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 expressionDe novo MYH9 mutation in congenital scalp hemangioma
Fomchenko EI, Duran D, Jin SC, Dong W, Erson-Omay EZ, Antwi P, Allocco A, Gaillard JR, Huttner A, Gunel M, DiLuna ML, Kahle KT. De novo MYH9 mutation in congenital scalp hemangioma. Molecular Case Studies 2018, 4: a002998. PMID: 29903892, PMCID: PMC6071566, DOI: 10.1101/mcs.a002998.Peer-Reviewed Original Research
2016
Impaired Amino Acid Transport at the Blood Brain Barrier Is a Cause of Autism Spectrum Disorder
Tărlungeanu DC, Deliu E, Dotter CP, Kara M, Janiesch PC, Scalise M, Galluccio M, Tesulov M, Morelli E, Sonmez FM, Bilguvar K, Ohgaki R, Kanai Y, Johansen A, Esharif S, Ben-Omran T, Topcu M, Schlessinger A, Indiveri C, Duncan KE, Caglayan AO, Gunel M, Gleeson JG, Novarino G. Impaired Amino Acid Transport at the Blood Brain Barrier Is a Cause of Autism Spectrum Disorder. Cell 2016, 167: 1481-1494.e18. PMID: 27912058, PMCID: PMC5554935, DOI: 10.1016/j.cell.2016.11.013.Peer-Reviewed Original ResearchConceptsBlood-brain barrierBrain barrierBrain amino acid profilesLarge neutral amino acid transporterAutism spectrum disorderAdult mutant miceBranched-chain amino acid (BCAA) catabolic pathwaySevere neurological abnormalitiesNeutral amino acid transporterIntracerebroventricular administrationNeurological syndromeNeurological abnormalitiesNeurological conditionsSpectrum disorderSLC7A5 geneMotor delayAmino acid transportAmino acid transportersMutant miceNormal levelsBrain functionHuman brain functionEndothelial cellsHomozygous mutationCauses of ASDACOX2 deficiency: A disorder of bile acid synthesis with transaminase elevation, liver fibrosis, ataxia, and cognitive impairment
Vilarinho S, Sari S, Mazzacuva F, Bilgüvar K, Esendagli-Yilmaz G, Jain D, Akyol G, Dalgiç B, Günel M, Clayton PT, Lifton RP. ACOX2 deficiency: A disorder of bile acid synthesis with transaminase elevation, liver fibrosis, ataxia, and cognitive impairment. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: 11289-11293. PMID: 27647924, PMCID: PMC5056113, DOI: 10.1073/pnas.1613228113.Peer-Reviewed Original ResearchConceptsAcyl-CoA oxidase 2Liver fibrosisCognitive impairmentElevated transaminase levelsTreatable inborn errorsBile acid synthesisBile acid intermediatesBile acid biosynthesisTransaminase elevationTransaminase levelsMarked elevationMild ataxiaBile acidsPatient's liverOxidase 2Acyl-CoA oxidaseOld maleBranched chain acyl-CoA oxidaseInborn errorsExome sequencingPremature termination mutationsBranched-chain fatty acidsFibrosisAtaxiaLiverBiallelic 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
2009
COL4A1 Mutation in Preterm Intraventricular Hemorrhage
Bilguvar K, DiLuna ML, Bizzarro MJ, Bayri Y, Schneider KC, Lifton RP, Gunel M, Ment LR. COL4A1 Mutation in Preterm Intraventricular Hemorrhage. The Journal Of Pediatrics 2009, 155: 743-745. PMID: 19840616, PMCID: PMC2884156, DOI: 10.1016/j.jpeds.2009.04.014.Peer-Reviewed Original ResearchMeSH KeywordsCerebral HemorrhageCollagen Type IVDiseases in TwinsFemaleFollow-Up StudiesGene Expression Regulation, DevelopmentalGenetic Predisposition to DiseaseGestational AgeHumansInfant, NewbornInfant, PrematureInfant, Premature, DiseasesMaleMutationPregnancyTwins, DizygoticUltrasonography, Doppler, TranscranialConceptsIntraventricular hemorrhageCerebral small vessel diseasePreterm Intraventricular HemorrhageSmall vessel diseaseSpectrum of diseaseCommon complicationPreterm infantsPreterm twinsVessel diseaseCOL4A1 mutationsHemorrhageRare variantsDiseaseType IV procollagenCOL4A1MutationsComplicationsInfantsFetuses