Also helps understand role of kidneys in hypertension
In related discoveries with far-reaching implications for treating diabetes and understanding hypertension, University of Utah researchers have learned why thiazolidinediones (TZDs), a major anti-diabetes drug, cause edema and also have found a new pathway critical to fluid metabolism. Identification of this pathway may help understand fundamental mechanisms of blood pressure control.
Using knockout-gene technology, the U of U School of Medicine researchers found that when TZD is activating a nuclear receptor, the peroxisome proliferator-activated receptor gamma, in the collecting duct in the kidney, it serves as a mechanism for fluid retention, or edema. The researchers suggest that the distal nephron, for example the collecting duct, is crucial for regulation of sodium balance and blood pressure. The research is published this week in the Proceedings of the National Academy of Sciences online.
Phil Sahm | EurekAlert!
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