A platform for rapid exploration of aging and diseases in a naturally short-lived vertebrate.

A platform for rapid exploration of aging and diseases in a naturally short-lived vertebrate.
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DOI:
10.1016/j.cell.2015.01.038
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发表时间:
2015-02-26
期刊:
影响因子:
64.5
通讯作者:
Brunet A
Brunet A
中科院分区:
生物学1区
文献类型:
--
作者:
Harel I;Benayoun BA;Machado B;Singh PP;Hu CK;Pech MF;Valenzano DR;Zhang E;Sharp SC;Artandi SE;Brunet A

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衰老是一个影响多个器官的复杂过程。在实验室中模拟衰老和与年龄相关的疾病具有挑战性,因为经典脊椎动物模型的寿命相对较长。在这里,我们使用自然寿命较短的非洲绿松石鳉鱼开发了第一个快速探索脊椎动物年龄依赖性特征和疾病的平台。我们使用我们从头组装的基因组和 CRISPR/Cas9 技术,在该生物体中提供集成的基因组和基因组编辑工具包。我们使许多包含衰老标志的基因发生突变,对于其中的一个子集,我们在 2-3 个月内产生了稳定的品系。作为原理验证,我们发现缺乏端粒酶蛋白质亚基的鱼类在脊椎动物中表现出最快的端粒相关病理发生。我们进一步证明了创建特定遗传变异的可行性。这个基因组到表型的平台代表了以高通量方式研究脊椎动物衰老和疾病以及研究人类全基因组研究中产生的候选者的独特资源。
Aging is a complex process that affects multiple organs. Modeling aging and age-related diseases in the lab is challenging because classical vertebrate models have relatively long lifespans. Here we develop the first platform for rapid exploration of age-dependent traits and diseases in vertebrates, using the naturally short-lived African turquoise killifish. We provide an integrative genomic and genome-editing toolkit in this organism using our de novo-assembled genome and the CRISPR/Cas9 technology. We mutate many genes encompassing the hallmarks of aging, and for a subset, we produce stable lines within 2–3 months. As a proof-of-principle, we show that fish deficient for the protein subunit of telomerase exhibit the fastest onset of telomere-related pathologies among vertebrates. We further demonstrate the feasibility of creating specific genetic variants. This genome-to-phenotype platform represents a unique resource for studying vertebrate aging and disease in a high throughput manner and for investigating candidates arising from human genome-wide studies.
DOI: 10.1016/j.cell.2013.05.039
发表时间: 2013-06-06
期刊: Cell
影响因子: 64.5
作者:
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通讯作者: Kroemer G
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发表时间: 2012-11-01
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影响因子: 11.1
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