Medical Definition of Elastase

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Elastase: An enzyme that digests and degrades a number of proteins including elastin, an elastic substance in the lungs and some other organs that supports their structural framework. Elastase is specifically inhibited by alpha-1 antitrypsin. See also: Alpha-1 antitrypsin deficiency.

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Reviewed on 12/21/2018

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