2024
Reply to Pisan et al.: Pathogenicity of inherited TRAF7 mutations in 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-encicek A, Bilguvar K, Lifton R, Moliterno J, Louvi A, Yuan S, Deniz E, Brueckner M, Gunel M. Reply to Pisan et al.: Pathogenicity of inherited TRAF7 mutations in congenital heart disease. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2319578121. PMID: 38466853, PMCID: PMC10963000, DOI: 10.1073/pnas.2319578121.Commentaries, Editorials and Letters
2023
Super-enhancer hijacking drives ectopic expression of hedgehog pathway ligands in meningiomas
Youngblood M, Erson-Omay Z, Li C, Najem H, Coșkun S, Tyrtova E, Montejo J, Miyagishima D, Barak T, Nishimura S, Harmancı A, Clark V, Duran D, Huttner A, Avşar T, Bayri Y, Schramm J, Boetto J, Peyre M, Riche M, Goldbrunner R, Amankulor N, Louvi A, Bilgüvar K, Pamir M, Özduman K, Kilic T, Knight J, Simon M, Horbinski C, Kalamarides M, Timmer M, Heimberger A, Mishra-Gorur K, Moliterno J, Yasuno K, Günel M. Super-enhancer hijacking drives ectopic expression of hedgehog pathway ligands in meningiomas. Nature Communications 2023, 14: 6279. PMID: 37805627, PMCID: PMC10560290, DOI: 10.1038/s41467-023-41926-y.Peer-Reviewed Original ResearchMicrocephaly-associated protein WDR62 shuttles from the Golgi apparatus to the spindle poles in human neural progenitors
Dell'Amico C, Salavarria M, Takeo Y, Saotome I, Dell'Anno M, Galimberti M, Pellegrino E, Cattaneo E, Louvi A, Onorati M. Microcephaly-associated protein WDR62 shuttles from the Golgi apparatus to the spindle poles in human neural progenitors. ELife 2023, 12: e81716. PMID: 37272619, PMCID: PMC10241521, DOI: 10.7554/elife.81716.Peer-Reviewed Original ResearchConceptsHuman fetal brain tissueStructural brain abnormalitiesC-terminal truncating mutationsFetal brain tissueEtiology of microcephalySevere neurodevelopmental abnormalitiesStem cellsNeuroepithelial stem cellsHuman neural progenitorsHuman brain developmentBrain abnormalitiesCommon causeNeurodevelopmental abnormalitiesAutosomal recessive primary microcephalyBrain tissueBrain developmentCerebral organoidsMicrocephalyUnaffected parentsTruncating mutationsNeural progenitorsHuman neurodevelopmentAbnormalitiesPleiotropic functionsCritical hubPleiotropic 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
2019
The Notch pathway in CNS homeostasis and neurodegeneration
Ho DM, Artavanis‐Tsakonas S, Louvi A. The Notch pathway in CNS homeostasis and neurodegeneration. WIREs Mechanisms Of Disease 2019, 9: e358. PMID: 31502763, DOI: 10.1002/wdev.358.Peer-Reviewed Original ResearchConceptsNervous system developmentCNS homeostasisNotch pathway activityNeurodegenerative diseasesCerebral autosomal dominant arteriopathyAcute brain traumaChronic neurodegenerative conditionsProgressive neurodegenerative diseaseAutosomal dominant arteriopathyCellular contextCentral nervous systemAmyotrophic lateral sclerosisNotch signalsAdult organismNotch activityNotch pathwayNeural developmentMultiple sclerosisAdult neurogenesisBrain traumaPathway activitySubcortical infarctsLateral sclerosisNOTCH3 mutationsHereditary stroke
2018
Cerebrovascular disorders associated with genetic lesions
Karschnia P, Nishimura S, Louvi A. Cerebrovascular disorders associated with genetic lesions. Cellular And Molecular Life Sciences 2018, 76: 283-300. PMID: 30327838, PMCID: PMC6450555, DOI: 10.1007/s00018-018-2934-5.Peer-Reviewed Original ResearchConceptsCerebrovascular disordersGenetic lesionsCerebral blood flowRational therapeutic approachMolecular mechanismsCerebrovascular diseaseMechanistic understandingTherapeutic approachesBlood flowDisease pathogenesisSporadic formsGenomic findingsCurrent knowledgeGenetic formsDisordersLesionsBlood vessel structureWider implicationsPathogenesisAbnormalitiesDiseaseVessel structure
