`alpha ` - 1 antitrypsin (AAT) protein is used to treat which disease ?

alpha - 1 antitrypsin is

alpha- 1 antitrypsin is:

a-1 antitrypsin as:

alpha-1 antitrypsin is

alpha-1 antitrypsin is

alpha-1 antitrypsin is

alpha-1 antitrypsin is

Transgenic animals have been created that can produce alpha-1 -antitrypsin in their milk. This protein is used to treat which disorder?