通过抑制AMBRA1的稳定性,RhoBTB3作为自的新型调节剂起作用
Kyungho Kim1, Dong-Gun Kim1, Youn-Jae Kim1
1Targeted Therapy Branch, Division of Rare and Refractory Cancer, Research Institute, National Cancer Center, Goyang 10408, Republic of Korea.
RhoBTB3负面调节细胞自,这是细胞生存的关键过程. 它针对AMBRA1进行降解,影响自,并可能为相关疾病提供治疗点.
科学领域:
- 细胞生物学 细胞生物学
- 分子生物学分子生物学
- 生物化学 生物化学
背景情况:
- 自对于维持细胞平衡和在压力下生存至关重要.
- 自的功能障碍与各种人类疾病有关.
- 了解自调节对于疾病治疗至关重要.
研究的目的:
- 调查RhoBTB3在自中的调节作用.
- 在自中识别与RhoBTB3相互作用的分子.
- 探索RhoBTB3通过AMBRA1.1.调节自的机制.
主要方法:
- 免疫沉和质谱测量以确定RhoBTB3相互作用伙伴.
- 对蛋白质和mRNA水平的分析,以评估RhoBTB3对AMBRA1.1的影响.
- 乌比基化试验以确定AMBRA1降解的机制.
- 基因淘汰实验证实AMBRA1在自中的作用.
主要成果:
- 缺乏RhoBTB3诱导了自;过度表达抑制了它.
- 确定AMBRA1是RhoBTB3.3的一个基质.
- 在K45的RhoBTB3介导的AMBRA1无化和蛋白质酶体降解通过K27连接链.
- 敲除AMBRA1取消了RhoBTB3敲除诱导的自.
结论:
- 通过促进AMBRA1的无所不在和降解,RhoBTB3负面调节自.
- 这种机制突显了AMBRA1在调解RhoBTB3对自的作用中的重要作用.
- 对于与自相关的疾病来说,RhoBTB3代表了一个潜在的治疗标.
更多相关视频
09:10siRNA Electroporation to Modulate Autophagy in Herpes Simplex Virus Type 1-Infected Monocyte-Derived Dendritic Cells
Published on: October 28, 2019
11:44A Primary Human Trophoblast Model to Study the Effect of Inflammation Associated with Maternal Obesity on Regulation of Autophagy in the Placenta
Published on: September 27, 2017
相关概念视频
mTOR Signaling and Cancer Progression
The mTOR pathway or the...
PI3K/mTOR/AKT Signaling Pathway
Autophagy
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
Receptor Downregulation in MVBs
The EGFR can initiate signaling pathways that lead to cell proliferation, migration, and differentiation. Overexpression of EGFR stimulates cells to proliferate. Excessive EGFR...
Autophagic Cell Death
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
Delivery Pathways to the Lysosome
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
