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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Implementation of New Methods for Studying the Molecular Genetic Basis of the CADASIL Disease
 Hrubá, Monika ; Vlášková, Hana (advisor) ; Čáp, Michal (referee)
CADASIL is a neurodegenerative autosomal dominant hereditary disease with late onset. Main symptoms are migraines with aura, cerebral ischemic events, cognitive impairment and dementia. The disease is caused by a mutation in the NOTCH3 gene. The major mutation type changes the number of cysteine residues in the EGF-like repeats of the Notch3 protein. In Czech Republic, currently used methods for molecular genetic analysis of the CADASIL disease are Sanger sequencing and MLPA. But there are patients with CADASIL-like symptoms who were not confirmed by these methods. Therefore, the aim of this thesis was to implement transcript analysis by Sanger sequencing of cDNA PCR products and quantitative real-time PCR (qPCR) to analyze gross deletions and duplications to clarify the molecular genetic basis of the disease. By transcript analysis, the existence of the transcript variant X1 was experimentally confirmed in control samples. Moreover, the results from transcript analysis showed that non-typical missense mutation c.1725G>A (p.T575=) which does not directly change the number of cysteine residues, can cause the CADASIL disease via missplicing and subsequent causing deletion including cysteine residues. The other tested variants did not show any changes in the transcript level. The qPCR method did not...
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