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Lung Fixation under Constant Pressure for Evaluation of Emphysema in Mice
Published on: September 26, 2019
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The alpha 1-antitrypsin gene and emphysema.
1Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri 63110.
The American Journal of Physiology
|October 1, 1989
Summary
Alpha-1 antitrypsin (alpha 1-AT) deficiency increases emphysema risk. This review covers the alpha 1-AT gene, its role in inhibiting neutrophil elastase, and implications for lung injury pathogenesis and treatment.
Area of Science:
- Pulmonary Medicine
- Genetics
- Biochemistry
Background:
- Alpha-1 antitrypsin (alpha 1-AT) is a key inhibitor of neutrophil elastase, an enzyme implicated in lung tissue damage.
- Alpha-1 AT deficiency is linked to premature emphysema development, highlighting its critical role in lung health.
- Understanding alpha 1-AT function is crucial for research into emphysema pathogenesis.
Purpose of the Study:
- To review recent literature on the alpha 1-AT gene and its relation to the serpin supergene family.
- To discuss the biosynthesis of alpha 1-AT and its regulation by neutrophil elastase.
- To explore factors affecting alpha 1-AT activity in biological fluids and its role in lung injury.
Main Methods:
- Literature review of scientific articles on alpha 1-AT, serpins, and emphysema.
- Analysis of research on alpha 1-AT gene, its regulation, and interactions.
- Synthesis of information on pathogenesis, clinical manifestations, and treatment of alpha 1-AT deficiency.
Main Results:
- Alpha 1-AT's function is closely tied to its gene and interactions within the serpin family.
- Alpha 1-AT biosynthesis is regulated by the balance of neutrophil elastase and alpha 1-AT at inflammatory sites.
- Functional activity of alpha 1-AT is influenced by interactions with various biological molecules and oxidants.
Conclusions:
- Alpha 1-AT deficiency variants are associated with specific lung injury patterns.
- Understanding alpha 1-AT's complex regulation and interactions is vital for managing emphysema.
- Further research into alpha 1-AT is essential for developing effective treatments for lung diseases.
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