Journal
ANNALS OF NEUROLOGY
Volume 62, Issue 2, Pages 177-184Publisher
WILEY-LISS
DOI: 10.1002/ana.21191
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Objective: Several hereditary ischemic small-vessel diseases of the brain have been reported during the last decade. Some of them have ophthalmological, mainly retinal, manifestations. Herein, we report on a family affected by vascular leukoencephalopathy and variable abnormalities of the anterior chamber of the eye. Methods: After the occurrence of a small, deep infarct associated with white matter lesions in a patient with a medical history of congenital cataract and amblyopia, we conducted clinical and neuroradiological investigations in 10 of her relatives. Results: Diffuse leukoencephalopathy associated with ocular malformations of the Axenfeld-Rieger type was observed in five individuals. Familial genetic analyses led to the identification of a novel missense mutation in the COL4A1 gene, P.G720D, which cosegregates with the disease. Interpretation: Our data corroborate previous observations demonstrating the role of COL4A1 in cerebral microangiopathy and expand the phenotypic spectrum associated with mutations in this gene. We delineate a novel association between the Axenfeld-Rieger anomaly and leukoencephalopathy and stroke.
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