相关实验视频
Updated: Jun 6, 2025

11:42
Induction of Mesenchymal-Epithelial Transitions in Sarcoma Cells
Published on: April 7, 2017
9.4K
监管网络的设计原则是癌细胞上皮层介质细胞的基础可塑性
Sarthak Sahoo1, Kishore Hari1, Mohit Kumar Jolly1
1Department of Bioengineering, Indian Institute of Science, Bangalore 560012, India.
Current opinion in cell biology
|November 28, 2024
概括
癌细胞表现出表型可塑性,使得转移和耐药性成为可能. 系统层面的分析揭示了基因网络,染色质变化和细胞状态过渡驱动这种适应性.
科学领域:
- 癌症生物学 癌症生物学
- 系统生物学 系统生物学
- 分子生物学分子生物学
背景情况:
- 现型可塑性是癌症的一个关键特征,有助于转移和耐药性.
- 表皮介质可塑性 (EMP) 动态涉及复杂的监管网络在转录和表观遗传层面.
研究的目的:
- 突出从癌细胞可塑性中的基因调节网络的系统级分析中获得的关键见解.
- 阐明癌症细胞状态转换背后的机制.
主要方法:
- 对基因调控网络结构和动态的系统级分析.
- 与高通量纵向数据的集成.
- 对转录,表观遗传和色素水平调节机制的分析.
主要成果:
- 基因调节网络中的多稳定性导致多种共存的混合表型 (吸引物).
- 相互对抗的基因"团队"调节细胞状态转换的速率.
- 染色质修饰改变了可塑性格局,控制了转变的可逆性和细胞记忆.
结论:
- 系统层面的方法为瘤细胞可塑性的动态提供了关键的见解.
- 了解这些网络动态,包括多稳定性和染色体调节,对于向癌症进展至关重要.
相关概念视频
Cadherins in Tissue Organization
2.9K
The cadherins are a superfamily of cell adhesion molecules comprising over 180 variants, with specific tissues expressing a particular combination of cadherin types. Cadherins generally exhibit homophilic binding; i.e., cadherins on one cell bind to cadherins of the same or closely related type on another cell. Thus, cells of the same type have a specific affinity to bind to each other and sort themselves into clusters to form tissues.
Cell Sorting During Development
Cell sorting plays an...
Cell Sorting During Development
Cell sorting plays an...
2.9K
Adaptive Mechanisms in Cancer Cells
5.7K
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
5.7K
Cell-matrix's Response to Mechanical Forces
2.6K
In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue.
Anchoring junctions mechanically attach a cell to the...
Anchoring junctions mechanically attach a cell to the...
2.6K
Cell Migration
4.7K
Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.
4.7K
Interactions Between Signaling Pathways
6.2K
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...
6.2K
Metastasis
5.5K
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...
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...
5.5K

