相关实验视频
Updated: Feb 15, 2026

09:25
Bioluminescent Orthotopic Model of Pancreatic Cancer Progression
Published on: June 28, 2013
27.6K
OTUD4通过Hippo/YAP轴调节胰腺癌的进展
Shuaike Qu1, Zhihao Liu1, Beibei Wang2
1Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, 110000, Liaoning Province, PR China.
概括
含有OTU域的蛋白4 (OTUD4) 通过稳定YES相关蛋白 (YAP) 来促进胰腺腺癌 (PAAD) 的进展. 削弱OTUD4会降低Hippo/YAP活动,并阻碍PAAD的生长,这表明OTUD4是治疗点.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 生物化学 生物化学
背景情况:
- 在胰腺腺癌 (PAAD) 中,Hippo/Yes-Associated Protein (YAP) 信号通路经常过度激活.
- 蛋白质的稳定性,特别是YAP的稳定性,由无处不在调节,并在Hippo信号和PAAD中发挥关键作用.
- 将YAP蛋白稳定性与PAAD中的Hippo活性联系在一起的精确机制仍然不完全理解.
研究的目的:
- 阐明在胰腺腺癌中Hippo/YAP信号传递中泛素修饰的作用.
- 在PAAD中确定调节YAP蛋白稳定性和Hippo通路活性的关键效应因子.
- 研究OTU域含蛋白4 (OTUD4) 作为PAAD中的潜在治疗点.
主要方法:
- 使用了基因组丰富分析 (GSEA) 和siRNA查.
- 进行了蛋白相互作用研究,包括共免疫沉.
- 进行了PAAD组织表达数据和功能测试的分析.
主要成果:
- OTU域含蛋白4 (OTUD4) 被确定为PAAD中河马信号的关键效应因子.
- 在PAAD组织中高OTUD4表达与Hippo目标基因表达相关.
- OTUD4的枯竭显著抑制了Hippo/YAP轴的活动,并阻碍了PAAD的进展.
- 发现OTUD4与YAP相互作用,促进其K48结合的多-泛基化和随后的降解.
结论:
- OTUD4通过控制胰腺腺癌中YAP蛋白的稳定性来调节Hippo/YAP信号传递.
- 向OTUD4为治疗PAAD提供了一个潜在的治疗策略.
- 这项研究揭示了一种涉及OTUD4在PAAD进展中的新型调节机制.
相关概念视频
mTOR Signaling and Cancer Progression
4.9K
The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
The mTOR pathway or the...
4.9K
Hypothalamic-Pituitary Axis
66.7K
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
66.7K
Positive Regulator Molecules
136.6K
To consistently produce healthy cells, the cell cycle—the process that generates daughter cells—must be precisely regulated.
136.6K
Perpendicular-Axis Theorem
4.6K
The perpendicular-axis theorem states that the moment of inertia of a planar object about an axis perpendicular to its plane is equal to the sum of the moments of inertia about two mutually perpendicular concurrent axes lying in the plane of the body.
Consider a circular disc of mass M and radius R lying along an x-y plane. The origin lies at the center of the disc, and the z-axis is perpendicular to the disc's plane. All three axes coincide at the disc's center. The moment of inertia of this...
Consider a circular disc of mass M and radius R lying along an x-y plane. The origin lies at the center of the disc, and the z-axis is perpendicular to the disc's plane. All three axes coincide at the disc's center. The moment of inertia of this...
4.6K
Parallel-axis Theorem
8.3K
The parallel-axis theorem provides a convenient and quick method of finding the moment of inertia of an object about an axis parallel to the axis passing through its center of mass. Consider a thin rod as an example. There is a striking similarity between the process of finding the moment of inertia of a thin rod about an axis through its middle, where the center of mass lies, and about an axis through its end using the conventional method. In the conventional method, the concept of linear mass...
8.3K
Tumor Progression
7.5K
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
7.5K

