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Updated: Jul 7, 2026
03:47
A Murine Model of Carotid Aneurysm Formation
Published on: September 9, 2025
Genetics of intracranial aneurysms
Ynte M Ruigrok1, Gabriel J E Rinkel
1Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Centre, Utrecht, The Netherlands.
Stroke
|February 9, 2008
Summary
Genetic research into intracranial aneurysms shows modest progress. Identifying specific genetic loci and candidate genes requires larger, more defined studies to understand aneurysm development and rupture risk.
Area of Science:
- Neurogenetics
- Vascular Biology
- Genomics
Background:
- Intracranial aneurysms (IAs) are complex vascular diseases with suspected genetic underpinnings.
- Understanding the genetic architecture of IAs is crucial for diagnosis and treatment.
Purpose of the Study:
- To review current knowledge on the genetic determinants of intracranial aneurysms.
- To identify limitations and suggest future research directions in the field.
Main Methods:
- Comprehensive literature search for genome-wide linkage studies in families with IAs.
- Critical appraisal of identified studies and synthesis of findings.
- Personal perspective on study limitations and future research avenues.
Main Results:
- Ten genome-wide linkage studies identified several loci associated with IAs.
- Four loci (1p34.3-p36.13, 7q11, 19q13.3, Xp22) were replicated across different populations.
- Associations were found between specific loci and candidate genes, including perlecan, elastin, and collagen type 1 A2.
Conclusions:
- Progress in identifying genetic determinants for IAs has been modest due to study limitations and disease complexity.
- Future research requires stricter definitions for familial IAs, reduced phenotypic heterogeneity, and consideration of risk factors.
- Investigating genetic determinants for IA rupture is essential for developing preventive strategies.
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