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dc.contributorMorić, Ivana
dc.contributorĐorđević, Valentina
dc.creatorAnđelković, Marina
dc.creatorKlaassen, Kristel
dc.creatorSkakić, Anita
dc.creatorMarjanović, Irena
dc.creatorKravljanac, Ružica
dc.creatorĐorđević, Maja
dc.creatorVučetić Tadić, Biljana
dc.creatorKecman Božica
dc.creatorPavlović, Sonja
dc.creatorStojiljković, Maja
dc.date.accessioned2024-07-24T22:04:40Z
dc.date.available2024-07-24T22:04:40Z
dc.date.issued2024
dc.identifier.isbn978-86-82679-16-5
dc.identifier.uriwww.belbi.bg.ac.rs
dc.identifier.urihttps://imagine.imgge.bg.ac.rs/handle/123456789/2471
dc.description.abstractChildhood epilepsies are caused by heterogeneous underlying disorders where approximately 40% of the origins of epilepsy can be attributed to genetic factors. The application of next-generation sequencing (NGS) has revolutionized molecular diagnostics and has enabled identification of disease-causing genes and variants in epilepsies. In our study, 55 children with epilepsy of unknown etiology were analyzed combining clinical-exome (CES) and whole-exome sequencing (WES). Novel variants were characterized using various in silico algorithms for pathogenicity and structure prediction. Molecular genetic cause of epilepsy was identified in 28 patients and the overall diagnostic success rate was 50.9%. We identified variants in 22 different genes associated with epilepsy that correlate well with the described phenotype. SCN1A gene variants were found in 5 unrelated patients, while ALDH7A1 and KCNQ2 gene variants were found twice. In the other 19 genes, variants were found only in a single patient. This includes genes: ASH1L, CSNK2B RHOBTB2 and SLC13A5, which have only recently been associated with epilepsy. Almost half of diagnosed patients (46.4%) carried novel variants. Interestingly, identification of variants in ALDH7A1, KCNQ2, PNPO, SCN1A and SCN2A gene directed therapy decision of 11 children from our study, including four children who all carry novel SCN1A genetic variants. Our study emphasizes the importance of NGS in diagnosing childhood epilepsy. With an increasing number of genes associated with epilepsy, comprehensive analysis using CES and WES is crucial for high diagnostic success. Given the expansion of molecular-based approaches, each newly identified genetic variant could become a potential therapeutic target.sr
dc.language.isoensr
dc.publisherBelgrade : Institute of molecular genetics and genetic engineeringsr
dc.relationinfo:eu-repo/grantAgreement/MESTD/inst-2020/200042/RS//sr
dc.rightsopenAccesssr
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.source5th Belgrade Bioinformatics Conferencesr
dc.subjectchildhood epilepsysr
dc.subjectmonogenic diseasesr
dc.subjectCESsr
dc.subjectWESsr
dc.subjectnovel genetic variantssr
dc.titleMolecular genetic basis of childhood epilepsy in Serbia: utility of clinical and whole exome sequencingsr
dc.typeconferenceObjectsr
dc.rights.licenseBY-NC-NDsr
dc.rights.holder© 2024 Institute of Molecular Genetics and Genetic Engineering, University of Belgradesr
dc.citation.epage113
dc.citation.spage113
dc.description.otherBook of abstracts: 5th Belgrade Bioinformatics Conference, Serbia, Belgrade,17-20 june 2024.sr
dc.identifier.fulltexthttps://imagine.imgge.bg.ac.rs/bitstream/id/845722/BelBi2024-Book-of-Abstracts_1-16,129,141-142.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_imagine_2471
dc.type.versionpublishedVersionsr


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