2017
Disruptions in asymmetric centrosome inheritance and WDR62-Aurora kinase B interactions in primary microcephaly
Sgourdou P, Mishra-Gorur K, Saotome I, Henagariu O, Tuysuz B, Campos C, Ishigame K, Giannikou K, Quon JL, Sestan N, Caglayan AO, Gunel M, Louvi A. Disruptions in asymmetric centrosome inheritance and WDR62-Aurora kinase B interactions in primary microcephaly. Scientific Reports 2017, 7: 43708. PMID: 28272472, PMCID: PMC5341122, DOI: 10.1038/srep43708.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAurora Kinase BBrainCell CycleCell Cycle ProteinsCell DifferentiationCell ProliferationCentrosomeConsanguinityDisease Models, AnimalEpistasis, GeneticFluorescent Antibody TechniqueGene ExpressionHumansInheritance PatternsMaleMiceMice, KnockoutMicrocephalyMutationNerve Tissue ProteinsNeural Stem CellsPedigreeWhole Genome SequencingConceptsChromosome passenger complexPatient-derived fibroblastsCentrosome inheritanceNeocortical progenitorsDisease-associated mutant formsSpindle pole localizationAurora kinase BPassenger complexMitotic progressionMouse orthologDiverse functionsMutant formsWD repeat domain 62Key regulatorCPC componentsKinase BPole localizationPrimary microcephalyLate neurogenesisRecessive mutationsNeuronal differentiationWDR62Severe brain malformationsReduced proliferationNeocortical development
2016
Notch1 and Notch2 receptors regulate mouse and human gastric antral epithelial cell homoeostasis
Gifford GB, Demitrack ES, Keeley TM, Tam A, La Cunza N, Dedhia PH, Spence JR, Simeone DM, Saotome I, Louvi A, Siebel CW, Samuelson LC. Notch1 and Notch2 receptors regulate mouse and human gastric antral epithelial cell homoeostasis. Gut 2016, 66: 1001. PMID: 26933171, PMCID: PMC5009003, DOI: 10.1136/gutjnl-2015-310811.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, Monoclonal, HumanizedApoptosisCell DifferentiationCell ProliferationCells, CulturedDibenzazepinesEpithelial CellsFemaleGastric MucosaGene ExpressionHomeostasisHumansMaleMiceMice, Inbred C57BLMice, TransgenicOrganoidsPyloric AntrumReceptor, Notch1Receptor, Notch2Receptors, G-Protein-CoupledSignal TransductionStem CellsConceptsEpithelial cell homeostasisCell homeostasisNotch receptorsNotch inhibitor dibenzazepineGlobal Notch inhibitionStem cellsAntral stem cellsHuman antral glandsAnalysis of miceNotch pathway receptorsLgr5 stem cellsCellular differentiationNotch signalingNotch2 receptorMolecular approachesPathway receptorsNotch pathway inhibitionHuman organoidsEpithelial cell proliferationNotch inhibitionInhibition of Notch1Notch inhibitorsOrganoid growthCell proliferationNotch2
2015
Integrated genomic characterization of IDH1-mutant glioma malignant progression
