相关实验视频

Updated: Jul 23, 2025

Studying TGF-β Signaling and TGF-β-induced Epithelial-to-mesenchymal Transition in Breast Cancer and Normal Cells

Studying TGF-β Signaling and TGF-β-induced Epithelial-to-mesenchymal Transition in Breast Cancer and Normal Cells

Published on: October 27, 2020

辛巴斯塔丁可以通过抑制乳腺癌细胞中的瘤性DNMT1表达来防止BMP-2驱动的细胞迁移和入侵

Pooja Yadav¹, Shreetama Bandyopadhayaya¹, Sneha Soni¹

¹Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer 305817, Rajasthan, India.

|July 13, 2023

概括

这项研究表明,BMP-2信号传递和胆固醇通路都调节癌细胞中的DNA甲基转移酶1 (DNMT1) 表达. 抑制DNMT1可以减少癌细胞的迁移和入侵,突出潜在的治疗点.

科学领域:

表观遗传学和癌症生物学
分子瘤学分子瘤学

背景情况:

异常的DNA甲基化,由DNA甲基转移酶1 (DNMT1) 的升高驱动,是癌症发展和转移的标志.
过度表达DNMT1与增加的癌细胞迁移,入侵和干细胞相关,特别是在乳腺癌中.

研究的目的:

阐明控制DNMT1表达的内源性调节机制.
识别影响癌细胞DNMT1水平的上游信号分子.

主要方法:

对癌症数据库的分析,以评估DNMT1表达及其与其他基因的相关性.
在体外实验中,使用使用DNMT1抑制剂,siRNAs,simvastatin和BMP-2治疗的乳腺癌细胞系 (MDA-MB-231,MCF-7) 的实验.
评估细胞迁移,入侵和干细胞的潜力.

主要成果:

在包括乳腺癌在内的各种癌症中,DNMT1的表达被上调,其过度表达增强了癌细胞的攻击性.
西姆瓦斯塔丁 (降胆固醇药物) 降低了DNMT1的表达,而BMP-2治疗增加了它.
BMP-2治疗上调了胆固醇通路基因,而simvastatin抑制了BMP-2-诱导的DNMT1表达.

结论:

BMP-2信号传递和胆固醇代谢途径是癌细胞内源性DNMT1表达的新型调节者.
针对这些途径,特别是BMP-2和胆固醇代谢之间的相互作用,可能为癌症治疗提供新的治疗策略.

关键词:

骨形态遗传蛋白-2 (BMP-2) 是一种骨形态遗传蛋白.胆固醇通路的使用方法基因甲基转移酶1 (DNMT1) 是一种DNA甲基转移酶.辛巴斯塔丁和乳腺癌的作用

更多相关视频

Author Spotlight: Exploring Salidroside's Molecular Mechanisms in Breast Cancer Treatment

Author Spotlight: Exploring Salidroside's Molecular Mechanisms in Breast Cancer Treatment

Published on: June 9, 2023

The Use of Mouse Mammary Tumor Cells in an In Vitro Invasion Assay as a Measure of Oncogenic Cell Behavior

The Use of Mouse Mammary Tumor Cells in an In Vitro Invasion Assay as a Measure of Oncogenic Cell Behavior

Published on: June 12, 2019

相关概念视频

Abnormal Proliferation

Abnormal Proliferation

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...

Cancer Cell Migration through Invadopodia

Cancer Cell Migration through Invadopodia

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,...

Metastasis

Metastasis

Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...