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Updated: Jun 4, 2026

Fluorescence-based Measurement of Store-operated Calcium Entry in Live Cells: from Cultured Cancer Cell to Skeletal Muscle Fiber
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Fluorescent measurement of [Ca²+]c: basic practical considerations.

Alec W M Simpson1

  • 1Department of Human Anatomy and Cell Biology, University of Liverpool, Liverpool, UK.

Methods in Molecular Biology (Clifton, N.J.)
|February 23, 2011
PubMed
Summary
This summary is machine-generated.

Measuring cytosolic-free calcium (Ca2+) is complex due to diverse indicators, cell types, and equipment. This guide offers an overview to help researchers develop custom protocols for accurate Ca2+ measurements.

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Area of Science:

  • Biochemistry
  • Cell Biology
  • Physiology

Background:

  • Accurate measurement of cytosolic-free calcium (Ca2+) is crucial for understanding cellular processes.
  • A wide array of fluorescent Ca2+ indicators, cell types, and detection equipment complicates standardized measurement protocols.

Purpose of the Study:

  • To provide an overview of the technologies available for measuring cytosolic-free Ca2+.
  • To guide researchers in developing experimental protocols tailored to their specific objectives, cell models, and available equipment.

Main Methods:

  • Discussion of various fluorescent Ca2+ indicators.
  • Consideration of different cell types for investigation.
  • Overview of available detection equipment for Ca2+ measurements.

Main Results:

  • Highlights the challenges in establishing a universal protocol for Ca2+ measurement.
  • Emphasizes the need for customized approaches based on experimental context.

Conclusions:

  • Researchers must develop specific protocols for measuring cytosolic-free Ca2+.
  • Protocol development should consider the choice of Ca2+ indicators, cell types, and detection systems.