WNK3

WNK3 or With No Lysine Kinase 3 is a protein that in humans is encoded by the WNK3 gene. This protein belongs to the family of serine/threonine protein kinases. This kinase can be activated by changes in the osmolarity of extracellular fluids, including dehydration, which leads to increased expression of the WNK3 gene in the kidney.

Function

WNK3 plays a crucial role in maintaining the balance of sodium and potassium in the body. It is involved in the regulation of various transport pathways, including the Na-K-2Cl cotransporter (NKCC), the Na-Cl cotransporter (NCC), and the K-Cl cotransporter (KCC). WNK3 can either activate or inhibit these transporters, depending on the cellular context and the specific transporter involved.

Clinical Significance

Mutations in the WNK3 gene have been associated with a variety of medical conditions. For example, alterations in WNK3 have been linked to hypertension, a condition characterized by high blood pressure. Additionally, WNK3 has been implicated in the development of cancer, as it is often overexpressed in cancerous cells.

Research

Research into WNK3 is ongoing, with scientists seeking to better understand its role in the body and its potential as a target for new treatments. For example, studies are being conducted to investigate the role of WNK3 in the regulation of blood pressure and the development of hypertension.

See Also

• WNK1
• WNK2
• WNK4

References

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