WNK kinases and the kidney

Ewout J. Hoorn, David Ellison

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

In the kidney, the renal tubule plays a major role in maintaining fluid and electrolyte balance. This balance is achieved by an interplay between various hormones and nerves that signal changes throughout the body and transfer these signals to transport proteins. Increased or reduced activity of these transporters helps to restore homeostasis, but can also contribute to disease (e.g. sodium retention in hypertension). In recent years, it has become clear that the signal transfer to transporters is largely mediated by kinases. Among these, WNK kinases (With No lysine. =. K) stand out, because they regulate the major sodium and potassium transporters in the distal nephron. Moreover, mutations in genes encoding WNK kinases result in an inherited form of salt-sensitive hypertension with hyperkalemia, illustrating their important role in sodium, potassium, and blood pressure regulation. More recently, WNK kinases were found to play a role in acquired forms of hypertension as well. Together, the evolving insight in the kinase regulation of ion transport is providing new insights in the longstanding question how salt and blood pressure are related. Here, we review the current models of how WNK kinases regulate the various transport proteins and which roles they play in health and disease.

Original languageEnglish (US)
Pages (from-to)1020-1026
Number of pages7
JournalExperimental Cell Research
Volume318
Issue number9
DOIs
StatePublished - May 15 2012

Fingerprint

Phosphotransferases
Kidney
Water-Electrolyte Balance
Sodium
Hypertension
Potassium
Carrier Proteins
Salts
Blood Pressure
Hyperkalemia
Nephrons
Ion Transport
Lysine
Homeostasis
Hormones
Mutation
Health
Genes

Keywords

  • Distal tubule
  • Hypertension
  • NaCl transport
  • Pseudohypoaldosteronism type 2
  • SPAK
  • WNK kinases

ASJC Scopus subject areas

  • Cell Biology

Cite this

WNK kinases and the kidney. / Hoorn, Ewout J.; Ellison, David.

In: Experimental Cell Research, Vol. 318, No. 9, 15.05.2012, p. 1020-1026.

Research output: Contribution to journalArticle

Hoorn, Ewout J. ; Ellison, David. / WNK kinases and the kidney. In: Experimental Cell Research. 2012 ; Vol. 318, No. 9. pp. 1020-1026.
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