Using the drug-protein interactome to identify anti-ageing compounds for humans

Using the drug-protein interactome to identify anti-ageing compounds for humans
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使用药物-蛋白质相互作用组来识别人类抗衰老化合物

DOI:
10.1101/438234
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发表时间:
2018
期刊:
--
影响因子:
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通讯作者:
Fuentealba Valenzuela M
Fuentealba Valenzuela M
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作者:
Fuentealba Valenzuela M

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高龄是发达国家大多数主要致命疾病的主要危险因素。因此,改善衰老的影响可能同时预防多种疾病。经批准用于人类治疗特定疾病的药物已在动物模型中证明对延长寿命和健康寿命有效,这表明药物在人类中有重新利用的余地。新的生物信息学方法鉴定和优先考虑潜在的抗衰老化合物的人类因此感兴趣。在这项研究中,我们首先使用药物-蛋白质相互作用信息,根据它们靶向人类衰老相关基因产物的可能性对1147种药物进行排名。在19种具有统计学意义的药物中,有6种已经在动物模型中显示出促进长寿的特性(p< 0.001)。利用每种药物的靶点,我们在包括途径、功能和蛋白质相互作用在内的多个生物作用水平上建立了它们与衰老的关联。最后,结合所有的数据,我们计算出了一个综合的药物排名列表,预测tanespimycin(一种HSP-90抑制剂)是排名第一的新型抗衰老候选药物。我们通过其在秀丽隐杆线虫中的HSP-90靶点实验验证了tanespimycin的促长寿作用。
Advancing age is the dominant risk factor for most of the major killer diseases in developed countries. Hence, ameliorating the effects of ageing may prevent multiple diseases simultaneously. Drugs licensed for human use against specific diseases have proved to be effective in extending lifespan and healthspan in animal models, suggesting that there is scope for drug repurposing in humans. New bioinformatic methods to identify and prioritise potential anti-ageing compounds for humans are therefore of interest. In this study, we first used drug-protein interaction information, to rank 1,147 drugs by their likelihood of targeting ageing-related gene products in humans. Among 19 statistically significant drugs, 6 have already been shown to have pro-longevity properties in animal models (p< 0.001). Using the targets of each drug, we established its association with ageing at multiple levels of biological actions including pathways, functions and protein interactions. Finally, combining all the data, we calculated a comprehensive ranked list of drugs that predicted tanespimycin, an inhibitor of HSP-90, as the top-ranked novel anti-ageing candidate. We experimentally validated the pro-longevity effect of tanespimycin through its HSP-90 target in Caenorhabditis elegans.
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