谷胱甘肽对肝脏脂质代谢至关重要

IF 5.9 3区 农林科学 Q1 VETERINARY SCIENCES Lab Animal Pub Date : 2024-08-30 DOI:10.1038/s41684-024-01435-x
Jorge Ferreira
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引用次数: 0

摘要

许多细胞过程都会产生活性氧,从而对细胞造成损伤。因此,抗氧化剂对细胞的存活至关重要。许多疾病似乎都与抗氧化剂功能受损有关。然而,体内最丰富的抗氧化剂谷胱甘肽(GSH)对成年动物所有组织的影响尚不清楚,因为敲除控制GSH产生的酶GCLC会导致小鼠胚胎死亡。自然-通讯》(Nature Communications)上的一项研究报告了条件性 Gclc 缺失小鼠模型的开发,并证明了 GSH 在成年小鼠中的作用。小鼠体内 GSH 的缺失会增加转录因子 NRF2 的活性,而 NRF2 负责氧化应激过程中的细胞稳态,并抑制脂肪生成基因的表达。与对照组动物相比,Gclc KO 小鼠的体重也较低,甘油三酯含量也较低。从机理上讲,该研究表明,GSH 通过抑制 NRF2 的激活来支持脂质的丰度和甘油三酯进入循环的供应。这些结果表明,GSH 是肝脏氧化还原缓冲和甘油三酯生成平衡的核心成分:Asantewaa, G. et al.Commun.15, 6152 (2024)
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Glutathione is essential for liver lipid metabolism
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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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