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Related Concept Videos

Diversity in Cell Signaling Responses01:22

Diversity in Cell Signaling Responses

The physiological function of a cell and cellular communication are outcomes of a range of extrinsic signals, intracellular signaling pathways, and cellular responses. No two cell types express the same repertoire of signaling components. Receptors are highly selective for their cognate ligands, but once activated, they can alter multiple cellular processes such as DNA transcription, protein synthesis, and metabolic activity. 
Graded and Abrupt Responses
Some signaling systems generate...
Overview of Cell Signaling01:23

Overview of Cell Signaling

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate with the environment.
Cells respond to many types of information, often through receptor proteins positioned on the membrane. For example, skin cells respond to and transmit touch...
Overview of Cell Signaling01:23

Overview of Cell Signaling

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate with the environment.
Cells respond to many types of information, often through receptor proteins positioned on the membrane. For example, skin cells respond to and transmit touch...
What is Cell Signaling?02:03

What is Cell Signaling?

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.
What is Cell Signaling?02:03

What is Cell Signaling?

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.
Cell Signaling Feedback Loops01:07

Cell Signaling Feedback Loops

Positive and negative feedback loops are crucial for regulating biological signaling systems. These feedback loops are processes that connect output signals to their inputs.
Negative feedback loops
Most signaling systems have negative feedback loops that can perform different functions such as output limiter, and adaptation.
Output limiter
Upon receiving an input signal, the cellular response rapidly increases until a threshold is reached. Beyond this threshold, a negative feedback loop...

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Rapid Development of Cell State Identification Circuits with Poly-Transfection
09:21

Rapid Development of Cell State Identification Circuits with Poly-Transfection

Published on: February 24, 2023

Customizing cell signaling using engineered genetic logic circuits.

Baojun Wang1, Martin Buck

  • 1Department of Mathematics, Imperial College London, London, UK. b.wang06@imperial.ac.uk

Trends in Microbiology
|June 12, 2012
PubMed
Summary
This summary is machine-generated.

Scientists are engineering synthetic genetic logic circuits to program cells. These circuits enable cells to sense and integrate multiple signals, leading to customized responses for various applications.

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Area of Science:

  • Synthetic biology
  • Genetic engineering
  • Cellular signaling

Background:

  • Cells naturally sense and respond to environmental cues via signaling and gene networks.
  • Recent advances allow rewiring of these networks for programmed cellular behavior.

Purpose of the Study:

  • To summarize the state-of-the-art in engineering synthetic genetic logic circuits.
  • To discuss applications and challenges in customizing cellular signaling.

Main Methods:

  • Review of current research in synthetic genetic logic circuit engineering.
  • Analysis of methods for signal integration and logical processing in cells.

Main Results:

  • Engineered cells can sense and integrate multiple signals using synthetic genetic logic circuits.
  • Customized cellular responses can be programmed based on integrated signals.

Conclusions:

  • Synthetic genetic logic circuits offer powerful tools for controlling cellular behavior.
  • Significant potential exists for applications in biocomputing, biotechnology, and medicine, alongside ongoing challenges.