Featured Publications
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
2021
Neuroinvasion of SARS-CoV-2 in human and mouse brain
Song E, Zhang C, Israelow B, Lu-Culligan A, Prado AV, Skriabine S, Lu P, Weizman OE, Liu F, Dai Y, Szigeti-Buck K, Yasumoto Y, Wang G, Castaldi C, Heltke J, Ng E, Wheeler J, Alfajaro MM, Levavasseur E, Fontes B, Ravindra NG, Van Dijk D, Mane S, Gunel M, Ring A, Kazmi SAJ, Zhang K, Wilen CB, Horvath TL, Plu I, Haik S, Thomas JL, Louvi A, Farhadian SF, Huttner A, Seilhean D, Renier N, Bilguvar K, Iwasaki A. Neuroinvasion of SARS-CoV-2 in human and mouse brain. Journal Of Experimental Medicine 2021, 218: e20202135. PMID: 33433624, PMCID: PMC7808299, DOI: 10.1084/jem.20202135.Peer-Reviewed Original ResearchConceptsSARS-CoV-2Central nervous systemSARS-CoV-2 neuroinvasionImmune cell infiltratesCOVID-19 patientsType I interferon responseMultiple organ systemsCOVID-19I interferon responseHuman brain organoidsNeuroinvasive capacityCNS infectionsCell infiltrateNeuronal infectionPathological featuresCortical neuronsRespiratory diseaseDirect infectionCerebrospinal fluidNervous systemMouse brainInterferon responseOrgan systemsHuman ACE2Infection
2018
Biallelic loss of human CTNNA2, encoding αN-catenin, leads to ARP2/3 complex overactivity and disordered cortical neuronal migration
Schaffer AE, Breuss MW, Caglayan AO, Al-Sanaa N, Al-Abdulwahed HY, Kaymakçalan H, Yılmaz C, Zaki MS, Rosti RO, Copeland B, Baek ST, Musaev D, Scott EC, Ben-Omran T, Kariminejad A, Kayserili H, Mojahedi F, Kara M, Cai N, Silhavy JL, Elsharif S, Fenercioglu E, Barshop BA, Kara B, Wang R, Stanley V, James KN, Nachnani R, Kalur A, Megahed H, Incecik F, Danda S, Alanay Y, Faqeih E, Melikishvili G, Mansour L, Miller I, Sukhudyan B, Chelly J, Dobyns WB, Bilguvar K, Jamra RA, Gunel M, Gleeson JG. Biallelic loss of human CTNNA2, encoding αN-catenin, leads to ARP2/3 complex overactivity and disordered cortical neuronal migration. Nature Genetics 2018, 50: 1093-1101. PMID: 30013181, PMCID: PMC6072555, DOI: 10.1038/s41588-018-0166-0.Peer-Reviewed Original ResearchConceptsNeuronal migrationHuman cerebral cortexCortical neuronal migrationΒ-catenin signalingCerebral cortexPotential disease mechanismsDevelopmental brain defectsBiallelic truncating mutationsNeuronal phenotypeBiallelic lossBrain defectsBiallelic mutationsTruncating mutationsDisease mechanismsΒ-cateninPachygyriaRecessive formNeurite stabilityNeuronsFamily membersCTNNA2OveractivityPatients
2016
Biallelic Mutations in TMTC3, Encoding a Transmembrane and TPR-Containing Protein, Lead to Cobblestone Lissencephaly
Jerber J, Zaki MS, Al-Aama JY, Rosti RO, Ben-Omran T, Dikoglu E, Silhavy JL, Caglar C, Musaev D, Albrecht B, Campbell KP, Willer T, Almuriekhi M, Çağlayan A, Vajsar J, Bilgüvar K, Ogur G, Jamra R, Günel M, Gleeson JG. Biallelic Mutations in TMTC3, Encoding a Transmembrane and TPR-Containing Protein, Lead to Cobblestone Lissencephaly. American Journal Of Human Genetics 2016, 99: 1181-1189. PMID: 27773428, PMCID: PMC5097947, DOI: 10.1016/j.ajhg.2016.09.007.Peer-Reviewed Original ResearchConceptsCongenital muscular dystrophyCobblestone lissencephalyOvermigration of neuronsBiallelic mutationsMuscular dystrophyTMTC3Affected individualsWalker-Warburg syndromeMembrane componentsSevere brain malformationsBasement membrane componentsFukuyama congenital muscular dystrophyMuscle creatine phosphokinaseEye defectsMutationsGenesRecessive formGenetic disordersGlial cellsMinimal eyeMuscle involvementCortical dysplasiaBrain malformationsEye anomaliesCreatine phosphokinase
