相关实验视频
Updated: Sep 12, 2025

08:01
The Soft Agar Colony Formation Assay
Published on: October 27, 2014
112.2K
LINC00467通过调节PABPC1稳定性来促进非小细胞肺癌的进展,这种稳定性伴随着Wnt/β-catenin通路活性变化
Xuejun Wang1, Zirong He1, Wenting Zhao2
1Department of Pediatric Surgery of Children's Medical Center, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan Province, China.
International journal of biological macromolecules
|August 9, 2025
概括
长非编码RNA LINC00467通过增强PABPC1降解和影响Wnt/β-catenin通路来促进非小细胞肺癌 (NSCLC) 的进展. 这一发现为NSCLC治疗提供了潜在的新治疗点.
科学领域:
- 分子生物学分子生物学
- 在瘤学瘤学.
- 遗传学 遗传学 是一个
背景情况:
- 长非编码RNA (lncRNAs) 在包括癌症在内的各种生物过程中起着至关重要的作用.
- 在非小细胞肺癌 (NSCLC) 中LINC00467的特定功能仍然在很大程度上是未知的.
- 了解ncRNA机制对于开发新型癌症疗法至关重要.
研究的目的:
- 为了阐明LINC00467驱动NSCLC进展的机制.
- 研究受LINC00467.7影响的分子相互作用和信号通路.
- 确定LINC00467作为NSCLC的潜在治疗点.
主要方法:
- 定量实时PCR (RT-qPCR) 和光在位杂交 (FISH) 来评估LINC00467表达.
- 细胞培养和动物模型评估LINC00467对NSCLC的功能影响.
- 共同免疫沉 (Co-IP) 和西部斑点测试以确定分子相互作用.
- 对Wnt/β-catenin信号通路活动的分析.
主要成果:
- 在NSCLC患者中,LINC00467的过度表达与恶性表型相关.
- 在体外和体内,LINC00467显著促进NSCLC细胞增殖和转移.
- 通过与E4B的相互作用,LINC00467促进了PABPC1的蛋白酶依赖性降解.
- LINC00467影响Wnt/β-catenin通路的活性,可能通过PABPC1调节.
结论:
- LINC00467是一种致癌的lncRNA,促进NSCLC的进展.
- 该机制涉及LINC00467介导的PABPC1降解和Wnt/β-catenin通路的调制.
- LINC00467-PABPC1-Wnt/β-catenin轴代表了NSCLC的一个有前途的治疗策略.
相关概念视频
Canonical Wnt Signaling Pathway
8.9K
The gene encoding the main signaling molecules of the Wnt signaling pathways (the Wnt proteins) was discovered almost four decades ago by Nüsslein-Volhard and Wieschaus. They identified and originally named the gene "wingless" (wg) after a phenotype discovered during their landmark genetic screen in Drosophila for body pattern defects. At around the same time, another researcher named Harold Varmus found that a murine tumor virus activates the mammalian wg homolog, Int-1, which...
8.9K
Non-Canonical Wnt Signaling Pathways
7.4K
Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...
7.4K
Tumor Progression
6.5K
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...
6.5K
lncRNA - Long Non-coding RNAs
8.9K
In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...
8.9K
Abnormal Proliferation
4.6K
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.6K
The Intrinsic Apoptotic Pathway
6.9K
Internal cellular stress, such as cellular injury or hypoxia, triggers intrinsic apoptosis. The B-cell lymphoma 2 (Bcl-2) family of proteins are the primary regulators of the intrinsic apoptotic pathway. For example, during DNA damage, checkpoint proteins, such as Ataxia Telangiectasia Mutated (ATM protein) and Checkpoints Factor-2 (Chk2) proteins, are activated. These proteins phosphorylate p53 which further activates pro-apoptotic proteins, such as Bax, Bak, PUMA, and Noxa, and inhibits...
6.9K

