PassMedicine Respiratory Medicine – Alpha-1 Antitrypsin Deficiency (A1AD) Genotypes (2024) PassMedicine

Description

This educational content analyzes Alpha-1 Antitrypsin Deficiency (A1AD), a genetic disorder resulting in a lack of protease inhibitor (Pi) production. It discusses the genetic basis, classifying alleles (M, S, Z) and genotypes (PiMM, PiMZ, PiZZ, PiSZ, PiFZ), and the resulting clinical manifestations, primarily emphysema and liver impairment. It details the significance of carrier status, such as the PiMZ genotype.