Combined Analysis of Linkage and Whole Exome Sequencing Reveals Cic as a Candidate Gene for Isolated Dystonia (original) (raw)
2021, İstanbul Tıp Fakültesi Dergisi
Objective: To explore the underlying genetic variations and mechanisms in a family affected by isolated dystonia. Material and Method: We employed whole genome Single Nucleotide Polymorphism (SNP) based linkage analysis along with whole exome sequencing (WES) in a consanguineous family presenting with isolated dystonia. An in-house pipeline compiled for WES analysis along with in-depth in silico prediction algorithms were used to assess the associated data produced in this study. Sanger sequencing was used for variant confirmation and segregation. Results: Data analysis included locus oriented WES variant prioritization and cryptic splicing predictions. We detected a homozygous and synonymous variation rs748449895 (NM_015125.4: c.4143C>T; p.(Thr1381=)) in the capicua transcriptional repressor, CIC. This variation disrupts the YB-1 RNA recognition motif and creates an alternative SRp20 RNA recognition motif. Conclusion: The resulting variant might cause the dystonia phenotype by ...
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