Alpha-1-Antitrypsin Deficiency, also known as alpha 1-antitrypsin deficiency, is related to pulmonary emphysema and liver disease, and has symptoms including coughing, hemoptysis and snoring. An important gene associated with Alpha-1-Antitrypsin Deficiency is SERPINA1 (Serpin Family A Member 1), and among its related pathways/superpathways are Embryonic and Induced Pluripotent Stem Cells and Lineage-specific Markers and Defensins. The drugs Dimercaprol and Protein C have been mentioned in the context of this disorder. Affiliated tissues include Liver and lung, and related phenotypes are emphysema and hepatic failure