What is the physiology of albumin degradation?

Updated: Sep 11, 2020
  • Author: Ruben Peralta, MD, FACS; Chief Editor: Michael R Pinsky, MD, CM, Dr(HC), FCCP, FAPS, MCCM  more...
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Answer

Degradation of albumin is poorly understood. After secretion into the plasma, the albumin molecule passes into tissue spaces and returns to the plasma via the thoracic duct. Tagged albumin studies suggest that albumin may be degraded within the endothelium of the capillaries, bone marrow, and liver sinuses. Albumin molecules apparently degrade randomly, with no differentiation between old and new molecules.


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