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  1. Alpha-1 antitrypsin deficiency - Wikipedia

    Apart from COPD and chronic liver disease, α 1 -antitrypsin deficiency has been associated with necrotizing panniculitis (a skin condition) and with granulomatosis with polyangiitis in which …

  2. Alpha-1 Antitrypsin Deficiency: Causes, Symptoms & Treatment

    Alpha-1 antitrypsin deficiency (sometimes just called “Alpha-1”) is an inherited genetic disorder that causes low levels of a protein (AAT) that protects your lungs.

  3. Alpha-1-antitrypsin deficiency - Symptoms and causes

    Dec 6, 2025 · Learn about the symptoms and risk factors of alpha-1-antitrypsin deficiency, a condition passed down in families, that can affect the lungs, liver or both.

  4. Alpha-1 Antitrypsin Deficiency - MedlinePlus

    May 3, 2024 · Alpha-1 Antitrypsin Deficiency is an inherited condition that raises your risk for lung and liver disease. Learn about the symptoms and treatment.

  5. Alpha-1 Antitrypsin (AAT) Deficiency - WebMD

    Nov 25, 2025 · Learn about the causes, symptoms, and treatment for alpha-1 antitrypsin (AAT) deficiency, along with questions for your doctor and tips for living with it.

  6. Alpha-1 antitrypsin deficiency - Penn Medicine

    Aug 19, 2024 · Alpha-1 antitrypsin (AAT) deficiency is a condition in which the body does not make enough of AAT, a protein that protects the lungs and liver from damage. The condition can lead to …

  7. What is Alpha-1? Learn More Here

    Learn about Alpha-1 Antitrypsin Deficiency, its causes, symptoms, and available resources to improve quality of life.

  8. Alpha-1 Antitrypsin Deficiency - American Lung Association

    Though there is no cure, once diagnosed, several steps can be taken to control AAT symptoms and improve quality of life. See tips for what to expect, managing the condition and finding support for …

  9. Alpha-1 Antitrypsin Deficiency - What You Need to Know

    Dec 9, 2025 · What is alpha-1 antitrypsin deficiency? Alpha-1 antitrypsin deficiency (AATD) is a condition that increases your risk for lung and liver damage. Alpha-1 antitrypsin (AAT) is made by …

  10. COPD - Alpha-1 Antitrypsin Deficiency | NHLBI, NIH

    Oct 25, 2023 · AAT is a protein made in your liver to help protect the lungs. If your body does not make enough AAT, your lungs are more easily damaged from smoking, pollution, or dust from the …