阐明 cGAS/STING 通路在鳉鱼衰老过程中的作用

IF 5.9 3区 农林科学 Q1 VETERINARY SCIENCES
Alexandra Le Bras
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引用次数: 0

摘要

衰老往往伴随着慢性、低度炎症,即所谓的炎症老化。最近的证据表明,介导 DNA 免疫感应的 cGAS/STING 信号通路是衰老和炎症的关键驱动因素。然而,人们对这一通路在衰老中的作用还知之甚少。在最近的一份预印本(未经同行评审)中,Ballhysa 等人研究了 cGAS/STING 通路在非洲绿松石鳉鱼 Nothobranchius furzeri(一种研究衰老的新兴模式系统)中的作用。研究结果证实了cGAS/STING通路在衰老、炎症和某些衰老特征中的保守作用,同时也表明cGAS/STING功能的缺失对鳉鱼的寿命没有影响。在创建了cGAS和STING的基因敲除(KO)鱼之后,研究小组分离了原代成纤维细胞来研究cGAS/STING在体外的作用,尤其是在衰老激活之后的作用。用γ射线诱导成纤维细胞衰老九天后,研究人员提取了RNA并进行了转录组分析,结果发现与野生型细胞相比,cGAS KO和STING KO细胞中衰老标记物的表达量有所下降。同样,研究小组用15Gy的γ射线照射WT和cGAS KO幼鱼,以评估体内的应激反应,结果证实,与WT相比,cGAS KO鱼的衰老反应减少了。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Elucidating the role of the cGAS/STING pathway in killifish aging
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来源期刊
Lab Animal
Lab Animal 农林科学-兽医学
CiteScore
0.60
自引率
2.90%
发文量
181
审稿时长
>36 weeks
期刊介绍: LabAnimal is a Nature Research journal dedicated to in vivo science and technology that improves our basic understanding and use of model organisms of human health and disease. In addition to basic research, methods and technologies, LabAnimal also covers important news, business and regulatory matters that impact the development and application of model organisms for preclinical research. LabAnimal's focus is on innovative in vivo methods, research and technology covering a wide range of model organisms. Our broad scope ensures that the work we publish reaches the widest possible audience. LabAnimal provides a rigorous and fair peer review of manuscripts, high standards for copyediting and production, and efficient publication.
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