基因饮食诱导的蛋白质化表现出不同的模式,取决于器官,并且在基因组和全球蛋白之间存在差异
Minami Ito1, Yuya Nishida1, Tatsuya Iwamoto1
1Department of Endocrinology & Metabolism, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.
性饮食可以提高β-基酸盐 (BOHB) 水平,改变各器官中的蛋白质化模式. 这项研究揭示了对全球和基因组修饰的明显影响,将性饮食与饥饿引起的变化联系起来.
科学领域:
- 生物化学 生物化学
- 代谢过程中的代谢.
- 分子生物学分子生物学
背景情况:
- β-基酸盐 (BOHB) 是一个关键的体,参与生理调节.
- 蛋白质化,包括乙化和β-甲基化,是翻译后的一个关键的修改.
- 了解BOHB对蛋白质酸化的系统性影响至关重要.
研究的目的:
- 通过增加BOHB来研究性饮食如何影响全身蛋白质化模式.
- 检查乙化和β-基基化中的器官特异性和蛋白质局部化特异性变化.
- 探索性饮食诱导的修饰和饥饿相关的基因表达之间的关系.
主要方法:
- 对小鼠进行性饮食,以提高BOHB水平.
- 在各种器官中分析全球和基因组蛋白化.
- 转录组数据与公共数据库进行基因丰富分析的比较.
主要成果:
- 性饮食在大多数器官中显著增加了全球乙化和β-基butan化,在大脑中影响较小.
- 基因素β-基基化显著增加,但基因素乙化在全球蛋白质乙化升高的器官中没有增加.
- 肝脏中经过基因营养后的升级基因被丰富为与饥饿期间的基因素β-基素butyrylation相关的途径.
结论:
- 性饮食会诱导各种各样的和特定器官的蛋白质化模式.
- 不同的调节机制可能会根据器官和局部控制蛋白质化.
- 性饮食与饥饿状态有着相似的分子修饰特性.
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