Arginine vasopressin regulates the renal Na+-Cl and Na+-K+-Cl cotransporters through with-no-lysine kinase 4 and inhibitor 1 phosphorylation

Author:

Carbajal-Contreras Hector12,Murillo-de-Ozores Adrian Rafael13,Magaña-Avila German13,Marquez-Salinas Alejandro12ORCID,Bourqui Laurent4ORCID,Tellez-Sutterlin Michelle15,Bahena-Lopez Jessica P.67,Cortes-Arroyo Eduardo1ORCID,Behn-Eschenburg Sebastián González15,Lopez-Saavedra Alejandro8ORCID,Vazquez Norma5ORCID,Ellison David H.679ORCID,Loffing Johannes4ORCID,Gamba Gerardo125ORCID,Castañeda-Bueno Maria1ORCID

Affiliation:

1. Department of Nephrology and Mineral Metabolism, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico

2. PECEM, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico

3. Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico

4. Institute of Anatomy, University of Zurich, Zurich, Switzerland

5. Molecular Physiology Unit, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico

6. Division of Nephrology and Hypertension, Department of Medicine, Oregon Health and Science University, Portland, Oregon, United States

7. Oregon Clinical and Translational Research Institute, Oregon Health and Science University, Portland, Oregon, United States

8. Unidad de Aplicaciones Avanzadas en Microscopía del Instituto Nacional de Cancerología y la Red de Apoyo a la Investigación, Universidad Nacional Autónoma de México, Mexico City, Mexico

9. Veterans Affairs Portland Health Care System, Portland, Oregon, United States

Abstract

With-no-lysine kinases regulate the phosphorylation and activity of the Na+-Cl and Na+-K+-2Cl cotransporters. This pathway is modulated by arginine vasopressin (AVP). However, the link between AVP and WNK signaling remains unknown. Here, we show that AVP activates WNK4 through increased phosphorylation at putative protein kinase A-regulated sites and decreases its dephosphorylation by protein phosphatase 1. This work increases our understanding of the signaling pathways mediating AVP actions in the kidney.

Funder

Consejo Nacional de Humanidades Ciencias y Tecnologías

Fondation Leducq

HHS | National Institutes of Health

Swiss National Science Foundation

U.S. Department of Veterans Affairs

Universidad Nacional Autónoma de México

Publisher

American Physiological Society

Subject

Physiology

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