2018
Loss of Protocadherin‐12 Leads to Diencephalic‐Mesencephalic Junction Dysplasia Syndrome
Guemez‐Gamboa A, Çağlayan AO, Stanley V, Gregor A, Zaki M, Saleem SN, Musaev D, McEvoy‐Venneri J, Belandres D, Akizu N, Silhavy JL, Schroth J, Rosti RO, Copeland B, Lewis SM, Fang R, Issa MY, Per H, Gumus H, Bayram AK, Kumandas S, Akgumus GT, Erson‐Omay E, Yasuno K, Bilguvar K, Heimer G, Pillar N, Shomron N, Weissglas‐Volkov D, Porat Y, Einhorn Y, Gabriel S, Ben‐Zeev B, Gunel M, Gleeson JG. Loss of Protocadherin‐12 Leads to Diencephalic‐Mesencephalic Junction Dysplasia Syndrome. Annals Of Neurology 2018, 84: 638-647. PMID: 30178464, PMCID: PMC6510237, DOI: 10.1002/ana.25327.Peer-Reviewed Original ResearchMeSH KeywordsBrain StemCadherinsChildChild, PreschoolFemaleHumansInfantInfant, NewbornMaleMutationNervous System MalformationsProtocadherinsConceptsBrainstem malformationDysplasia syndromeEndothelial cellsBiallelic mutationsAutosomal recessive malformationSuch pathogenic variantsCharacteristic clinical presentationPatient-derived induced pluripotent stem cellsWhite matter tractsAnn NeurolAppendicular spasticityBrain calcificationClinical presentationPoor outcomeAxial hypotoniaPsychomotor disabilityProgressive microcephalyTract defectsPathogenic variantsPhenotypic spectrumPatientsCraniofacial dysmorphismBrain imagingNeural precursorsProtein expressionGenotype–phenotype investigation of 35 patients from 11 unrelated families with camptodactyly–arthropathy–coxa vara–pericarditis (CACP) syndrome
Yilmaz S, Alkaya D, Kasapçopur Ö, Barut K, Akdemir ES, Celen C, Youngblood MW, Yasuno K, Bilguvar K, Günel M, Tüysüz B. Genotype–phenotype investigation of 35 patients from 11 unrelated families with camptodactyly–arthropathy–coxa vara–pericarditis (CACP) syndrome. Molecular Genetics & Genomic Medicine 2018, 6: 230-248. PMID: 29397575, PMCID: PMC5902402, DOI: 10.1002/mgg3.364.Peer-Reviewed Original ResearchConceptsCoxa vara-pericarditis (CACP) syndromeCoxa varaCommon childhood rheumatic diseaseIncreased pain levelSevere hip involvementChildhood rheumatic diseasesJuvenile idiopathic arthritisDevelopmental coxa varaRare autosomal recessive conditionYears of ageUnrelated familiesWhole-exome sequencingAutosomal recessive conditionHip involvementIdiopathic arthritisMost patientsPain levelsRadiological findingsPleural effusionJoint involvementNoninflammatory arthropathyRheumatic diseasesNovel genomic alterationsFirst symptomsCACP syndrome
2017
ALPK3 gene mutation in a patient with congenital cardiomyopathy and dysmorphic features
Çağlayan AO, Sezer RG, Kaymakçalan H, Ulgen E, Yavuz T, Baranoski JF, Bozaykut A, Harmanci AS, Yalcin Y, Youngblood MW, Yasuno K, Bilgüvar K, Gunel M. ALPK3 gene mutation in a patient with congenital cardiomyopathy and dysmorphic features. Molecular Case Studies 2017, 3: a001859. PMID: 28630369, PMCID: PMC5593152, DOI: 10.1101/mcs.a001859.Peer-Reviewed Original ResearchConceptsNovel homozygous frameshift mutationWk of gestationHomozygous pathogenic variantNovel disease-causing genesPhenotypic featuresHomozygous frameshift mutationWhole-exome sequencingHeterozygous family membersUnrelated consanguineous familiesEchocardiographic examinationDisease groupPrimary cardiomyopathyMale infantHypertrophic cardiomyopathyRoutine diagnostic toolCardiac diseaseCardiac abnormalitiesMale fetusesCardiomyopathyPathogenic variantsGenetic testingDysmorphic featuresGene mutationsPast historyDisease-causing genes
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 rolesMutationsA patient with a novel homozygous missense mutation in FTO and concomitant nonsense mutation in CETP
Çağlayan AO, Tüysüz B, Coşkun S, Quon J, Harmancı AS, Baranoski JF, Baran B, Erson-Omay EZ, Henegariu O, Mane SM, Bilgüvar K, Yasuno K, Günel M. A patient with a novel homozygous missense mutation in FTO and concomitant nonsense mutation in CETP. Journal Of Human Genetics 2016, 61: 395-403. PMID: 26740239, PMCID: PMC4880488, DOI: 10.1038/jhg.2015.160.Peer-Reviewed Original ResearchMeSH KeywordsAlpha-Ketoglutarate-Dependent Dioxygenase FTOApoptosisBiopsyChild, PreschoolCholesterol Ester Transfer ProteinsComputational BiologyConsanguinityDNA Copy Number VariationsDNA Mutational AnalysisExomeFemaleGene ExpressionGene Expression ProfilingGenetic Association StudiesGenotypeHigh-Throughput Nucleotide SequencingHomozygoteHumansMutation, MissensePhenotypeTranscriptome
2015
Somatic POLE mutations cause an ultramutated giant cell high-grade glioma subtype with better prognosis
Erson-Omay EZ, Çağlayan AO, Schultz N, Weinhold N, Omay SB, Özduman K, Köksal Y, Li J, Serin Harmancı A, Clark V, Carrión-Grant G, Baranoski J, Çağlar C, Barak T, Coşkun S, Baran B, Köse D, Sun J, Bakırcıoğlu M, Moliterno Günel J, Pamir MN, Mishra-Gorur K, Bilguvar K, Yasuno K, Vortmeyer A, Huttner AJ, Sander C, Günel M. Somatic POLE mutations cause an ultramutated giant cell high-grade glioma subtype with better prognosis. Neuro-Oncology 2015, 17: 1356-1364. PMID: 25740784, PMCID: PMC4578578, DOI: 10.1093/neuonc/nov027.Peer-Reviewed Original ResearchConceptsHigh-grade gliomasSomatic POLE mutationsPOLE mutationsMalignant high-grade gliomasLonger progression-free survivalProgression-free survivalSomatic mutationsOverall survivalPediatric patientsBetter prognosisClinical featuresImproved prognosisClinical behaviorImmune cellsBizarre cellsAggressive formGlioblastoma multiformeDisease pathophysiologyMolecular subgroupsHomozygous germline mutationGermline mutationsPrognosisGlioma subtypesComprehensive genomic analysisDistinct subgroups