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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-14528

Revencu, N; Boon, L M; Mulliken, J B; Enjolras, O; Cordisco, M R; Burrows, P E; Clapuyt, P; Hammer, F; Dubois, J; Baselga, E; Brancati, F; Carder, R; Quintal, J M C; Dallapiccola, B; Fischer, G; Frieden, I J; Garzon, M; Harper, J; Johnson-Patel, J; Labrèze, C; Martorell, L; Paltiel, H J; Pohl, A; Prendiville, J; Quere, I; Siegel, D H; Valente, E M; Van Hagen, A; Van Hest, L; Vaux, K K; Vicente, A; Weibel, L; Chitayat, D; Vikkula, M (2008). Parkes Weber syndrome, vein of Galen aneurysmal malformation, and other fast-flow vascular anomalies are caused by RASA1 mutations. Human Mutation, 29(7):959-965.

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Abstract

Capillary malformation-arteriovenous malformation (CM-AVM) is a newly recognized autosomal dominant disorder, caused by mutations in the RASA1 gene in six families. Here we report 42 novel RASA1 mutations and the associated phenotype in 44 families. The penetrance and de novo occurrence were high. All affected individuals presented multifocal capillary malformations (CMs), which represent the hallmark of the disorder. Importantly, one-third had fast-flow vascular lesions. Among them, we observed severe intracranial AVMs, including vein of Galen aneurysmal malformation, which were symptomatic at birth or during infancy, extracranial AVM of the face and extremities, and Parkes Weber syndrome (PKWS), previously considered sporadic and nongenetic. These fast-flow lesions can be differed from the other two genetic AVMs seen in hereditary hemorrhagic telangiectasia (HHT) and in phosphatase and tensin homolog (PTEN) hamartomatous tumor syndrome. Finally, some CM-AVM patients had neural tumors reminiscent of neurofibromatosis type 1 or 2. This is the first extensive study on the phenotypes associated with RASA1 mutations, and unravels their wide heterogeneity.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Dermatology Clinic
DDC:610 Medicine & health
Language:English
Date:July 2008
Deposited On:27 Feb 2009 10:13
Last Modified:27 Nov 2013 21:32
Publisher:Wiley-Blackwell
ISSN:1059-7794
Additional Information:The attached file is a preprint (accepted version) of an article published in [Human Mutation, 2008; 29(7):959-965].
Publisher DOI:10.1002/humu.20746
PubMed ID:18446851

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