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American Society of Nephrology, Journal of the American Society of Nephrology, 7(21), p. 1093-1096, 2010

DOI: 10.1681/asn.2009070759

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Macula Densa Sensing and Signaling Mechanisms of Renin Release

Journal article published in 2010 by János Peti-Peterdi, Raymond C. Harris ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Macula densa cells in the distal nephron, according to the classic paradigm, are salt sensors that generate paracrine chemical signals in the juxtaglomerular apparatus to control vital kidney functions, including renal blood flow, glomerular filtration, and renin release. Renin is the rate-limiting step in the activation of the renin-angiotensin system, a key modulator of body fluid homeostasis. Here, we discuss recent advances in understanding macula densa sensing and suggest these cells, in addition to salt, also sense various chemical and metabolic signals in the tubular environment that directly trigger renin release.