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.
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Zanin, S., Lidron, E., Rizzuto, R., Pallafacchina, G. (2019). Methods to Measure Intracellular Ca2+ Concentration Using Ca2+-Sensitive Dyes. In: Raffaello, A., Vecellio Reane, D. (eds) Calcium Signalling. Methods in Molecular Biology, vol 1925. Humana, New York, NY. https://doi.org/10.1007/978-1-4939-9018-4_4
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DOI: https://doi.org/10.1007/978-1-4939-9018-4_4
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