2022
Mutation spectrum of congenital heart disease in a consanguineous Turkish population
Dong W, Kaymakcalan H, Jin SC, Diab NS, Tanıdır C, Yalcin ASY, Ercan‐Sencicek A, Mane S, Gunel M, Lifton RP, Bilguvar K, Brueckner M. Mutation spectrum of congenital heart disease in a consanguineous Turkish population. Molecular Genetics & Genomic Medicine 2022, 10: e1944. PMID: 35481623, PMCID: PMC9184665, DOI: 10.1002/mgg3.1944.Peer-Reviewed Original ResearchConceptsWhole-exome sequencingLaterality defectsUnique genetic architectureCongenital heart diseaseConsanguineous familyGenetic architectureCausal genesCHD genesGenome analysisHomozygous variantGenetic landscapeGenetic lesionsGenomic alterationsHeart diseaseConsanguineous populationFunction variantsRecessive variantsCHD probandsGenesType of CHDMutation spectrumStructural congenital heart diseaseVariantsCHD subjectsAdditional patients
2021
The genetic structure of the Turkish population reveals high levels of variation and admixture
Kars ME, Başak AN, Onat OE, Bilguvar K, Choi J, Itan Y, Çağlar C, Palvadeau R, Casanova JL, Cooper DN, Stenson PD, Yavuz A, Buluş H, Günel M, Friedman JM, Özçelik T. The genetic structure of the Turkish population reveals high levels of variation and admixture. Proceedings Of The National Academy Of Sciences Of The United States Of America 2021, 118: e2026076118. PMID: 34426522, PMCID: PMC8433500, DOI: 10.1073/pnas.2026076118.Peer-Reviewed Original ResearchConceptsGenetic structureTR populationGenome-wide association studiesRuns of homozygosityGenomes Project populationsHigh inbreeding coefficientsDisease gene discoveryHigh-quality haplotypesPotential medical relevanceGene discoveryExtensive admixturePhenotypic consequencesWhole genomeGenetic basisInbreeding coefficientSpecific genesRare rangeGenome variantsAssociation studiesGenetic relationshipsFunctional consequencesWhole exomeSpecific phenotypesGenotype imputationMedical relevance
2018
MAB21L1 loss of function causes a syndromic neurodevelopmental disorder with distinctive cerebellar, ocular, craniofacial and genital features (COFG syndrome)
Rad A, Altunoglu U, Miller R, Maroofian R, James KN, Çağlayan AO, Najafi M, Stanley V, Boustany RM, Yeşil G, Sahebzamani A, Ercan-Sencicek G, Saeidi K, Wu K, Bauer P, Bakey Z, Gleeson JG, Hauser N, Gunel M, Kayserili H, Schmidts M. MAB21L1 loss of function causes a syndromic neurodevelopmental disorder with distinctive cerebellar, ocular, craniofacial and genital features (COFG syndrome). Journal Of Medical Genetics 2018, 56: 332. PMID: 30487245, PMCID: PMC6581149, DOI: 10.1136/jmedgenet-2018-105623.Peer-Reviewed Original ResearchMeSH KeywordsAbnormalities, MultipleBrainChildChild, PreschoolConsanguinityExome SequencingFaciesFemaleGenetic Association StudiesGenetic Predisposition to DiseaseHomeodomain ProteinsHomozygoteHumansInfantLoss of Function MutationMagnetic Resonance ImagingMaleModels, MolecularNeurodevelopmental DisordersPedigreePhenotypePolymorphism, Single NucleotideProtein ConformationSyndromeConceptsScrotal agenesisCerebellar hypoplasiaCharacteristic facial gestaltHomozygous truncating variantConsanguineous familyUnrelated consanguineous familiesOphthalmological anomaliesSyndromic neurodevelopmental disorderCardinal featuresCerebello-oculoCorneal dystrophyLabioscrotal foldsTruncating variantsFunction variantsFacial gestaltExome sequencingSyndromeSimilar phenotypic featuresGenetic causeFacial dysmorphismNeurodevelopmental disordersMissense variantsVariable microcephalyNeurodevelopmental syndromeAffected individuals
2017
Disruptions in asymmetric centrosome inheritance and WDR62-Aurora kinase B interactions in primary microcephaly
