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Genetics of cerebral cavernous malformations.
Nicholas W Plummer1, Jon S Zawistowski, Douglas A Marchuk
1Department of Molecular Genetics and Microbiology, Duke University Medical Center, Box 3175, Durham, NC 27710, USA.
Current Neurology and Neuroscience Reports
|September 1, 2005
Summary
Recent advances in cerebral cavernous malformations (CCM) genetics reveal roles for CCM1, CCM2, and CCM3 genes in angiogenesis regulation. A mouse model highlights Ccm1
Area of Science:
- Genetics and Molecular Biology
- Vascular Biology
- Developmental Biology
Background:
- Cerebral cavernous malformations (CCM) are vascular anomalies with increasing genetic understanding.
- Autosomal dominant forms are linked to mutations in CCM1, CCM2, and CCM3 genes.
Purpose of the Study:
- To summarize recent genetic discoveries in CCM.
- To explore the roles of CCM genes in angiogenesis and arterial development.
Main Methods:
- Gene cloning and characterization.
- Generation and analysis of a Ccm1 knockout mouse model.
Main Results:
- Cloning of CCM1, CCM2, and CCM3 genes responsible for autosomal dominant CCM.
- Hypotheses proposed for their roles in integrin and p38 MAPK-mediated angiogenesis.
- Mouse model indicates Ccm1 protein's role in arterial development.
Conclusions:
- CCM genetics and molecular pathways are rapidly advancing.
- Integration of data from CCM1, CCM2, and CCM3 is key to understanding CCM pathogenesis.