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CADASIL in Arabs: clinical and genetic findings

BMC Medical Genetics. 2007;8(1):67 DOI 10.1186/1471-2350-8-67


Journal Homepage

Journal Title: BMC Medical Genetics

ISSN: 1471-2350 (Online)

Publisher: BMC

LCC Subject Category: Medicine: Internal medicine | Science: Biology (General): Genetics

Country of publisher: United Kingdom

Language of fulltext: English

Full-text formats available: PDF, HTML



AlSous M Walid

AlKhairallah Thamer

Alreshaid Abdulrahman

Edris Abdulrahman

Al Shubili Asmahan

Bohlega Saeed

Farah Samir

Abu-Amero Khaled K


Open peer review

Editorial Board

Instructions for authors

Time From Submission to Publication: 22 weeks


Abstract | Full Text

<p>Abstract</p> <p>Background</p> <p>Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is increasingly recognized as an inherited arterial disease leading to a step-wise decline and eventually to dementia. CADASIL is caused by mutations in <it>NOTCH3 </it>epidermal growth factor-like repeat that maps to chromosome 19. CADASIL cases have been identified in most countries of Western and Central Europe, the Americas, Japan, Australia, the Caribbean, South America, Tanzania, Turkey, South Africa and Southeast Asia, but not in Arabs.</p> <p>Methods</p> <p>We studied three families from Saudi Arabia (Family A), Kuwait (Family B) and Yemen (Family C) with 19 individuals affected by CADASIL.</p> <p>Results</p> <p>The mean age of onset was 31 ± 6 and the clinical presentation included stroke in 68%, subcortical dementia in 17% and asymptomatic leukoariosis detected by MRI in 15%. Migraine and depression were frequently associated, 38% and 68% respectively. The mean age of death was 56 ± 11. All <it>NOTCH3 </it>exons were screened for mutations, which revealed the presence of previously reported mutations c.406C>T (p.Arg110>Cys) in two families (family A&B) and c.475C>T (p.Arg133>Cys) mutation in family C.</p> <p>Conclusion</p> <p>CADASIL occurs in Arabs, with clinical phenotype and genotype similar to that in other ethnic groups.</p>