Molecular confirmation of alpha 1-antitrypsin genotypes in newborn dried blood specimens.

Abstract excerpt

Deficiency of alpha 1-antitrypsin (alpha 1AT), a common hereditary disorder of Caucasians, is associated with an increased risk for early-onset chronic obstructive pulmonary disease and childhood liver dysfunction. The two most common deficiency variants, PiS and PiS, are both single base-pair substitutions causing amino acid modifications, although neither mutation creates or destroys a naturally occurring...

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