Polymerase chain reaction-mediated site-directed mutagenesis detection of Z and S alpha-1-antitrypsin alleles in family members.

Abstract excerpt

Alpha-1-antitrypsin (A1AT) deficiency is an autosomal hereditary disorder with a reduction in serum A1AT levels. In a large family, we used a polymerase chain reaction (PCR)-mediated, site-directed mutagenesis assay to detect the two most common A1AT deficient variants, Z and S. By coamplification, using primers for both the Z and S mutations, we were able to detect heterozygous and homozygous genotypes for both...

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