Bai H, Harmancı AS, Erson-Omay EZ, Li J, Coşkun S, Simon M, Krischek B, Özduman K, Omay SB, Sorensen EA, Turcan Ş, Bakırcığlu M, Carrión-Grant G, Murray PB, Clark VE, Ercan-Sencicek AG, Knight J, Sencar L, Altınok S, Kaulen LD, Gülez B, Timmer M, Schramm J, Mishra-Gorur K, Henegariu O, Moliterno J, Louvi A, Chan TA, Tannheimer SL, Pamir MN, Vortmeyer AO, Bilguvar K, Yasuno K, Günel M. Integrated genomic characterization of IDH1-mutant glioma malignant progression. Nature Genetics 2015, 48: 59-66. PMID: 26618343, PMCID: PMC4829945, DOI: 10.1038/ng.3457.Peer-Reviewed Original ResearchConceptsDevelopmental transcription factorsActivation of MYCMalignant progressionGenomic approachesPI3K pathwayGlioma malignant progressionEpigenetic silencingIDH1 mutant gliomasTranscription factorsIntegrated genomic characterizationGenomic characterizationRTK-RASOncogenic pathwaysK pathwayClonal expansionPathwaySilencingMYCProgressionFunctional Synergy between Cholecystokinin Receptors CCKAR and CCKBR in Mammalian Brain Development
Nishimura S, Bilgüvar K, Ishigame K, Sestan N, Günel M, Louvi A. Functional Synergy between Cholecystokinin Receptors CCKAR and CCKBR in Mammalian Brain Development. PLOS ONE 2015, 10: e0124295. PMID: 25875176, PMCID: PMC4398320, DOI: 10.1371/journal.pone.0124295.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornBone Morphogenetic Protein 7Cell MovementChemokine CXCL12CholecystokininCorpus CallosumEmbryo, MammalianGene Expression ProfilingGene Expression Regulation, DevelopmentalHomozygoteHumansInterneuronsMiceMice, KnockoutMidline Thalamic NucleiMutationNeocortexNeuropilin-2Receptor, Cholecystokinin AReceptor, Cholecystokinin BReceptors, N-Methyl-D-AspartateSignal TransductionTranscriptomeConceptsCCK receptorsBrain developmentMammalian neocortical developmentCentral nervous systemCortical interneuron migrationHomozygous mutant miceMammalian brain developmentPeripheral organsReceptor lossCorpus callosumCortical developmentPostnatal brainAbundant neuropeptideNervous systemInterneuron migrationMutant miceEmbryonic neocortexNeocortical developmentReceptorsPeptide hormonesG proteinsCholecystokininReciprocal expressionCCKBRBrain
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 phenotypes
2013
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
2012
Notch and disease: A growing field
Louvi A, Artavanis-Tsakonas S. Notch and disease: A growing field. Seminars In Cell And Developmental Biology 2012, 23: 473-480. PMID: 22373641, PMCID: PMC4369912, DOI: 10.1016/j.semcdb.2012.02.005.Peer-Reviewed Original ResearchConceptsCellular fate choicesAdult stem cellsInvolvement of NotchFate choiceNotch receptorsHuman diseasesNormal developmentPleiotropic fashionStem cellsRational therapeutic avenueBiologyTherapeutic avenuesBroad actionPathwayProfound involvementComplex controlExperimental systemNotchRelated pathologiesCellsReceptorsPathobiology
2011
WNK2 Kinase Is a Novel Regulator of Essential Neuronal Cation-Chloride Cotransporters*
Rinehart J, Vázquez N, Kahle KT, Hodson CA, Ring AM, Gulcicek EE, Louvi A, Bobadilla NA, Gamba G, Lifton RP. WNK2 Kinase Is a Novel Regulator of Essential Neuronal Cation-Chloride Cotransporters*. Journal Of Biological Chemistry 2011, 286: 30171-30180. PMID: 21733846, PMCID: PMC3191056, DOI: 10.1074/jbc.m111.222893.Peer-Reviewed Original ResearchConceptsCation-chloride cotransportersSerine-threonine phosphorylationKinase-dependent mannerMammalian brainCell volume regulationSer-383Protein complexesRegulatory cascadeCotransporter regulationXenopus laevis oocytesNovel regulatorWNK2KinaseLaevis oocytesVolume regulationCl accumulationRecognition sitesWNKIntracellular concentrationRegulationSPAKAdult brainThalamic relay cellsThiazide-sensitive NCCMass spectrometry studiesRecessive 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 ResearchHypomorphic Notch 3 alleles link Notch signaling to ischemic cerebral small-vessel disease
