2022
Severe Phenotype in Patients with X-linked Hydrocephalus Caused by a Missense Mutation in L1CAM
Tuysuz B, Department of Pediatric Genetics I, Sencicek A, Ozer E, Goc N, Yalcinkaya C, Bilguvar K, Department of Neurosurgery P, Department of Neurology I. Severe Phenotype in Patients with X-linked Hydrocephalus Caused by a Missense Mutation in L1CAM. Turkish Archives Of Pediatrics 2022, 57: 521-525. PMID: 35950747, PMCID: PMC9524456, DOI: 10.5152/turkarchpediatr.2022.22070.Peer-Reviewed Original ResearchWhole-exome sequencingL1 syndromeSevere phenotypeMissense mutationsHemizygous missense mutationClinical characteristicsDifferential diagnosisIndex patientsPatientsCarrier mothersPathogenic missense mutationsMale childrenL1CAM mutationsPathogenic variantsMild formHydrocephalusSpeech delaySyndromeExon 18Truncating mutationsGenetic etiologyIntellectual disabilityL1CAML1CAM geneFamily members
2016
Biallelic Mutations in Citron Kinase Link Mitotic Cytokinesis to Human Primary Microcephaly
Li H, Bielas SL, Zaki MS, Ismail S, Farfara D, Um K, Rosti RO, Scott EC, Tu S, C. NC, Gabriel S, Erson-Omay EZ, Ercan-Sencicek AG, Yasuno K, Çağlayan AO, Kaymakçalan H, Ekici B, Bilguvar K, Gunel M, Gleeson JG. Biallelic Mutations in Citron Kinase Link Mitotic Cytokinesis to Human Primary Microcephaly. American Journal Of Human Genetics 2016, 99: 501-510. PMID: 27453578, PMCID: PMC4974110, DOI: 10.1016/j.ajhg.2016.07.004.Peer-Reviewed Original ResearchConceptsInduced pluripotent stem cellsPrimary microcephalyHuman primary microcephalyAutosomal recessive primary microcephalyNon-progressive intellectual disabilityAmino acid residuesPluripotent stem cellsMitotic cytokinesisCellular functionsGenome editingCell divisionKinase domainAbnormal cytokinesisCRISPR/Homozygous missense mutationCytokinesisKinase activityMultipolar spindlesNeural progenitorsAcid residuesFunction mutationsMissense mutationsStem cellsMultiple rolesMutations
2015
Mutation in <i>GM2A</i> Leads to a Progressive Chorea-dementia Syndrome
Salih M, Seidahmed M, Khashab H, Hamad M, Bosley T, Burn S, Myers A, Landsverk M, Crotwell P, Bilguvar K, Mane S, Kruer M. Mutation in GM2A Leads to a Progressive Chorea-dementia Syndrome. Tremor And Other Hyperkinetic Movements 2015, 5: 306. DOI: 10.5334/tohm.246.Peer-Reviewed Original ResearchMacular cherry-red spotsChildhood-onset choreaCherry-red spotWhole-exome sequencingMacular findingsProgressive choreaIntractable seizuresHomozygous missense mutationNeurodegenerative courseProfound hypotoniaRare formVolitional movementPhenotypic spectrumChoreaExome sequencingGM2 gangliosidosisHyperacusisPatientsSaudi familyNeurodegenerative disease genesMissense mutationsGangliosidosisHomozygosity mappingVariant phenotypesMutations
2013
Recessive loss of function of the neuronal ubiquitin hydrolase UCHL1 leads to early-onset progressive neurodegeneration
Bilguvar K, Tyagi NK, Ozkara C, Tuysuz B, Bakircioglu M, Choi M, Delil S, Caglayan AO, Baranoski JF, Erturk O, Yalcinkaya C, Karacorlu M, Dincer A, Johnson MH, Mane S, Chandra SS, Louvi A, Boggon TJ, Lifton RP, Horwich AL, Gunel M. Recessive loss of function of the neuronal ubiquitin hydrolase UCHL1 leads to early-onset progressive neurodegeneration. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 3489-3494. PMID: 23359680, PMCID: PMC3587195, DOI: 10.1073/pnas.1222732110.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge of OnsetAmino Acid SequenceBase SequenceChild, PreschoolExomeFemaleGenes, RecessiveHomozygoteHumansHydrolysisMaleModels, MolecularMolecular Sequence DataMutation, MissenseNerve DegenerationNeuronsPedigreeProtein BindingSequence Analysis, DNASubstrate SpecificitySyndromeThermodynamicsUbiquitinUbiquitin ThiolesteraseConceptsUbiquitin C-terminal hydrolase L1Upper motor neuron dysfunctionMotor neuron dysfunctionProgressive neurodegenerative syndromeEarly-onset progressive neurodegenerationChildhood-onset blindnessWhole-exome sequencingNeuron dysfunctionHomozygous missense mutationIndex caseNervous systemProgressive neurodegenerationNeurodegenerative syndromeCerebellar ataxiaHydrolase activityNear complete lossComplete lossAffected individualsConsanguineous unionsMissense mutationsRecessive lossHomozygosity mappingProper positioningReduced affinitySpasticity
2011
Homozygosity mapping and targeted genomic sequencing reveal the gene responsible for cerebellar hypoplasia and quadrupedal locomotion in a consanguineous kindred
Gulsuner S, Tekinay AB, Doerschner K, Boyaci H, Bilguvar K, Unal H, Ors A, Onat OE, Atalar E, Basak AN, Topaloglu H, Kansu T, Tan M, Tan U, Gunel M, Ozcelik T. Homozygosity mapping and targeted genomic sequencing reveal the gene responsible for cerebellar hypoplasia and quadrupedal locomotion in a consanguineous kindred. Genome Research 2011, 21: 1995-2003. PMID: 21885617, PMCID: PMC3227090, DOI: 10.1101/gr.126110.111.Peer-Reviewed Original ResearchConceptsBeta-propeller domainPrivate missense mutationsLarge consanguineous familyThird geneBEACH domainTransmembrane proteinHomozygous regionsHomozygosity mappingGenomic sequencingWDR81Chromosome 17p13.1Missense mutationsQuadrupedal locomotionConsanguineous familyTargeted sequencingGenesSequencingRare phenotypeMorphological abnormalitiesBiological basisMutationsAffected individualsCell layerParticular atrophyFamily