Rpl12 是一个保守的核糖体受体
Yuting Chen1,2, Jiaxin Hu3, Pengwei Zhao1
1Department of Biochemistry and Department of Hepatobiliary and Pancreatic Surgery of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Nature cell biology
|February 11, 2025
概括
Rpl12被确定为 ribofagy 的保留受体,这是 ribozome 周转的关键过程. 这一发现对细胞平衡至关重要,影响了饥饿,衰老和疾病模型.
科学领域:
- 细胞生物学 细胞生物学
- 分子生物学分子生物学
- 自学研究 自学研究
背景情况:
- 核糖是一种选择性的自过程,调节核糖体的周转.
- 哺乳动物 рибо法基受体NUFIP1在酵母和线虫中缺乏同类物.
研究的目的:
- 为了识别NUFIP1.1.以外的保护性 рибо法基受体.
- 阐明Rpl12在不同生物体内的核糖和细胞平衡中的作用.
主要方法:
- 研究了Rpl12-Atg8s的结合相互作用.
- 分析了Atg1介导的Rpl12酸化及其在Atg11协会中的作用.
- 利用Caenorhabditis elegans和Drosophila melanogaster的模型来研究核糖体缺陷.
主要成果:
- Rpl12被确定为一种保存的核糖体受体.
- 破坏Rpl12-Atg8s结合会导致核糖体蛋白和rRNA的积累.
- Rpl12酸化增强了Atg11的结合,在饥饿期间触发了 ribofagy.
- рибоophagy 缺乏加速细胞死亡,损害发育,缩短寿命,并导致运动缺陷.
- 过度表达RPL12可以拯救的饥饿,衰老和Aβ诱导的运动缺陷.
结论:
- Rpl12 作为保护的核糖体受体,对核糖体代谢至关重要.
- 由Rpl12调解的 рибо法基对细胞平衡,生物体健康和寿命至关重要.
- 对于与年龄有关的和神经退行性疾病,Rpl12是潜在的治疗点.
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