2023
LRRC23 truncation impairs radial spoke 3 head assembly and sperm motility underlying male infertility
Hwang J, Chai P, Nawaz S, Choi J, Lopez-Giraldez F, Hussain S, Bilguvar K, Mane S, Lifton R, Ahmad W, Zhang K, Chung J. LRRC23 truncation impairs radial spoke 3 head assembly and sperm motility underlying male infertility. ELife 2023, 12: rp90095. PMID: 38091523, PMCID: PMC10721216, DOI: 10.7554/elife.90095.Peer-Reviewed Original ResearchTRAPPC6B biallelic variants cause a neurodevelopmental disorder with TRAPP II and trafficking disruptions
Almousa H, Lewis S, Bakhtiari S, Nordlie S, Pagnozzi A, Magee H, Efthymiou S, Heim J, Cornejo P, Zaki M, Anwar N, Maqbool S, Rahman F, Neilson D, Vemuri A, Jin S, Yang X, Heidari A, van Gassen K, Trimouille A, Thauvin-Robinet C, Liu J, Bruel A, Tomoum H, Shata M, Hashem M, Toosi M, Karimiani E, Yeşil G, Lingappa L, Baruah D, Ebrahimzadeh F, Van-Gils J, Faivre L, Zamani M, Galehdari H, Sadeghian S, Shariati G, Mohammad R, van der Smagt J, Qari A, Vincent J, Innes A, Dursun A, Özgül R, Akar H, Bilguvar K, Mignot C, Keren B, Raveli C, Burglen L, Afenjar A, Kaat L, van Slegtenhorst M, Alkuraya F, Houlden H, Padilla-Lopez S, Maroofian R, Sacher M, Kruer M. TRAPPC6B biallelic variants cause a neurodevelopmental disorder with TRAPP II and trafficking disruptions. Brain 2023, 147: 311-324. PMID: 37713627, PMCID: PMC10766242, DOI: 10.1093/brain/awad301.Peer-Reviewed Original ResearchPleiotropic role of TRAF7 in skull-base meningiomas and congenital heart disease
Mishra-Gorur K, Barak T, Kaulen L, Henegariu O, Jin S, Aguilera S, Yalbir E, Goles G, Nishimura S, Miyagishima D, Djenoune L, Altinok S, K. D, Viviano S, Prendergast A, Zerillo C, Ozcan K, Baran B, Sencar L, Goc N, Yarman Y, Ercan-Sencicek A, Bilguvar K, Lifton R, Moliterno J, Louvi A, Yuan S, Deniz E, Brueckner M, Gunel M. Pleiotropic role of TRAF7 in skull-base meningiomas and congenital heart disease. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2214997120. PMID: 37043537, PMCID: PMC10120005, DOI: 10.1073/pnas.2214997120.Peer-Reviewed Original ResearchConceptsWild-type proteinInherited mutationsCardiac outflow tractDevelopmental heart defectsProtein functionLack ciliaPleiotropic rolesMechanistic convergenceNeural crestCiliary defectsSomatic variantsForebrain meningesCommon originDominant mannerMutationsTRAF7ZebrafishMutantsDisparate pathologiesHeterodimerizationKnockdownGeneticsProteinCiliaCongenital heart
2020
Mutations disrupting neuritogenesis genes confer risk for cerebral palsy
Jin SC, Lewis SA, Bakhtiari S, Zeng X, Sierant MC, Shetty S, Nordlie SM, Elie A, Corbett MA, Norton BY, van Eyk CL, Haider S, Guida BS, Magee H, Liu J, Pastore S, Vincent JB, Brunstrom-Hernandez J, Papavasileiou A, Fahey MC, Berry JG, Harper K, Zhou C, Zhang J, Li B, Zhao H, Heim J, Webber DL, Frank MSB, Xia L, Xu Y, Zhu D, Zhang B, Sheth AH, Knight JR, Castaldi C, Tikhonova IR, López-Giráldez F, Keren B, Whalen S, Buratti J, Doummar D, Cho M, Retterer K, Millan F, Wang Y, Waugh JL, Rodan L, Cohen JS, Fatemi A, Lin AE, Phillips JP, Feyma T, MacLennan SC, Vaughan S, Crompton KE, Reid SM, Reddihough DS, Shang Q, Gao C, Novak I, Badawi N, Wilson YA, McIntyre SJ, Mane SM, Wang X, Amor DJ, Zarnescu DC, Lu Q, Xing Q, Zhu C, Bilguvar K, Padilla-Lopez S, Lifton RP, Gecz J, MacLennan AH, Kruer MC. Mutations disrupting neuritogenesis genes confer risk for cerebral palsy. Nature Genetics 2020, 52: 1046-1056. PMID: 32989326, PMCID: PMC9148538, DOI: 10.1038/s41588-020-0695-1.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBeta CateninCerebral PalsyCyclin DCytoskeletonDrosophilaExomeExome SequencingExtracellular MatrixF-Box ProteinsFemaleFocal AdhesionsGenetic Predisposition to DiseaseGenome, HumanHumansMaleMutationNeuritesRhoB GTP-Binding ProteinRisk FactorsSequence Analysis, DNASignal TransductionTubulinTumor Suppressor ProteinsConceptsDamaging de novo mutationsCerebral palsyDe novo mutationsCerebral palsy casesRisk genesDamaging de novoNovo mutationsWhole-exome sequencingPalsy casesNeuromotor functionD levelsMonogenic etiologyCyclin D levelsNeuronal connectivityPalsyGene confer riskConfer riskRecessive variantsNeurodevelopmental disorder genesReverse genetic screenDisorder genesParent-offspring triosGenome-wide significanceGenomic factorsCytoskeleton pathway
