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KPNB1-ATF4诱导了依赖BNIP3的线粒细胞衰变,以驱动牙髓干细胞的口腔芽细胞分化

Zeying Zhang¹, Di Yang¹, Xiaoyuan Yan¹

¹Department of Endodontics, School and Hospital of Stomatology, Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, 117 Nanjing North Street, Heping District, Shenyang, Liaoning, 110002, People's Republic of China.

Cellular & molecular biology letters

|November 28, 2024

概括

进口素子单元β-1 (KPNB1) /激活转录因子4 (ATF4) /BCL-2相互作用蛋白3 (BNIP3) 途径驱动线粒并促进牙髓干细胞的分化. 这一发现为牙纤维-牙复合体的再生提供了新的见解.

科学领域:

生物医学工程生物医学工程
干细胞生物学干细胞生物学
分子生物学分子生物学

背景情况:

牙髓干细胞 (DPSCs) 分化为质细胞对于牙修复和牙-牙髓再生至关重要.
控制DPSC口腔细胞分化的精确监管机制尚未完全理解.

研究的目的:

阐明BCL-2相互作用蛋白3 (BNIP3) -依赖于DPSC口腔细胞分化中的线粒的作用.
调查进口素子单元β-1 (KPNB1) 和激活转录因子4 (ATF4) 在这个过程中的参与.

主要方法:

在DPSC分化中的关键基因的生物信息识别.
在体外和体内研究涉及BNIP3操纵.
双化酶记者测定和ChIP-PCR测定BNIP3促进体上的ATF4结合位.
线粒体功能测定和免疫沉质谱测试,以探索分子相互作用.

主要成果:

在DPSC口腔细胞分化过程中,BNIP3依赖的线粒水平升高.
在体外和体内,BNIP3表达与DPSC分化正相关.
ATF4直接与BNIP3促进体结合,增强了线粒体和线粒体功能.
KPNB1与ATF4相互作用,调节其核转位和随后的转录活动.

结论:

KPNB1/ATF4/BNIP3轴对于调节菌和促进DPSC口腔细胞分化至关重要.
这一途径为增强牙纤维-牙复合体再生提供了一个新的目标.

关键词:

在ATF4中使用ATF4.在BNIP3中,BNIP3是BNP3.牙纸干细胞是指牙纸的干细胞.在KPNB1中使用.线粒细胞衰变 (mitophagy) 是一种神经衰变.形体的分化形体分化

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