Sgourdou P, Mishra-Gorur K, Saotome I, Henagariu O, Tuysuz B, Campos C, Ishigame K, Giannikou K, Quon JL, Sestan N, Caglayan AO, Gunel M, Louvi A. Disruptions in asymmetric centrosome inheritance and WDR62-Aurora kinase B interactions in primary microcephaly. Scientific Reports 2017, 7: 43708. PMID: 28272472, PMCID: PMC5341122, DOI: 10.1038/srep43708.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAurora Kinase BBrainCell CycleCell Cycle ProteinsCell DifferentiationCell ProliferationCentrosomeConsanguinityDisease Models, AnimalEpistasis, GeneticFluorescent Antibody TechniqueGene ExpressionHumansInheritance PatternsMaleMiceMice, KnockoutMicrocephalyMutationNerve Tissue ProteinsNeural Stem CellsPedigreeWhole Genome SequencingConceptsChromosome passenger complexPatient-derived fibroblastsCentrosome inheritanceNeocortical progenitorsDisease-associated mutant formsSpindle pole localizationAurora kinase BPassenger complexMitotic progressionMouse orthologDiverse functionsMutant formsWD repeat domain 62Key regulatorCPC componentsKinase BPole localizationPrimary microcephalyLate neurogenesisRecessive mutationsNeuronal differentiationWDR62Severe brain malformationsReduced proliferationNeocortical development
2015
Inactivating mutations in MFSD2A, required for omega-3 fatty acid transport in brain, cause a lethal microcephaly syndrome
Guemez-Gamboa A, Nguyen LN, Yang H, Zaki MS, Kara M, Ben-Omran T, Akizu N, Rosti RO, Rosti B, Scott E, Schroth J, Copeland B, Vaux KK, Cazenave-Gassiot A, Quek DQ, Wong BH, Tan BC, Wenk MR, Gunel M, Gabriel S, Chi NC, Silver DL, Gleeson JG. Inactivating mutations in MFSD2A, required for omega-3 fatty acid transport in brain, cause a lethal microcephaly syndrome. Nature Genetics 2015, 47: 809-813. PMID: 26005868, PMCID: PMC4547531, DOI: 10.1038/ng.3311.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAnimalsBiological TransportBlood-Brain BarrierBrainCase-Control StudiesChildChild, PreschoolConsanguinityFatty Acids, Omega-3FemaleGenes, LethalGenetic Association StudiesHEK293 CellsHumansInfantMaleMice, KnockoutMicrocephalyMutation, MissenseSymportersSyndromeTumor Suppressor ProteinsZebrafish
2011
Recessive LAMC3 mutations cause malformations of occipital cortical development
Barak T, Kwan KY, Louvi A, Demirbilek V, Saygı S, Tüysüz B, Choi M, Boyacı H, Doerschner K, Zhu Y, Kaymakçalan H, Yılmaz S, Bakırcıoğlu M, Çağlayan A, Öztürk A, Yasuno K, Brunken WJ, Atalar E, Yalçınkaya C, Dinçer A, Bronen RA, Mane S, Özçelik T, Lifton RP, Šestan N, Bilgüvar K, Günel M. Recessive LAMC3 mutations cause malformations of occipital cortical development. Nature Genetics 2011, 43: 590-594. PMID: 21572413, PMCID: PMC3329933, DOI: 10.1038/ng.836.Peer-Reviewed Original Research
2010
Novel VLDLR microdeletion identified in two Turkish siblings with pachygyria and pontocerebellar atrophy
Kolb LE, Arlier Z, Yalcinkaya C, Ozturk AK, Moliterno JA, Erturk O, Bayrakli F, Korkmaz B, DiLuna ML, Yasuno K, Bilguvar K, Ozcelik T, Tuysuz B, State MW, Gunel M. Novel VLDLR microdeletion identified in two Turkish siblings with pachygyria and pontocerebellar atrophy. Neurogenetics 2010, 11: 319-325. PMID: 20082205, DOI: 10.1007/s10048-009-0232-y.Peer-Reviewed Original ResearchConceptsCerebellar hypoplasiaMajority of patientsLow-density lipoprotein receptorConstellation of findingsNon-progressive cerebellar ataxiaDensity lipoprotein receptorAutosomal recessive patternHomozygous deletionNeurological sequelaePontocerebellar atrophyDisequilibrium syndromeTurkish familyCerebellar atrophyNovel homozygous deletionLipoprotein receptorCerebellar ataxiaHypoplasiaMotor developmentMotor disabilityTurkish siblingsRecessive patternVLDLR geneCongenital ataxiaHeterogeneous groupSingle nucleotide polymorphisms
2008
Novel NTRK1 mutations cause hereditary sensory and autonomic neuropathy type IV: demonstration of a founder mutation in the Turkish population
Tüysüz B, Bayrakli F, DiLuna ML, Bilguvar K, Bayri Y, Yalcinkaya C, Bursali A, Ozdamar E, Korkmaz B, Mason CE, Ozturk AK, Lifton RP, State MW, Gunel M. Novel NTRK1 mutations cause hereditary sensory and autonomic neuropathy type IV: demonstration of a founder mutation in the Turkish population. Neurogenetics 2008, 9: 119-125. PMID: 18322713, DOI: 10.1007/s10048-008-0121-9.Peer-Reviewed Original ResearchConceptsNeurotrophic tyrosine kinase receptor type 1Autonomic neuropathy type IVHSAN IVHereditary sensoryNTRK1 geneTurkish populationFounder mutationType IVReceptor type 1Nerve growth factorSplice site mutationAutosomal recessive disorderCongenital insensitivityNovel frameshift mutationSame splice site mutationNTRK1 mutationsNoxious stimuliType 1Motor developmentSweat glandsGrowth factorNovel nonsense mutationRecessive disorderSpectrum of mutationsAnhidrosis