Tag: symptoms of AAT deficiency

  • Homozygous Alpha-1-Antitrypsin Deficiency

    Homozygous Alpha-1-Antitrypsin Deficiency Definition and Description of Homozygous Alpha-1-Antitrypsin Deficiency Homozygous Alpha-1-Antitrypsin Deficiency (AAT deficiency) is a genetic disorder characterized by the lack of a protein called alpha-1-antitrypsin (AAT) that protects the lungs and liver from damage. Individuals with this deficiency have significantly lower levels of AAT, which can lead to various health issues, particularly…