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
2017
De novo mutations in inhibitors of Wnt, BMP, and Ras/ERK signaling pathways in non-syndromic midline craniosynostosis
Timberlake AT, Furey CG, Choi J, Nelson-Williams C, Loring E, Galm A, Kahle K, Steinbacher D, Larysz D, Persing J, Lifton R, Bilguvar K, Mane S, Tikhonova I, Castaldi C, Knight J. De novo mutations in inhibitors of Wnt, BMP, and Ras/ERK signaling pathways in non-syndromic midline craniosynostosis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: e7341-e7347. PMID: 28808027, PMCID: PMC5584457, DOI: 10.1073/pnas.1709255114.Peer-Reviewed Original ResearchConceptsBone morphogenetic proteinRas/ERKDe novo mutationsNovo mutationsRas/ERK pathwayDamaging de novo mutationsHigh locus heterogeneityRare syndromic diseaseCommon risk variantsInhibitor of WntSyndromic craniosynostosesNew genesParent-offspring triosSyndromic diseaseMorphogenetic proteinsNegative regulatorERK pathwayMore cranial suturesGenesMidline craniosynostosisRisk variantsWntLocus heterogeneityMutationsExome sequencingAAV-mediated direct in vivo CRISPR screen identifies functional suppressors in glioblastoma
Chow RD, Guzman CD, Wang G, Schmidt F, Youngblood MW, Ye L, Errami Y, Dong MB, Martinez MA, Zhang S, Renauer P, Bilguvar K, Gunel M, Sharp PA, Zhang F, Platt RJ, Chen S. AAV-mediated direct in vivo CRISPR screen identifies functional suppressors in glioblastoma. Nature Neuroscience 2017, 20: 1329-1341. PMID: 28805815, PMCID: PMC5614841, DOI: 10.1038/nn.4620.Peer-Reviewed Original ResearchBiallelic mutations in the 3′ exonuclease TOE1 cause pontocerebellar hypoplasia and uncover a role in snRNA processing
Lardelli RM, Schaffer AE, Eggens VR, Zaki MS, Grainger S, Sathe S, Van Nostrand EL, Schlachetzki Z, Rosti B, Akizu N, Scott E, Silhavy JL, Heckman LD, Rosti RO, Dikoglu E, Gregor A, Guemez-Gamboa A, Musaev D, Mande R, Widjaja A, Shaw TL, Markmiller S, Marin-Valencia I, Davies JH, de Meirleir L, Kayserili H, Altunoglu U, Freckmann ML, Warwick L, Chitayat D, Blaser S, Çağlayan AO, Bilguvar K, Per H, Fagerberg C, Christesen HT, Kibaek M, Aldinger KA, Manchester D, Matsumoto N, Muramatsu K, Saitsu H, Shiina M, Ogata K, Foulds N, Dobyns WB, Chi NC, Traver D, Spaccini L, Bova SM, Gabriel SB, Gunel M, Valente EM, Nassogne MC, Bennett EJ, Yeo GW, Baas F, Lykke-Andersen J, Gleeson JG. Biallelic mutations in the 3′ exonuclease TOE1 cause pontocerebellar hypoplasia and uncover a role in snRNA processing. Nature Genetics 2017, 49: 457-464. PMID: 28092684, PMCID: PMC5325768, DOI: 10.1038/ng.3762.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 ASD
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 IExome 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
2011
Recessive LAMC3 mutations cause malformations of occipital cortical development
Barak T, Kwan KY, Louvi A, Demirbilek V, Saygı S, Tüysüz B, Choi M, Boyacı H, Doerschner K, Zhu Y, Kaymakçalan H, Yılmaz S, Bakırcıoğlu M, Çağlayan A, Öztürk A, Yasuno K, Brunken WJ, Atalar E, Yalçınkaya C, Dinçer A, Bronen RA, Mane S, Özçelik T, Lifton RP, Šestan N, Bilgüvar K, Günel M. Recessive LAMC3 mutations cause malformations of occipital cortical development. Nature Genetics 2011, 43: 590-594. PMID: 21572413, PMCID: PMC3329933, DOI: 10.1038/ng.836.Peer-Reviewed Original ResearchThe 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
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
2008
Therapeutic efficacy of SJA6017, a calpain inhibitor, in rat spinal cord injury
Akdemir O, Uçankale M, Karaoğlan A, Barut Ş, Sağmanligil A, Bilguvar K, Çirakoğlu B, Şahan E, Çolak A. Therapeutic efficacy of SJA6017, a calpain inhibitor, in rat spinal cord injury. Journal Of Clinical Neuroscience 2008, 15: 1130-1136. PMID: 18656362, DOI: 10.1016/j.jocn.2007.08.011.Peer-Reviewed Original ResearchConceptsSpinal cord injuryGroup 3 ratsCord injuryRat spinal cord injury modelGrading scaleRat spinal cord injurySpinal cord injury modelApoptotic cell deathSpinal cord traumaGroup 2 ratsFeasible therapeutic strategySpinal cord tissueWistar albino ratsNecrosis 24 hCell deathTarlov scoreModerate traumaCord traumaNeuroprotective effectsFunctional recoveryFunctional outcomeLimb functionNeurological performanceWidespread edemaInjury model