HNF4A-CHPF通路通过与质瘤中MAD1L1的相互作用促进了扩散和入侵
Haitao Luo1,2, Kai Huang1,2, Mengqi Cheng3
1Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China.
Aging
|October 18, 2023
概括
冠状素聚合因子 (CHPF) 通过促进细胞增殖和迁移,驱动着质瘤的进展. 针对由HNF4A调节并与MAD1L1相互作用的CHPF,为质瘤提供了潜在的治疗策略.
科学领域:
- 生物化学 生化学
- 分子生物学分子生物学
- 在瘤学瘤学.
背景情况:
- 氏素聚合因子 (CHPF) 是一种参与氏素硫酸盐 (CS) 生物合成的糖系转移酶.
- 以前的研究表明,CHPF抑制会影响质瘤细胞增殖,但潜在的机制尚不清楚.
研究的目的:
- 阐明CHPF在质瘤发育中的分子机制.
- 调查CHPF表达和质瘤恶性病变之间的相关性.
- 为了确定质瘤中CHPF的调节因子和相互作用蛋白.
主要方法:
- 在质瘤组织中CHPF表达的分析.
- 在体外测试:细胞增殖,殖民地形成,迁移和细胞循环分析.
- 在体内质瘤模型.
- 生物化学试验:免疫沉降,共同免疫沉降,GST拉下,LC-MS/MS. 这些都在进行中.
- 在ChIP-PCR分析中.
主要成果:
- 在质瘤中,CHPF是上调调的,与预后不佳相关.
- CHPF静音抑制了结质瘤细胞的增殖,迁移,殖民地形成和细胞循环的进展.
- CHPF与Mitotic arrest deficient 1-like 1 (MAD1L1) 相互作用. CHPF与Mitotic arrest deficient 1-like 1 (MAD1L1) 相互作用. CHPF与Mitotic arrest deficient 1-like 1 (MAD1L1) 相互作用. CHPF与Mitotic arrest deficient 1-like 1 (MAD1L1) 相互作用. CHPF与Mitotic arrest deficient 1-like 1 (MAD1L1) 相互作用. CHPF与Mitotic arrest deficient 1-like 1 (MAD1L1) 相互作用. CHPF与M1L1 相互作用. CHPF与M1L1 相互作用.
- 肝细胞核因子4A (HNF4A) 直接与CHPF促进体结合,调节其表达.
结论:
- 在促进质瘤恶性病变方面,CHPF起着至关重要的作用.
- HNF4A-CHPF轴和CHPF-MAD1L1相互作用是质瘤中的关键分子机制.
- CHPF代表了质瘤治疗的潜在治疗点.
相关概念视频
Interactions Between Signaling Pathways
6.3K
Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
6.3K
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
Abnormal Proliferation
4.5K
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...
4.5K
Regulation of Angiogenesis and Blood Supply
2.6K
Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits. Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
2.6K
Cancer Cell Migration through Invadopodia
2.3K
Invadosome is a broad category of cell surface structures with proteolytic activity that degrades the extracellular matrix (ECM). Invadosomes are present in normal cell types, including macrophages, endothelial cells, and neurons, as well as tumor cells. Although the macrophage podosomes and tumor cell invadopodia are classified as invadosomes, they have different structures, molecular pathways, and functions. Podosomes are short structures that last for a few minutes. However,...
2.3K
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


