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In Vivo Post-Transcriptional Gene Silencing Of Alpha-1 Antitrypsin By Adeno-Associated Virus Vectors Expressing Sirna, Pedro Cruz, Christian Mueller, Travis Cossette, Alexandra Golant, Qiushi Tang, Stuart Beattie, Mark Brantly, Martha Campbell-Thompson, Keith Blomenkamp, Jeffrey Teckman, Terence Flotte
In Vivo Post-Transcriptional Gene Silencing Of Alpha-1 Antitrypsin By Adeno-Associated Virus Vectors Expressing Sirna, Pedro Cruz, Christian Mueller, Travis Cossette, Alexandra Golant, Qiushi Tang, Stuart Beattie, Mark Brantly, Martha Campbell-Thompson, Keith Blomenkamp, Jeffrey Teckman, Terence Flotte
Christian Mueller
alpha-1 Antitrypsin (AAT) deficiency is one of the most common genetic diseases in North America, with a carrier frequency of approximately 4% in the US population. Homozygosity for the most common mutation (Glu342Lys, PI(*)Z) leads to the synthesis of a mutant protein, which accumulates and polymerizes within hepatocytes rather than being efficiently secreted. This lack of secretion causes severe serum deficiency predisposing to chronic lung disease. Twelve to fifteen percent of patients with PI(*)ZZ also develop liver disease, which can be severe, even in infancy. This is thought to be due to toxic effects of the accumulated mutant Z-AAT within …
The Promise Of Gene Therapy For The Treatment Of Alpha-1 Antitrypsin Deficiency, Pedro Cruz, Christian Mueller, Terence Flotte
The Promise Of Gene Therapy For The Treatment Of Alpha-1 Antitrypsin Deficiency, Pedro Cruz, Christian Mueller, Terence Flotte
Christian Mueller
In the last 13 years, three gene therapy trials for the treatment of alpha-1 antitrypsin deficiency have been conducted. The first trial delivered plasmid encoding the alpha-1 antitrypsin cDNA to the nasal epithelium using cationic liposomes. The last two trials delivered recombinant adeno-associated vectors encoding the alpha-1 antitrypsin cDNA by intramuscular injection. In this review, the progress of ongoing clinical trials and new gene therapy technologies is discussed.