Sentence Examples


  • Certain enzymes, such as porphobilinogen deaminase (the defective enzyme in AIP), can be easily extracted from red blood cells; other enzymes, however, are less readily collected or tested.
  • AIP is caused by a deficiency of porphobilinogen deaminase, which occurs due to mutations in the hydroxymethylbilane synthase gene (HMBS) located at 11q23.3.
  • Adenosine deaminase (ADA)-An enzyme that is lacking in a specific type of severe combined immunodeficiency disease (SCID).
  • Adenosine deaminase deficiency (ADA): About 20 percent of SCID cases are of this type.