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The relationship between P2X4 and P2X7: a physiologically important interaction?

Craigie, Eilidh, Birch, Rebecca E, Unwin, Robert J, Wildman, Scott S.P. (2013) The relationship between P2X4 and P2X7: a physiologically important interaction? Frontiers in physiology, 4 . p. 216. ISSN 1664-042X. (doi:10.3389/fphys.2013.00216)

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http://dx.doi.org/10.3389/fphys.2013.00216

Abstract

Purinergic signaling within the kidney is becoming an important focus in the study of renal health and disease. The effectors of ATP signaling, the P2Y and P2X receptors, are expressed to varying extents in and along the nephron. There are many studies demonstrating the importance of the P2Y2 receptor on kidney function, and other P2 receptors are now emerging as participants in renal regulation. The P2X4 receptor has been linked to epithelial sodium transport in the nephron and expression levels of the P2X7 receptor are up-regulated in certain pathophysiological states. P2X7 antagonism has been shown to ameliorate rodent models of DOCA salt-induced hypertension and P2X4 null mice are hypertensive. Interestingly, polymorphisms in the genetic loci of P2X4 and P2X7 have been linked to blood pressure variation in human studies. In addition to the increasing evidence linking these two P2X receptors to renal function and health, a number of studies link the two receptors in terms of physical associations between their subunits, demonstrated both in vitro and in vivo. This review will analyze the current literature regarding interactions between P2X4 and P2X7 and assess the potential impact of these with respect to renal function.

Item Type: Article
DOI/Identification number: 10.3389/fphys.2013.00216
Subjects: R Medicine > RM Therapeutics. Pharmacology
Divisions: Faculties > Sciences > Medway School of Pharmacy
Depositing User: Scott S.P. Wildman
Date Deposited: 10 Dec 2015 16:20 UTC
Last Modified: 29 May 2019 16:42 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/53086 (The current URI for this page, for reference purposes)
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