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Related Experiment Video

Updated: Jun 5, 2026

Stepwise Dosing Protocol for Increased Throughput in Label-Free Impedance-Based GPCR Assays
06:13

Stepwise Dosing Protocol for Increased Throughput in Label-Free Impedance-Based GPCR Assays

Published on: February 21, 2020

Label-Free Receptor Assays.

Ye Fang1

  • 1Biochemical Technologies, Science and Technology Division, Corning Inc., Sullivan Park, Corning, NY 14831, Tele: 607-9747203.

Drug Discovery Today. Technologies
|January 12, 2011
PubMed
Summary
This summary is machine-generated.

Label-free biosensors provide sensitive, unbiased measurements of whole-cell receptor activity and drug interactions. These advanced assays enhance understanding of cell signaling and accelerate drug discovery.

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Area of Science:

  • Biochemistry
  • Cell Biology
  • Pharmacology

Background:

  • Receptor biology and ligand interactions are crucial in cellular signaling and drug development.
  • Current methods may lack sensitivity or bias in measuring complex cellular responses.

Purpose of the Study:

  • To highlight the capabilities of label-free biosensors for studying receptor biology.
  • To demonstrate their utility in characterizing ligand pharmacology and facilitating drug discovery.

Main Methods:

  • Utilizing label-free biosensor technology for integrated, kinetic, and multi-parametric measurements.
  • Assaying whole cells to capture complex signaling pathways.
  • Analyzing functional selectivity and phenotypic pharmacology of ligands.

Main Results:

  • Label-free assays offer high sensitivity and are pathway-unbiased.
  • These methods enable probing of systems cell biology, including pleiotropic receptor signaling.
  • Characterization of ligand molecules' functional selectivity and phenotypic pharmacology is achieved.

Conclusions:

  • Label-free biosensors provide a novel dimension for receptor biology research.
  • These assays are valuable tools for drug discovery and development.