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 ASDBiallelic 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
2015
De novo mutations in congenital heart disease with neurodevelopmental and other congenital anomalies
Homsy J, Zaidi S, Shen Y, Ware JS, Samocha KE, Karczewski KJ, DePalma SR, McKean D, Wakimoto H, Gorham J, Jin SC, Deanfield J, Giardini A, Porter GA, Kim R, Bilguvar K, López-Giráldez F, Tikhonova I, Mane S, Romano-Adesman A, Qi H, Vardarajan B, Ma L, Daly M, Roberts AE, Russell MW, Mital S, Newburger JW, Gaynor JW, Breitbart RE, Iossifov I, Ronemus M, Sanders SJ, Kaltman JR, Seidman JG, Brueckner M, Gelb BD, Goldmuntz E, Lifton RP, Seidman CE, Chung WK. De novo mutations in congenital heart disease with neurodevelopmental and other congenital anomalies. Science 2015, 350: 1262-1266. PMID: 26785492, PMCID: PMC4890146, DOI: 10.1126/science.aac9396.Peer-Reviewed Original ResearchConceptsCongenital anomaliesNeurodevelopmental disabilitiesCongenital heart disease patientsDe novo mutationsExtracardiac congenital anomaliesImproved prognostic assessmentEarly therapeutic interventionHeart disease patientsCongenital heart diseaseNovo mutationsCHD patientsDisease patientsHeart diseasePrognostic assessmentCHD casesTherapeutic interventionsPatientsExome sequencingCHDParent-offspring triosMultiple mutationsGenetic contributionMutationsChromatin modificationsTranscriptional regulation
2014
Mutations in KATNB1 Cause Complex Cerebral Malformations by Disrupting Asymmetrically Dividing Neural Progenitors
Mishra-Gorur K, Çağlayan AO, Schaffer AE, Chabu C, Henegariu O, Vonhoff F, Akgümüş GT, Nishimura S, Han W, Tu S, Baran B, Gümüş H, Dilber C, Zaki MS, Hossni HA, Rivière JB, Kayserili H, Spencer EG, Rosti RÖ, Schroth J, Per H, Çağlar C, Çağlar Ç, Dölen D, Baranoski JF, Kumandaş S, Minja FJ, Erson-Omay EZ, Mane SM, Lifton RP, Xu T, Keshishian H, Dobyns WB, C. N, Šestan N, Louvi A, Bilgüvar K, Yasuno K, Gleeson JG, Günel M. Mutations in KATNB1 Cause Complex Cerebral Malformations by Disrupting Asymmetrically Dividing Neural Progenitors. Neuron 2014, 84: 1226-1239. PMID: 25521378, PMCID: PMC5024344, DOI: 10.1016/j.neuron.2014.12.014.Peer-Reviewed Original ResearchConceptsComplex cerebral malformationsCerebral cortical malformationsMicrotubule-severing enzyme kataninExome sequencing analysisMitotic spindle formationDrosophila optic lobeCerebral malformationsPatient-derived fibroblastsCell cycle progression delayCortical malformationsMotor neuronsComplex malformationsMicrotubule-associated proteinsCortical developmentReduced cell numberOptic lobeRegulatory subunitBrain developmentCatalytic subunitDeleterious mutationsSpindle formationSupernumerary centrosomesArborization defectsMalformationsHuman phenotypesHomozygous loss of DIAPH1 is a novel cause of microcephaly in humans
Ercan-Sencicek AG, Jambi S, Franjic D, Nishimura S, Li M, El-Fishawy P, Morgan TM, Sanders SJ, Bilguvar K, Suri M, Johnson MH, Gupta AR, Yuksel Z, Mane S, Grigorenko E, Picciotto M, Alberts AS, Gunel M, Šestan N, State MW. Homozygous loss of DIAPH1 is a novel cause of microcephaly in humans. European Journal Of Human Genetics 2014, 23: 165-172. PMID: 24781755, PMCID: PMC4297910, DOI: 10.1038/ejhg.2014.82.Peer-Reviewed Original ResearchConceptsCell divisionFamily-based linkage analysisLinkage analysisRho effector proteinsLinear actin filamentsMaintenance of polarityMitotic cell divisionHigh-throughput sequencingRare genetic variantsHuman neuronal precursor cellsParametric multipoint linkage analysisActivation of GTPNeuronal precursor cellsFormin familyMammalian DiaphanousEffector proteinsMultipoint linkage analysisSpindle formationActin filamentsNonsense alterationWhole-exome sequencingHuman pathologiesNeuroepithelial cellsGenetic variantsHomozygous lossCLP1 Founder Mutation Links tRNA Splicing and Maturation to Cerebellar Development and Neurodegeneration
Schaffer AE, Eggens VR, Caglayan AO, Reuter MS, Scott E, Coufal NG, Silhavy JL, Xue Y, Kayserili H, Yasuno K, Rosti RO, Abdellateef M, Caglar C, Kasher PR, Cazemier JL, Weterman MA, Cantagrel V, Cai N, Zweier C, Altunoglu U, Satkin NB, Aktar F, Tuysuz B, Yalcinkaya C, Caksen H, Bilguvar K, Fu XD, Trotta CR, Gabriel S, Reis A, Gunel M, Baas F, Gleeson JG. CLP1 Founder Mutation Links tRNA Splicing and Maturation to Cerebellar Development and Neurodegeneration. Cell 2014, 157: 651-663. PMID: 24766810, PMCID: PMC4128918, DOI: 10.1016/j.cell.2014.03.049.Peer-Reviewed Original ResearchConceptsPre-tRNA cleavagePolyadenylation factor INull zebrafishTRNA splicingMultifunctional kinaseTRNA maturationMature tRNAEndonuclease complexMutant proteinsKinase activityOxidative stress-induced reductionInduced neuronsNeuronal developmentCell survivalIndependent pedigreesPatient cellsConsanguineous familyCerebellar neurodegenerationTRNACerebellar developmentNeurodegenerative diseasesMaturationNeurodegenerationStress-induced reductionFactor I
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
2010
Whole-exome sequencing identifies recessive WDR62 mutations in severe brain malformations
Bilgüvar K, Öztürk A, Louvi A, Kwan KY, Choi M, Tatlı B, Yalnızoğlu D, Tüysüz B, Çağlayan A, Gökben S, Kaymakçalan H, Barak T, Bakırcıoğlu M, Yasuno K, Ho W, Sanders S, Zhu Y, Yılmaz S, Dinçer A, Johnson MH, Bronen RA, Koçer N, Per H, Mane S, Pamir MN, Yalçınkaya C, Kumandaş S, Topçu M, Özmen M, Šestan N, Lifton RP, State MW, Günel M. Whole-exome sequencing identifies recessive WDR62 mutations in severe brain malformations. Nature 2010, 467: 207-210. PMID: 20729831, PMCID: PMC3129007, DOI: 10.1038/nature09327.Peer-Reviewed Original ResearchConceptsAbnormal cortical developmentWD repeat domain 62 (WDR62) geneSevere brain malformationsWhole-exome sequencingBrain abnormalitiesBrain malformationsCortical developmentMolecular pathogenesisCerebellar hypoplasiaWDR62 mutationsEmbryonic neurogenesisDiagnostic classificationMicrocephaly genesSmall family sizeGenetic heterogeneityWide spectrumRecessive mutationsPachygyriaPathogenesisHypoplasiaNeocortexNeurogenesisAbnormalitiesMalformationsMutations