Calcium influx through reversed NCX controls migration of microglia

Mami Noda, Masataka Ifuku, Yuki Mori, Alexei Verkhratsky

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Citations (Scopus)

Abstract

Microglia, the immune cells of the central nervous system (CNS), are busy and vigilant guards of the adult brain, which scan brain parenchyma for damage and activate in response to lesions. Release of danger signals/chemoattractants at the site of damage initiates microglial activation and stimulates migration. The main candidate for a chemoattractant sensed by microglia is adenosine triphosphate (ATP); however, many other substances can have similar effects. Some neuropeptides such as angiotensin II, bradykinin, endothelin, galanin and neurotensin are also chemoattractants for microglia. Among them, bradykinin increases microglial migration using mechanism distinct from that of ATP. Bradykinin-induced migration is controlled by a Gi/o-protein- independent pathway, while ATP-induced migration involves Gi/o proteins as well as mitogen-activated protein kinase (MAPK)/extracellular signal-regulated kinase (ERK)-dependent pathway. Galanin was reported to share certain signalling cascades with bradykinin; however, this overlap is only partial. Bradykinin, for example, stimulates Ca2+ influx through the reversed Na+/Ca2+ exchange (NCX), whereas galanin induces intracellular Ca2+ mobilization by inositol-3,4,5-trisphosphate (InsP3)-dependent Ca2+ release from the intracellular store. These differences in signal cascades indicate that different chemoattractants such as ATP, bradykinin and galanin control distinct microglial functions in pathological conditions such as lesion and inflammation and NCX contributes to a special case of microglial migration.

Original languageEnglish
Title of host publicationSodium Calcium Exchange
Subtitle of host publicationA Growing Spectrum of Pathophysiological Implications: Proceedings of the 6th International Conference on Sodium Calcium Exchange
EditorsLucio Annunziato
Pages289-294
Number of pages6
DOIs
Publication statusPublished - Feb 15 2013

Publication series

NameAdvances in Experimental Medicine and Biology
Volume961
ISSN (Print)0065-2598

Fingerprint

Microglia
Bradykinin
Galanin
Chemotactic Factors
Calcium
Adenosine Triphosphate
Brain
Neurotensin
Endothelins
Extracellular Signal-Regulated MAP Kinases
Neurology
Mitogen-Activated Protein Kinases
Neuropeptides
Angiotensin II
Proteins
Central Nervous System
Chemical activation
Inflammation

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Noda, M., Ifuku, M., Mori, Y., & Verkhratsky, A. (2013). Calcium influx through reversed NCX controls migration of microglia. In L. Annunziato (Ed.), Sodium Calcium Exchange: A Growing Spectrum of Pathophysiological Implications: Proceedings of the 6th International Conference on Sodium Calcium Exchange (pp. 289-294). (Advances in Experimental Medicine and Biology; Vol. 961). https://doi.org/10.1007/978-1-4614-4756-6-24

Calcium influx through reversed NCX controls migration of microglia. / Noda, Mami; Ifuku, Masataka; Mori, Yuki; Verkhratsky, Alexei.

Sodium Calcium Exchange: A Growing Spectrum of Pathophysiological Implications: Proceedings of the 6th International Conference on Sodium Calcium Exchange. ed. / Lucio Annunziato. 2013. p. 289-294 (Advances in Experimental Medicine and Biology; Vol. 961).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Noda, M, Ifuku, M, Mori, Y & Verkhratsky, A 2013, Calcium influx through reversed NCX controls migration of microglia. in L Annunziato (ed.), Sodium Calcium Exchange: A Growing Spectrum of Pathophysiological Implications: Proceedings of the 6th International Conference on Sodium Calcium Exchange. Advances in Experimental Medicine and Biology, vol. 961, pp. 289-294. https://doi.org/10.1007/978-1-4614-4756-6-24
Noda M, Ifuku M, Mori Y, Verkhratsky A. Calcium influx through reversed NCX controls migration of microglia. In Annunziato L, editor, Sodium Calcium Exchange: A Growing Spectrum of Pathophysiological Implications: Proceedings of the 6th International Conference on Sodium Calcium Exchange. 2013. p. 289-294. (Advances in Experimental Medicine and Biology). https://doi.org/10.1007/978-1-4614-4756-6-24
Noda, Mami ; Ifuku, Masataka ; Mori, Yuki ; Verkhratsky, Alexei. / Calcium influx through reversed NCX controls migration of microglia. Sodium Calcium Exchange: A Growing Spectrum of Pathophysiological Implications: Proceedings of the 6th International Conference on Sodium Calcium Exchange. editor / Lucio Annunziato. 2013. pp. 289-294 (Advances in Experimental Medicine and Biology).
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