Abstract：
INTRODUCTION:Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a hereditary, progressive ischemic disease of small vessels of the brain characterized by migraine with aura (MA), recurrent subcortical ischemic episodes, cognitive decline and psychiatric disorders. CADASIL is caused by mutations in the NOTCH3 gene. We identified the NOTCH3 Y189C mutation as a genetic cause of CADASIL in a Polish family and provided its first clinical manifestation. MATERIAL AND METHODS:The study included twelve subjects from one family. The NOTCH3 mutation, APOE and MTHFR polymorphisms were determined by high-resolution melting analyses (HRMA) and Sanger sequencing. Neuroimaging included CT and MRI. Ultrastructural examination of skin-muscle biopsy material of the proband was performed. RESULTS:The NOTCH3 Y189C mutation was present in a 36-year-old woman and her two sisters (aged 40 and 27) from 6 siblings. The MA was found in all of them, and started or became more severe after childbirth. The numerous T2/FLAIR hyperintense lesions were shown in the brain MRI. The deposition of granular osmiophilic material in the wall of small vessels of the proband observed in histopathological analysis confirmed the high degree of CADASIL severity. CONCLUSIONS:Patients with the Y189C mutation of NOTCH3 from the same family display a similar phenotype of CADASIL.
journal_name
Folia Neuropatholjournal_title
Folia neuropathologicaauthors
Dorszewska J,Kowalska M,Grzegorski T,Dziewulska D,Karmelita-Katulska K,Barciszewska AM,Prendecki M,Gorczyński W,Kozubski Wdoi
10.5114/fn.2020.94009subject
Has Abstractpub_date
2020-01-01 00:00:00pages
83-92issue
1eissn
1641-4640issn
1509-572Xpii
40224journal_volume
58pub_type
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