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Related Concept Videos

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.
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...
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...
Intracellular Signaling Cascades01:24

Intracellular Signaling Cascades

Once a ligand binds to a receptor, the signal is transmitted through the membrane and into the cytoplasm. The continuation of a signal in this manner is called signal transduction. Signal transduction only occurs with cell-surface receptors, which cannot interact with most components of the cell, such as DNA. Only internal receptors can interact directly with DNA in the nucleus to initiate protein synthesis. When a ligand binds to its receptor, conformational changes occur that affect the...

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Optogenetic Signaling Activation in Zebrafish Embryos
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Published on: October 27, 2023

Encoding and decoding cellular information through signaling dynamics.

Jeremy E Purvis1, Galit Lahav

  • 1Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA.

Cell
|March 5, 2013
PubMed
Summary
This summary is machine-generated.

Cells use the timing of molecular signals to communicate information. This review explores how these dynamic signaling patterns control cellular responses and potential disease treatments.

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Area of Science:

  • Cellular biology
  • Molecular signaling
  • Systems biology

Background:

  • Emerging research highlights the critical role of temporal dynamics in cellular communication.
  • Signaling molecules' behavior over time is increasingly recognized as a key information carrier.

Purpose of the Study:

  • To review the current understanding of signaling network dynamics.
  • To identify emerging principles in how temporal patterns encode stimulus information and influence cellular outcomes.
  • To explore the network structures that shape and interpret these dynamics.

Main Methods:

  • Literature review of signaling network dynamics.
  • Analysis of principles governing stimulus encoding in temporal patterns.
  • Examination of how network structure influences signaling dynamics and cellular responses.

Main Results:

  • Cellular information is encoded in the temporal patterns of signaling molecules.
  • Signaling dynamics significantly influence cellular responses and outcomes.
  • Molecular network architecture plays a crucial role in shaping and interpreting dynamic signals.

Conclusions:

  • Cellular information transmission relies on the dynamics of signaling molecules.
  • Understanding these dynamics offers potential applications for disease treatment.
  • Dynamic signaling represents a fundamental aspect of cellular information processing.