Alpha-1 Antitrypsin Deficiency - Causes

Alpha-1 antitrypsin (AAT) deficiency happens when you do not make enough AAT protein. The AAT protein is made in your liver. This protein enters your blood and protects your organs, including the lungs, from damage. For example, your immune system is your body’s defense against bacteria and viruses but if it is overactive, it can damage your body while fighting diseases. The AAT protein prevents you from having too much inflammation in your lungs. Without enough AAT protein, your immune system may damage your lungs and lead to lung disease.

Media Type: Html
  • SourceUrl:
  • Syndication ID: 18961
  • Language: English
  • Source: National Heart, Lung, and Blood Institute (NHLBI)
  • Date Syndication Captured: Thursday, March 19, 2020 at 08:50 PM
  • Date Syndication Updated: Saturday, January 09, 2021 at 01:07 AM


General: inflammation liver Protein lungs

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