,有些影响已知的基因的表达,随着年龄的增长,它们的活性会发生变化。研究人员总共关联了78个基因,并发现这些基因富集了以前在模式生物中强调的衰老途径,如对DNA损伤、细胞凋亡和稳态的反应。

最后,研究人员还确定了一个值得进一步研究的途径:血液代谢。

 

原始出处:

Paul R. H. J. Timmers et al. Multivariate genomic scan implicates novel loci and haem metabolism in human ageing, Nature Communications (2020). 

 

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    2021-04-15 ylz8403
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    2020-09-18 liuli5079
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