Arboleda-Velasquez JF, Manent J, Lee JH, Tikka S, Ospina C, Vanderburg CR, Frosch MP, Rodríguez-Falcón M, Villen J, Gygi S, Lopera F, Kalimo H, Moskowitz MA, Ayata C, Louvi A, Artavanis-Tsakonas S. Hypomorphic Notch 3 alleles link Notch signaling to ischemic cerebral small-vessel disease. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: e128-e135. PMID: 21555590, PMCID: PMC3102344, DOI: 10.1073/pnas.1101964108.Peer-Reviewed Original ResearchConceptsSmall vessel diseaseIschemic cerebral small-vessel diseaseCerebral small vessel diseaseGranular osmiophilic materialMouse modelCerebral autosomal dominant arteriopathySmooth muscle cell degenerationBrain vessel pathologyPrevalent human conditionVascular smooth muscle cellsNotch 3 mutationPostmortem human tissueAutosomal dominant arteriopathyTransgenic mouse modelIschemic stroke susceptibilityAge-dependent phenotypeMuscle cell degenerationSmooth muscle cellsNotch-3 receptorCommon monogenic causeIschemic strokeVascular dementiaSubcortical infarctsReceptor activity assaysHuman brain vesselsCilia in the CNS: The Quiet Organelle Claims Center Stage
Louvi A, Grove EA. Cilia in the CNS: The Quiet Organelle Claims Center Stage. Neuron 2011, 69: 1046-1060. PMID: 21435552, PMCID: PMC3070490, DOI: 10.1016/j.neuron.2011.03.002.Peer-Reviewed Original ResearchConceptsPrimary ciliaSonic hedgehog (Shh) signal transductionHedgehog signal transductionHuman disease syndromesProtein traffickingBrain tumor formationSignal transductionCellular organellesGenetic disruptionSpecialized modeNeuronal signalingCiliaTumor formationAdult CNSAdult neurogenesisEukaryotesVertebratesOrganellesTransductionTraffickingSignalingBiologyDisease syndromeMajor linesNeurogenesis
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 mutationsPachygyriaPathogenesisHypoplasiaNeocortexNeurogenesisAbnormalitiesMalformationsMutationsL-Histidine Decarboxylase and Tourette's Syndrome
Ercan-Sencicek AG, Stillman AA, Ghosh AK, Bilguvar K, O'Roak BJ, Mason CE, Abbott T, Gupta A, King RA, Pauls DL, Tischfield JA, Heiman GA, Singer HS, Gilbert DL, Hoekstra PJ, Morgan TM, Loring E, Yasuno K, Fernandez T, Sanders S, Louvi A, Cho JH, Mane S, Colangelo CM, Biederer T, Lifton RP, Gunel M, State MW. L-Histidine Decarboxylase and Tourette's Syndrome. New England Journal Of Medicine 2010, 362: 1901-1908. PMID: 20445167, PMCID: PMC2894694, DOI: 10.1056/nejmoa0907006.Peer-Reviewed Original ResearchConceptsRare functional mutationsL-histidine decarboxylaseRate-limiting enzymeHDC geneTwo-generation pedigreeFunctional mutationsStrong genetic contributionHistamine biosynthesisAnalysis of linkageGenetic contributionModel systemRisk allelesDevelopmental neuropsychiatric disordersDecarboxylaseBiosynthesisGenesTourette syndromeMutationsAllelesEnzymeInheritanceNeuropsychiatric disordersPedigree
2009
Apoptotic Functions of PDCD10/CCM3, the Gene Mutated in Cerebral Cavernous Malformation 3
Chen L, Tanriover G, Yano H, Friedlander R, Louvi A, Gunel M. Apoptotic Functions of PDCD10/CCM3, the Gene Mutated in Cerebral Cavernous Malformation 3. Stroke 2009, 40: 1474-1481. PMID: 19246713, PMCID: PMC2709460, DOI: 10.1161/strokeaha.108.527135.Peer-Reviewed Original ResearchMeSH KeywordsApoptosisApoptosis Regulatory ProteinsCaspase 3Central Nervous System NeoplasmsCulture Media, Serum-FreeEndothelial CellsGene Expression Regulation, NeoplasticHeLa CellsHemangioma, Cavernous, Central Nervous SystemHumansIn Situ Nick-End LabelingMembrane ProteinsMutationP38 Mitogen-Activated Protein KinasesProto-Oncogene ProteinsRNA, Small InterferingTransfectionUmbilical Veins