Abstract
Cytosolic Ca2+ plays an important role in cellular biology, and since its identification as a second messenger, a number of techniques and methods to analyze the changes in cytosolic Ca2+ concentration ([Ca2+]c) induced by physiological agonists have been developed. Changes in [Ca2+]c might be determined in single cells or in cell populations. Measurement in single cells allows to determine changes in [Ca2+]c at a subcellular level but often results in heterogeneous responses among cells. Determination of intracellular Ca2+ mobilization at the cell population level reduces this heterogeneity and allows [Ca2+]c measurements in small cells that load little amounts of indicator. Here, we describe the measurement of agonist-evoked changes in [Ca2+]c associated with Ca2+ influx in cell populations.
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Acknowledgments
This work had been supported by Ministerio de Economia y Competitividad (BFU2013-45564-C2-1-P and BFU2016-74932-C2-1-P) and Junta de Extremadura-FEDER (GR15029 and IB16046). N.D. is supported by a fellowship from the University of Extremadura.
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Redondo, P.C., Berna-Erro, A., Dionisio, N., Rosado, J.A. (2018). Fluorescence-Based Measurements of the CRAC Channel Activity in Cell Populations. In: Penna, A., Constantin, B. (eds) The CRAC Channel. Methods in Molecular Biology, vol 1843. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-8704-7_6
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DOI: https://doi.org/10.1007/978-1-4939-8704-7_6
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