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Updated: Jun 22, 2025

Culturing Primary Rat Inner Medullary Collecting Duct Cells
Published on: June 21, 2013
Vasopressin, protein metabolism, and water conservation
Joshua S Carty1, Jason A Watts2, Juan Pablo Arroyo1,3
1Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.
Purpose Of Review:
Highlight the mechanisms through which vasopressin and hypertonic stress regulate protein metabolism.
Recent Findings:
Mammals have an 'aestivation-like' response in which hypertonic stress increases muscle catabolism and urea productionVasopressin can directly regulate ureagenesis in the liver and the kidneyIn humans chronic hypertonic stress is associated with premature aging, diabetes, cardiovascular disease, and premature mortality.
Summary:
There is an evolutionarily conserved 'aestivation-like' response in humans in which hypertonic stress results in activation of the vasopressin system, muscle catabolism, and ureagenesis in order to promote water conservation.
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