Abstract
The airways are continuously challenged by a variety of stimuli including bacteria, viruses, allergens, and inflammatory factors that act as agonists for G protein-coupled receptors (GPCR). Intracellular calcium (Ca2+ i) mobilization in airway epithelia in response to extracellular stimuli regulates key airway innate defense functions, e.g., Ca2+-activated Cl− secretion, ciliary beating, mucin secretion, and inflammatory responses. Because Ca2+ i mobilization in response to luminal stimuli is larger in CF vs. normal human airway epithelia, alterations in Ca2+ i signals have been associated with the pathogenesis of CF airway disease. Hence, assessment of Ca2+ i signaling has become an important area of CF research. This chapter will focus on measurements of cytoplasmic and mitochondrial Ca2+ signals resulting from GPCR activation in polarized primary cultures of normal and CF human bronchial epithelia (HBE).
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Acknowledgments
The author thanks Lisa Brown for editorial assistance and Mary Braun Martino for technical assistance and has declared no conflict of interest. This work was supported by grants RIBEIR00Z0, RIBEIR00G0, and RIBEIR07G0 from The Cystic Fibrosis Foundation.
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Ribeiro, C.M. (2011). Measurements of Intracellular Calcium Signals in Polarized Primary Cultures of Normal and Cystic Fibrosis Human Airway Epithelia. In: Amaral, M., Kunzelmann, K. (eds) Cystic Fibrosis. Methods in Molecular Biology, vol 742. Humana Press. https://doi.org/10.1007/978-1-61779-120-8_7
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DOI: https://doi.org/10.1007/978-1-61779-120-8_7
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