2014
Exome Sequencing Links Corticospinal Motor Neuron Disease to Common Neurodegenerative Disorders
Novarino G, Fenstermaker AG, Zaki MS, Hofree M, Silhavy JL, Heiberg AD, Abdellateef M, Rosti B, Scott E, Mansour L, Masri A, Kayserili H, Al-Aama JY, Abdel-Salam GMH, Karminejad A, Kara M, Kara B, Bozorgmehri B, Ben-Omran T, Mojahedi F, Mahmoud I, Bouslam N, Bouhouche A, Benomar A, Hanein S, Raymond L, Forlani S, Mascaro M, Selim L, Shehata N, Al-Allawi N, Bindu PS, Azam M, Gunel M, Caglayan A, Bilguvar K, Tolun A, Issa MY, Schroth J, Spencer EG, Rosti RO, Akizu N, Vaux KK, Johansen A, Koh AA, Megahed H, Durr A, Brice A, Stevanin G, Gabriel SB, Ideker T, Gleeson JG. Exome Sequencing Links Corticospinal Motor Neuron Disease to Common Neurodegenerative Disorders. Science 2014, 343: 506-511. PMID: 24482476, PMCID: PMC4157572, DOI: 10.1126/science.1247363.Peer-Reviewed Original ResearchConceptsHereditary spastic paraplegiaFurther candidate genesMotor neuron diseaseNeurodegenerative disordersGene discoveryHSP genesGenetic basisCandidate genesNetwork analysisNeuron diseaseCellular transportWhole-exome sequencingNeurodegenerative motor neuron diseaseProgressive age-dependent lossAge-dependent lossGenesMechanistic understandingMotor tract functionCommon neurodegenerative disorderFraction of casesTract functionGenetic diagnosisSpastic paraplegiaGlobal viewDisease
2013
Mutations in LAMB1 Cause Cobblestone Brain Malformation without Muscular or Ocular Abnormalities
Radmanesh F, Caglayan AO, Silhavy JL, Yilmaz C, Cantagrel V, Omar T, Rosti B, Kaymakcalan H, Gabriel S, Li M, Šestan N, Bilguvar K, Dobyns WB, Zaki MS, Gunel M, Gleeson JG. Mutations in LAMB1 Cause Cobblestone Brain Malformation without Muscular or Ocular Abnormalities. American Journal Of Human Genetics 2013, 92: 468-474. PMID: 23472759, PMCID: PMC3591846, DOI: 10.1016/j.ajhg.2013.02.005.Peer-Reviewed Original ResearchConceptsBrain malformationsCongenital muscular dystrophyOcular abnormalitiesPial surfaceWhite matter signal abnormalitiesNeuronal migration disordersRadial glial cellsPial basement membraneLaminin subunit beta-1Brainstem hypoplasiaFirst cortical layerSignal abnormalitiesCerebellar dysplasiaGlial cellsMigration disordersMuscular abnormalitiesOccipital encephaloceleCortical layersBrain diseasesAbnormalitiesHomozygous deleterious mutationMalformationsBeta 1Muscular dystrophyAffected individuals
2011
The Essential Role of Centrosomal NDE1 in Human Cerebral Cortex Neurogenesis
