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Master Transcription Regulators

Master Transcription Regulators

Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...

Master Transcription Regulators

Master Transcription Regulators

Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...

Generator Voltage Control

Generator Voltage Control

Generator voltage control is crucial for maintaining the stable operation of synchronous generators and wind turbines. In older models, a DC generator driven by the rotor delivers DC power to the rotor's field winding, and the power is transferred through slip rings and brushes. In the latest models, static or brushless exciters are used. Static exciters rectify AC power from the generator terminals and then transfer the DC power directly to the rotor. Brushless exciters, on the other hand, use...

Multi-input and Multi-variable systems

Multi-input and Multi-variable systems

Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...

Open and closed-loop control systems

Open and closed-loop control systems

Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal and...

Control of Power Flow

Control of Power Flow

There are several methods to control power flow in power systems:

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Related Experiment Video

Updated: May 12, 2026

Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device

Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device

Published on: September 19, 2025

Multilayer control of the EMT master regulators.

H Zheng¹, Y Kang¹

¹Department of Molecular Biology, Princeton University, Princeton, NJ, USA.

|April 23, 2013

Summary

Metastasis, a major cause of cancer death, is driven by epithelial-mesenchymal transition (EMT). This review details signaling pathways controlling key transcription factors during EMT and cancer progression.

Area of Science:

Oncology
Molecular Biology
Cell Biology

Background:

Metastasis is the primary cause of cancer mortality.
Epithelial-mesenchymal transition (EMT) is an embryonic process reactivated in cancer, enabling cell migration and invasion.
EMT is linked to cancer stem cell properties, immune evasion, and tumor regression.

Purpose of the Study:

To review recent literature on signaling pathways and mechanisms regulating EMT master transcription factors.
To explore how these factors control gene expression during cancer progression.

Main Methods:

Literature review of signaling pathways and molecular mechanisms.
Analysis of transcription, translation, and protein stability control of EMT regulators.
Focus on Snail, Zeb, and Twist families.

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Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

Related Experiment Videos

Last Updated: May 12, 2026

Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device

Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device

Published on: September 19, 2025

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

Main Results:

EMT master regulators (Snail, Zeb, Twist) are tightly controlled at multiple expression levels.
Diverse cell-intrinsic and extracellular signals influence these transcription factors.
Understanding these regulatory networks is crucial for cancer progression insights.

Conclusions:

EMT is a critical process in cancer metastasis, regulated by complex signaling networks.
Master transcription factors orchestrate EMT, influencing tumor progression and therapeutic resistance.
Further research into these pathways can reveal novel therapeutic strategies.