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Mechanisms of serpin dysfunction in disease
Dion Kaiserman1, James C Whisstock, Phillip I Bird
1Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia. dion.kaiserman@med.monash.edu.au
Expert Reviews in Molecular Medicine
|December 13, 2006
Summary
Serpins are proteins linked by a common fold. This review covers five diseases, including antithrombin III variants, alpha1-antitrypsin mutations, neuroserpin polymerization, and maspin loss, all linked to serpin dysfunction.
Area of Science:
- Biochemistry
- Molecular Biology
- Genetics
Background:
- The serpin superfamily comprises numerous proteins across all life kingdoms.
- These proteins share a conserved tertiary structure.
- Serpin dysfunction is implicated in various human diseases.
Purpose of the Study:
- To review five distinct diseases arising from serpin dysfunction.
- To highlight the molecular mechanisms underlying these serpinopathies.
Main Methods:
- Literature review of serpin-related diseases.
- Analysis of genetic variants and their functional consequences.
- Examination of protein-protein interactions and expression levels.
Main Results:
- Antithrombin III variants exhibit impaired heparin binding.
- The alpha1-antitrypsin Pittsburgh mutation alters target proteinase specificity.
- Alpha1-antitrypsin Z mutation and neuroserpin polymerization cause cellular cytotoxicity.
- Loss of maspin expression is associated with cancer development.
Conclusions:
- Serpin dysfunction underlies a spectrum of diseases.
- Understanding these mechanisms is crucial for therapeutic development.
- Targeting serpin pathways offers potential treatment strategies.
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