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Related Experiment Video

Updated: Jun 27, 2025

Genetic Barcoding with Fluorescent Proteins for Multiplexed Applications
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Reconstructing Signaling Networks Using Biosensor Barcoding.

Suyang Wang1, Wei-Yu Chi1,2, Gabriel Au3

  • 1Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, MD, USA.

Methods in Molecular Biology (Clifton, N.J.)
|May 6, 2024
PubMed
Summary
This summary is machine-generated.

We developed a biosensor barcoding technique to track numerous signaling activities in live cells. This method was used to reconstruct the epidermal growth factor receptor (EGFR) signaling network under perturbation conditions.

Keywords:
Deep learningEpidermal growth factor receptor (EGFR)Genetically encoded fluorescent biosensorsLive cell imagingMultiplexingReceptor tyrosine kinases (RTKs)Signaling networkSmall-molecule inhibitors

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Area of Science:

  • Cellular signaling pathways
  • Systems biology
  • Molecular cell biology

Background:

  • Cellular signaling network regulation is vital for organism response and disease treatment.
  • Understanding these networks requires measuring individual node activities under perturbation.
  • Existing methods lack the capacity for high-throughput, multiplexed analysis.

Purpose of the Study:

  • To present a novel biosensor barcoding technique for massively multiplexed tracking of signaling activities.
  • To demonstrate the application of this technique in reconstructing a specific signaling network.
  • To provide a scalable method for dissecting complex cellular communication.

Main Methods:

  • Development of a biosensor barcoding technique using genetically encoded fluorescent biosensors.
  • Massively multiplexed tracking of numerous signaling activities in live cells.
  • Systematic monitoring of individual node activities under perturbation conditions.
  • Application of the method to reconstruct the epidermal growth factor receptor (EGFR) signaling network.

Main Results:

  • Successfully implemented a biosensor barcoding technique for live-cell signaling analysis.
  • Enabled simultaneous monitoring of multiple signaling nodes.
  • Provided a detailed reconstruction of the EGFR signaling network dynamics.
  • Demonstrated the feasibility of the approach for complex network analysis.

Conclusions:

  • The biosensor barcoding technique offers a powerful tool for dissecting cellular signaling networks.
  • This method facilitates a systems-level understanding of cellular responses to stimuli.
  • The approach has significant implications for disease mechanism research and therapeutic strategy development.