RENAL PHYSIOLOGY: Prostaglandins in thiazide-induced hyponatraemia: do they hold water?

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Thiazide diuretics lower blood pressure and cardiovascular risk but can cause severe hyponatraemia. Researchers now demonstrate that thiazide-induced hyponatraemia is associated with a genetic variant in a distal nephron prostaglandin transporter. They propose that reduced prostaglandin reabsorption through this transporter facilitates activation of the prostaglandin EP4 receptor to increase water reabsorption.

Refers to Ware, J. S. et al. Phenotypic and pharmacogenetic evaluation of patients with thiazide-induced hyponatremia. J. Clin. Invest. 127, 3367–3374 (2017)

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