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Methods to Measure Intracellular Ca2+ Concentration Using Ca2+-Sensitive Dyes

  • Sofia Zanin
  • Elisa Lidron
  • Rosario Rizzuto
  • Giorgia PallafacchinaEmail author
Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 1925)

Abstract

Ca2+ ion is universally considered the most versatile second messenger responsible for decoding and regulating the majority of the signaling pathways within the cell. The study of intracellular Ca2+ concentration ([Ca2+]i) dynamics is consequently of primary importance for the interpretation of cellular biology. This chapter will present a relatively simple, largely diffused, and nevertheless robust method to measure variations of [Ca2+]i by the use of the Ca2+-sensitive chemical dye Fura-2. A general protocol for the assessment of [Ca2+]i in adherent cells, applicable to a variety of cell systems, will be first presented. Then, the implementation of Fura-2 to detect [Ca2+]i in two specific cell types, namely, human adrenocortical cells and primary skin fibroblasts, will be discussed in more particulars. Finally, the procedure to monitor Ca2+ influx through the plasma membrane using Fura-2 will be described.

Key words

Intracellular calcium measurements Fura-2 Ratiometric calcium indicator Adherent cells 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Sofia Zanin
    • 1
  • Elisa Lidron
    • 2
  • Rosario Rizzuto
    • 2
  • Giorgia Pallafacchina
    • 2
    • 3
    Email author
  1. 1.Department of MedicineUniversity of PaduaPaduaItaly
  2. 2.Department of Biomedical SciencesUniversity of PaduaPaduaItaly
  3. 3.Neuroscience Institute, Italian National Research Council (CNR)PaduaItaly

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