Type : Phenotype or locus, molecular basis unknown;
Alternative titles and symbols : AAA; Abdominal aortic aneurysm; Aneurysm, abdominal aortic;
Description : One locus for abdominal aortic aneurysm (AAA1) maps to chromosome 19q13. Abdominal
aortic aneurysm is a multifactorial disorder with multiple genetic and environmental
risk factors. The disorder may occur as part of a heritable syndrome or in isolation
(summary by Kuivaniemi et al., 2003). - Genetic Heterogeneity of Abdominal Aortic
Aneurysm Other mapped loci for abdominal aortic aneurysm include AAA2 (609782) on
chromosome 4q31; AAA3 (611891) on chromosome 9p21; and AAA4 (614375) on chromosome
12q13.3.;
Inheritance : Autosomal dominant vs. recessive at an autosomal major locus or multifactorial; COL3A1 gene (120180.0004) mutations cause about 2%;