Bakircioglu M, Carvalho OP, Khurshid M, Cox JJ, Tuysuz B, Barak T, Yilmaz S, Caglayan O, Dincer A, Nicholas AK, Quarrell O, Springell K, Karbani G, Malik S, Gannon C, Sheridan E, Crosier M, Lisgo SN, Lindsay S, Bilguvar K, Gergely F, Gunel M, Woods CG. The Essential Role of Centrosomal NDE1 in Human Cerebral Cortex Neurogenesis. American Journal Of Human Genetics 2011, 88: 523-535. PMID: 21529752, PMCID: PMC3146716, DOI: 10.1016/j.ajhg.2011.03.019.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell Cycle ProteinsCentrosomeCerebral CortexChild, PreschoolDNA Mutational AnalysisEpithelial CellsExonsFemaleGenetic LinkageHeLa CellsHomozygoteHumansInfantMaleMiceMicrocephalyMicrotubule-Associated ProteinsMutationNeural Stem CellsNeurogenesisNeuronsPhenotypePregnancyRNA, MessengerTransfectionConceptsCortical laminationPatient-derived cell linesDistinct homozygous mutationsProfound mental retardationCerebral cortexCerebral cortex neurogenesisMouse embryonic brainNeuron productionBrain scansPostmortem dataEmbryonic brainNeural precursorsHomozygous mutationNeuroepithelial cellsNeurogenesisPatient cellsMental retardationExtreme microcephalyAffected individualsEarly neurogenesisCell linesT mutationPakistani originBrainTurkish family
2005
CCM2 Expression Parallels That of CCM1
Seker A, Pricola KL, Guclu B, Ozturk AK, Louvi A, Gunel M. CCM2 Expression Parallels That of CCM1. Stroke 2005, 37: 518-523. PMID: 16373645, DOI: 10.1161/01.str.0000198835.49387.25.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternBrainCarrier ProteinsCells, CulturedCentral Nervous SystemCerebral CortexChlorocebus aethiopsCOS CellsEndothelium, VascularHumansImmunohistochemistryIn Situ HybridizationKRIT1 ProteinMiceMicrotubule-Associated ProteinsMuscle, SmoothMutationNeuronsPhenotypeProto-Oncogene ProteinsRNA, MessengerSignal TransductionTime FactorsTwo-Hybrid System TechniquesUmbilical VeinsConceptsCerebral cavernous malformationsProtein expressionExtracerebral tissuesFamilial cerebral cavernous malformationsArterial vascular endotheliumPostnatal mouse brainSmooth muscle cellsVascular wall elementsWestern blot analysisExpression patternsPyramidal neuronsVenous circulationCerebral tissueNeurovascular diseasesCavernous malformationsImmunohistochemical analysisVascular endotheliumMouse brainMRNA expressionMuscle cellsFoot processesEpithelial cellsExpression parallelsDisease phenotypeSpatial expression patterns
1995
Vasoactive intestinal polypeptide and its receptor changes in human temporal lobe epilepsy
de Lanerolle NC, Gunel M, Sundaresan S, Shen MY, Brines ML, Spencer DD. Vasoactive intestinal polypeptide and its receptor changes in human temporal lobe epilepsy. Brain Research 1995, 686: 182-193. PMID: 7583284, DOI: 10.1016/0006-8993(95)00365-w.Peer-Reviewed Original ResearchConceptsTemporal lobe epilepsyTemporal lobe lesionsLobe epilepsySeizure focusLobe lesionsCA fieldsReceptor distributionHuman hippocampusHuman temporal lobe epilepsyIntractable temporal lobe epilepsyHippocampal seizure focusHippocampal neuronal lossVasoactive intestinal polypeptideDentate molecular layerAutopsy hippocampiVIP immunoreactivityNeuronal lossIntestinal polypeptidePatient groupReceptor autoradiographyReceptor changesTLE patientsIntestinal peptideNeuronal numberAmmon's horn