外体环MACF1驱动PI3K/AKT/mTOR介导的自抑制在喉状细胞癌中
Yingnan Zhu1, Chuanxin Duan2, Yunzhi Gui3
1Department of Otolaryngology, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430070, China. W13545345823@126.com.
Cellular and molecular biology (Noisy-le-Grand, France)
|February 19, 2024
概括
循环RNAcircMACF1通过PI3K/AKT/mTOR通路抑制自,促进喉平细胞癌 (LSCC) 的进展. 外体circMACF1增强LSCC瘤生长和恶性瘤.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 生物化学 生化学
背景情况:
- 喉平细胞癌 (LSCC) 是一种普遍存在的恶性瘤.
- 循环RNAs (circRNAs) 在癌症调节中起着重要的作用.
- 在LSCC中hsa_circ_0011773 (circMACF1) 的特定功能在很大程度上是未知的.
研究的目的:
- 调查LSCC中circMACF1的生物学作用和机制.
- 为了确定circMACF1在LSCC细胞增殖,迁移和入侵中的参与.
- 探索circMACF1对自的调节作用以及LSCC中的PI3K/AKT/mTOR通路.
主要方法:
- 用RT-qPCR评估LSCC组织和细胞中的circMACF1表达.
- 传输电子显微镜 (TEM) 和纳米粒子追踪分析 (NTA) 用于外体特征.
- 西方斑块用于分析与自相关的蛋白质和PI3K/AKT/mTOR通路组件.
- 通过CCK-8和transwell测试来评估细胞增殖,迁移和入侵.
主要成果:
- 在LSCC组织和细胞中,CircMACF1显著过度表达,在LSCC细胞衍生的外体中.
- 通过促进自,CircMACF1的淘汰抑制了LSCC细胞的增殖,迁移和入侵.
- CircMACF1激活PI3K/AKT/mTOR通路,导致自抑制并促进LSCC的进展.
- 外体环MACF1促进LSCC瘤的生长.
结论:
- 在LSCC中,CircMACF1通过PI3K/AKT/mTOR途径抑制自,作为瘤促进剂.
- 外体circMACF1有助于LSCC的发展和进展.
- CircMACF1代表了LSCC的一个潜在的治疗点.
相关概念视频
mTOR Signaling and Cancer Progression
3.8K
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...
3.8K
PI3K/mTOR/AKT Signaling Pathway
3.6K
The mammalian target of rapamycin (mTOR) is a serine/threonine kinase that regulates growth, proliferation, and cell survival in response to hormones, growth factors, or nutrient availability. This kinase exists in two structurally and functionally distinct forms: mTOR complex 1 (mTORC1) and mTOR complex 2 (mTORC2). The first form (mTORC1) is composed of a rapamycin-sensitive Raptor and proline-rich Akt substrate, PRAS40. In contrast, mTORC2 consists of a...
3.6K
Delivery Pathways to the Lysosome
6.5K
Eukaryotic cells use different mechanisms to eliminate toxic waste obsolete and worn-out substances. Lysosomes play a pivotal role in this, and hence, these substances are carried to the lysosome from other parts of the cell and extracellular space through different pathways. The most elaborately studied pathways to the lysosome are the endocytic pathways.
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
6.5K


