Author(s) Valdivieso, Á.G.; Santa-Coloma, T.A.
Journal Biol Rev Camb Philos Soc
Date Published 2019 Oct

The specific role of the chloride anion (Cl ) as a signalling effector or second messenger has been increasingly recognized in recent years. It could represent a key factor in the regulation of cellular homeostasis. Changes in intracellular Cl concentration affect diverse cellular functions such as gene and protein expression and activities, post-translational modifications of proteins, cellular volume, cell cycle, cell proliferation and differentiation, membrane potential, reactive oxygen species levels, and intracellular/extracellular pH. Cl also modulates functions in different organelles, including endosomes, phagosomes, lysosomes, endoplasmic reticulum, and mitochondria. A better knowledge of Cl signalling could help in understanding the molecular and metabolic changes seen in pathologies with altered Cl transport or under physiological conditions. Here we review relevant evidence supporting the role of Cl as a signalling effector.

DOI 10.1111/brv.12536
ISSN 1469-185X
Citation Valdivieso ÁG, Santa-Coloma TA. The chloride anion as a signalling effector. Biol Rev Camb Philos Soc. 2019;94(5):1839-1856.

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