Journal
DIAGNOSTIC MOLECULAR PATHOLOGY
Volume 13, Issue 3, Pages 160-163Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.pdm.0000128700.22128.80
Keywords
alpha 1-antitrypsin; PCR; RFLP; genotype
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There is worldwide growing awareness of alpha 1-antitrypsin deficiency (AATD), a major hereditary disorder in Caucasians. The gold standard for laboratory diagnosis of AATD is thin-layer isoelectrofocusing (IEF), which is labor intensive and should be performed in reference laboratories. The aim of this study was to find an easy, fast, and cheap method for detecting alpha1-antitrypsin S and Z variants, the most frequent variants associated with AATD. The novel method herein described is based on SexAI/Hpy99IRFLP. We studied samples from 90 subjects enrolled in the Italian National Registry for AATD, previously typed by isoelectrofocusing. We found a complete agreement among our results, IEF, and genotypes obtained by standard methods. We concluded that this novel method combines efficiency, ease, swiftness, and low cost.
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