Alpha-1 antitrypsin deficiency (AATD) is a genetic disorder that leads to low levels of a protein called alpha-1 antitrypsin (AAT) in the blood. This deficiency can result in serious health issues ...

Quantification of stool alpha-1 Antitrypsin (sAAT) excretion is established for estimation of enteric protein loss and assessment of disease activity. This study is to access the feasibility of ...