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Am J Hum Genet. 2002 Jun;70(6):1564-7. Epub 2002 Apr 8.

Krit1 missense mutations lead to splicing errors in cerebral cavernous malformation.

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1
Center for Research in Neurosciences, Montreal General Hospital, McGill University, 1650 Cedar Avenue, Montreal, Quebec, H3G 1A4, Canada.

Abstract

At least 40% of families affected with cerebral cavernous malformation have a mutation in Krit1. We previously identified two point mutations in Krit1 leading to changes in amino acids (D137G and Q210E) in two different families. Further RNA analysis reveals that both point mutations actually activate cryptic splice-donor sites, causing aberrant splicing and leading to a frameshift and protein truncation. To date, no simple missense mutations have been detected in Krit1.

PMID:
11941540
PMCID:
PMC379143
DOI:
10.1086/340604
[Indexed for MEDLINE]
Free PMC Article
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