Salt-sensitive hypertension is associated with dysfunctional Cyp4a10 gene and kidney epithelial sodium channel

Kiyoshi Nakagawa, Vijaykumar R. Holla, Yuan Wei, Wen Hui Wang, Arnaldo Gatica, Shouzou Wei, Shaojun Mei, Crystal M. Miller, Ryong Cha Dae, Edward Price, Roy Zent, Ambra Pozzi, Matthew D. Breyer, Youfei Guan, John R. Falck, Michael R. Waterman, Jorge H. Capdevila

Research output: Contribution to journalArticle

106 Citations (Scopus)

Abstract

Functional and biochemical data have suggested a role for the cytochrome P450 arachidonate monooxygenases in the pathophysiology of hypertension, a leading cause of cardiovascular, cerebral, and renal morbidity and mortality. We show here that disruption of the murine cytochrome P450, family 4, subfamily a, polypeptide 10 (Cyp4a10) gene causes a type of hypertension that is, like most human hypertension, dietary salt sensitive. Cyp4a10-/- mice fed low-salt diets were normotensive but became hypertensive when fed normal or high-salt diets. Hypertensive Cyp4a10-/- mice had a dysfunctional kidney epithelial sodium channel and became normotensive when administered amiloride, a selective inhibitor of this sodium channel. These studies (a) establish a physiological role for the arachidonate monooxygenases in renal sodium reabsorption and blood pressure regulation, (b) demonstrate that a dysfunctional Cyp4a10 gene causes alterations in the gating activity of the kidney epithelial sodium channel, and (c) identify a conceptually novel approach for studies of the molecular basis of human hypertension. It is expected that these results could lead to new strategies for the early diagnosis and clinical management of this devastating disease.

Original languageEnglish (US)
Pages (from-to)1696-1702
Number of pages7
JournalJournal of Clinical Investigation
Volume116
Issue number6
DOIs
StatePublished - Jun 1 2006

Fingerprint

Epithelial Sodium Channels
Salts
Hypertension
Kidney
Mixed Function Oxygenases
Genes
Sodium Channel Blockers
Sodium-Restricted Diet
Amiloride
Disease Management
Cytochrome P-450 Enzyme System
Early Diagnosis
Sodium
Diet
Blood Pressure
Morbidity
Peptides
Mortality

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Nakagawa, K., Holla, V. R., Wei, Y., Wang, W. H., Gatica, A., Wei, S., ... Capdevila, J. H. (2006). Salt-sensitive hypertension is associated with dysfunctional Cyp4a10 gene and kidney epithelial sodium channel. Journal of Clinical Investigation, 116(6), 1696-1702. https://doi.org/10.1172/JCI27546

Salt-sensitive hypertension is associated with dysfunctional Cyp4a10 gene and kidney epithelial sodium channel. / Nakagawa, Kiyoshi; Holla, Vijaykumar R.; Wei, Yuan; Wang, Wen Hui; Gatica, Arnaldo; Wei, Shouzou; Mei, Shaojun; Miller, Crystal M.; Dae, Ryong Cha; Price, Edward; Zent, Roy; Pozzi, Ambra; Breyer, Matthew D.; Guan, Youfei; Falck, John R.; Waterman, Michael R.; Capdevila, Jorge H.

In: Journal of Clinical Investigation, Vol. 116, No. 6, 01.06.2006, p. 1696-1702.

Research output: Contribution to journalArticle

Nakagawa, K, Holla, VR, Wei, Y, Wang, WH, Gatica, A, Wei, S, Mei, S, Miller, CM, Dae, RC, Price, E, Zent, R, Pozzi, A, Breyer, MD, Guan, Y, Falck, JR, Waterman, MR & Capdevila, JH 2006, 'Salt-sensitive hypertension is associated with dysfunctional Cyp4a10 gene and kidney epithelial sodium channel', Journal of Clinical Investigation, vol. 116, no. 6, pp. 1696-1702. https://doi.org/10.1172/JCI27546
Nakagawa, Kiyoshi ; Holla, Vijaykumar R. ; Wei, Yuan ; Wang, Wen Hui ; Gatica, Arnaldo ; Wei, Shouzou ; Mei, Shaojun ; Miller, Crystal M. ; Dae, Ryong Cha ; Price, Edward ; Zent, Roy ; Pozzi, Ambra ; Breyer, Matthew D. ; Guan, Youfei ; Falck, John R. ; Waterman, Michael R. ; Capdevila, Jorge H. / Salt-sensitive hypertension is associated with dysfunctional Cyp4a10 gene and kidney epithelial sodium channel. In: Journal of Clinical Investigation. 2006 ; Vol. 116, No. 6. pp. 1696-1702.
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