2007
An SGK1 site in WNK4 regulates Na+ channel and K+ channel activity and has implications for aldosterone signaling and K+ homeostasis
Ring AM, Leng Q, Rinehart J, Wilson FH, Kahle KT, Hebert SC, Lifton RP. An SGK1 site in WNK4 regulates Na+ channel and K+ channel activity and has implications for aldosterone signaling and K+ homeostasis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2007, 104: 4025-4029. PMID: 17360471, PMCID: PMC1803763, DOI: 10.1073/pnas.0611728104.Peer-Reviewed Original ResearchConceptsIntravascular volume depletionNa-Cl cotransporterAldosterone signalingPseudohypoaldosteronism type IIVolume depletionPhysiologic responsesNaCl reabsorptionPHAII-mutant WNK4Steroid hormone aldosteroneRenal outer medullaryRenal NaCl reabsorptionFunctional stateWNK4 mutationsROMK activityHormone aldosteroneOuter medullaryHyperkalemiaSecretionKidneyWild-type WNK4ReabsorptionAldosteroneChannel activityChannel ENaCWNK4
2006
WNK3, a kinase related to genes mutated in hereditary hypertension with hyperkalaemia, regulates the K+ channel ROMK1 (Kir1.1)
Leng Q, Kahle KT, Rinehart J, MacGregor GG, Wilson FH, Canessa CM, Lifton RP, Hebert SC. WNK3, a kinase related to genes mutated in hereditary hypertension with hyperkalaemia, regulates the K+ channel ROMK1 (Kir1.1). The Journal Of Physiology 2006, 571: 275-286. PMID: 16357011, PMCID: PMC1796803, DOI: 10.1113/jphysiol.2005.102202.Peer-Reviewed Original ResearchConceptsDistal convoluted tubuleInhibition of ROMK1KCNQ1/KCNE1Renal NaCl reabsorptionEpithelial sodium channelAmiloride-sensitive currentDistal nephronVivo effectsConvoluted tubulesKinase-dependent activationQT syndromeNCC activityNaCl reabsorptionNephron segmentsDuct principal cellsHereditary hypertensionSodium channelsPrincipal cellsII cellsRenal NaClSurface expressionXenopus laevis oocytesHypertensionHomeostatic systemDisease