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Related Experiment Video

Updated: Dec 18, 2025

A Multiplexed Luciferase-based Screening Platform for Interrogating Cancer-associated Signal Transduction in Cultured Cells
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Simultaneous Examination of Cellular Pathways using Multiplex Hextuple Luciferase Assaying.

Alejandro Sarrion-Perdigones1, Lyra Chang2,3, Yezabel Gonzalez1

  • 1Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, Texas.

Current Protocols in Molecular Biology
|June 16, 2020
PubMed
Summary

This study introduces a novel hextuple luciferase assay for simultaneously monitoring five cellular signaling pathways and one control. This multiplex assay enables sensitive, large-dynamic-range analysis of pathway activity in single cells.

Keywords:
assaycell culturecellular signaling pathwayhextuplehigh-throughputluciferasemultiplexorthogonalpathway perturbationplate readertransfection

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Area of Science:

  • Molecular Biology
  • Cellular Signaling
  • Biotechnology

Background:

  • Multiplex experimentation requires orthogonal reporters for simultaneous pathway analysis.
  • Luciferases offer cost-effective, sensitive detection for multiplex assays.
  • Current dual luciferase assays are limited in pathway monitoring capacity.

Purpose of the Study:

  • To develop and detail protocols for a multiplex hextuple luciferase assay.
  • To enable simultaneous monitoring of five distinct cellular signaling pathways and a control.
  • To expand the dynamic range and multiplexing capability of luciferase reporter assays.

Main Methods:

  • Development of six unique luciferase reporters for distinct pathways.
  • Utilizing two distinct substrates for spectral decomposition of light emission.
  • Employing bandpass filters for distinguishing luminescence from individual luciferases.
  • Detailed protocols for vector preparation, cell culture, transfection, and assay execution.

Main Results:

  • Successful implementation of a hextuple luciferase assay.
  • Demonstrated ability to monitor five specific signaling pathways (c-Myc, NF-κβ, TGF-β, p53, MAPK/JNK) and a control.
  • Established protocols for comprehensive data acquisition and interpretation using specialized plate readers.

Conclusions:

  • The hextuple luciferase assay provides a powerful tool for multiplex pathway analysis.
  • This method enhances the capacity for studying complex cellular signaling networks.
  • The detailed protocols facilitate the adoption of this advanced reporter assay.