Diet and longevity

IF 17.3 1区 生物学 Q1 CELL BIOLOGY Nature Cell Biology Pub Date : 2024-10-11 DOI:10.1038/s41556-024-01535-3
Melina Casadio
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饮食与长寿
一些必需氨基酸可以调节寿命,而酪氨酸(Tyr)等非必需氨基酸的影响则不太清楚。在最近的一项研究中,Kosakamoto 等人研究了 Tyr 对黑腹果蝇生理机能的贡献。研究人员利用合成饮食确定,Tyr 的缺失会延长寿命并对生殖机能产生负面影响。然而,较高的膳食氨基酸水平或丧失生殖能力(这是一个营养消耗过程)会消除Tyr限制对生理的影响,这表明只有当果蝇对氨基酸的需求量大而供应量小时,Tyr才可能成为限制因素。从机理上讲,Kosakamoto等人的研究表明,Tyr缺乏会降低内部Tyr水平,并通过一种不明确的途径激活转录因子ATF4,但去除ATF4并不足以消除Tyr缺乏导致的寿命延长。
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来源期刊
Nature Cell Biology
Nature Cell Biology 生物-细胞生物学
CiteScore
28.40
自引率
0.90%
发文量
219
审稿时长
3 months
期刊介绍: Nature Cell Biology, a prestigious journal, upholds a commitment to publishing papers of the highest quality across all areas of cell biology, with a particular focus on elucidating mechanisms underlying fundamental cell biological processes. The journal's broad scope encompasses various areas of interest, including but not limited to: -Autophagy -Cancer biology -Cell adhesion and migration -Cell cycle and growth -Cell death -Chromatin and epigenetics -Cytoskeletal dynamics -Developmental biology -DNA replication and repair -Mechanisms of human disease -Mechanobiology -Membrane traffic and dynamics -Metabolism -Nuclear organization and dynamics -Organelle biology -Proteolysis and quality control -RNA biology -Signal transduction -Stem cell biology
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