What Is Alpha-1 Antitrypsin Deficiency?
Alpha-1 antitrypsin deficiency is a genetic condition, also known as Alpha-1 or A1AT deficiency. It can cause severe lung and liver disease. But some people never have symptoms.
The liver makes alpha-1 antitrypsin, a protein that helps protect the lungs from inflammation and inhaled irritants like tobacco smoke.
With A1AT deficiency, much of the protein gets trapped in the liver. That means the lungs don't get enough of it, leaving them prone to damage.
People with this deficiency may end up with serious lung diseases, including emphysema or COPD.
The build-up of alpha-1 antitrypsin in the liver can cause damage there, too.
Around 1 in 2,500 people worldwide has A1AT deficiency.
A1AT deficiency causes
Alpha-1 is a genetic disease. If you have it, you received two abnormal genes — one from your mother and one from your father.
If either of your parents has A1AT deficiency, they received two faulty genes from their parents. If your parents don't have Alpha-1 but you do, that means each parent has one faulty gene and one normal one.
Some people inherit the damaged genes but don't have any lung or liver symptoms.
Alpha-1 antitrypsin deficiency risk factors and complications
A1AT deficiency is an inherited disorder. That means you're much more likely to have it if you have a family history of the disease.
A1AT deficiency is most common among white people of European descent, but it occurs in all races and ethnic groups.
Alpha-1 can cause serious, even fatal, complications if left untreated such as:
- Asthma
- Cirrhosis of the liver
- COPD
- Emphysema
- Respiratory failure
- Vasculitis
Why choose the UPMC Center for Liver Care for A1AT deficiency care?
AA1AT deficiency is a lifelong genetic disease for which there is no cure. You'll want a specialist with knowledge of treating Alpha-1, like the experts at the UPMC Center for Liver Care.
If your A1AT deficiency leads to liver failure, you'll need a liver transplant.
UPMC is home to one of the oldest and most experienced transplant centers in the U.S. Also, we're a national leader in living-donor liver transplants, which might get you matched with a donor sooner.