2017
Combined HMG-COA reductase and prenylation inhibition in treatment of CCM
Nishimura S, Mishra-Gorur K, Park J, Surovtseva YV, Sebti SM, Levchenko A, Louvi A, Gunel M. Combined HMG-COA reductase and prenylation inhibition in treatment of CCM. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: 5503-5508. PMID: 28500274, PMCID: PMC5448170, DOI: 10.1073/pnas.1702942114.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAstrocytesDiphosphonatesDrosophilaDrug Evaluation, PreclinicalDrug Therapy, CombinationEndothelial CellsFatty Acids, MonounsaturatedFemaleFluvastatinHemangioma, Cavernous, Central Nervous SystemHigh-Throughput Screening AssaysHydroxymethylglutaryl-CoA Reductase InhibitorsImidazolesIndolesMaleMAP Kinase Signaling SystemMicePregnancyProtein PrenylationZoledronic AcidConceptsCerebral cavernous malformationsTreatment of CCMsCommon vascular anomaliesPotential pharmacological treatment optionsFocal neurological deficitsPharmacological treatment optionsCCM diseaseAcute mouse modelCentral nervous systemNeurological deficitsHemorrhagic strokePharmacological therapyLesion burdenVascular deficitsSymptomatic lesionsCombination therapyTreatment optionsVascular anomaliesGlial cellsCavernous malformationsMouse modelPrimary astrocytesNervous systemDrug AdministrationSustained inhibitionDisruptions 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
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 expressionCCKBRBrainMutations 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 HAA, 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, Chi NC, 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 2015, 85: 228. PMID: 29654772, DOI: 10.1016/j.neuron.2014.12.046.Peer-Reviewed Original Research
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 phenotypesCcm3, a gene associated with cerebral cavernous malformations, is required for neuronal migration
Louvi A, Nishimura S, Günel M. Ccm3, a gene associated with cerebral cavernous malformations, is required for neuronal migration. Journal Of Cell Science 2014, 127: e1-e1. DOI: 10.1242/jcs.152207.Peer-Reviewed Original ResearchCcm3, a gene associated with cerebral cavernous malformations, is required for neuronal migration
Louvi A, Nishimura S, Günel M. Ccm3, a gene associated with cerebral cavernous malformations, is required for neuronal migration. Development 2014, 141: 1404-1415. PMID: 24595293, PMCID: PMC3943187, DOI: 10.1242/dev.093526.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosis Regulatory ProteinsCell MovementCell ProliferationCyclin-Dependent Kinase 5FemaleHemangioma, Cavernous, Central Nervous SystemIntracellular Signaling Peptides and ProteinsMiceMice, KnockoutMice, TransgenicNeocortexNeural Stem CellsNeurogliaPregnancyRho GTP-Binding ProteinsRhoA GTP-Binding ProteinSignal TransductionConceptsCerebral cavernous malformation 3Neuronal migrationCerebral cavernous malformationsRadial glia progenitorsCell non-autonomous functionCerebrovascular disordersPyramidal neuronsCortical plateLaminar positioningSubventricular zoneCortical developmentCavernous malformationsRadial gliaLoss of functionNascent neuronsNeuronal morphologySevere malformationsGlia progenitorsNeural progenitorsNeuronsNon-autonomous functionsMalformationsRhoA pathwayPossible interactionsGlia
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
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 ResearchLoss of cerebral cavernous malformation 3 (Ccm3) in neuroglia leads to CCM and vascular pathology
Louvi A, Chen L, Two AM, Zhang H, Min W, Günel M. Loss of cerebral cavernous malformation 3 (Ccm3) in neuroglia leads to CCM and vascular pathology. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 3737-3742. PMID: 21321212, PMCID: PMC3048113, DOI: 10.1073/pnas.1012617108.Peer-Reviewed Original ResearchConceptsNeural cellsCerebral cavernous malformationsCell-nonautonomous mechanismsPathogenesis of CCMsRho GTPase signalingCell-autonomous mechanismsCell-autonomous roleCerebral cavernous malformation 3Cell death 10Central nervous systemConditional mouse mutantsNonautonomous functionsCytoskeletal remodelingRNA sequencingCCM3/Mouse mutantsNeurovascular unitNonautonomous mechanismsProper developmentVascular lesionsGene 1Function mutationsNervous systemAutonomous mechanismsLate functionsChapter 393 Genetics of Cerebral Cavernous Malformations
Ozturk A, Louvi A, Günel M. Chapter 393 Genetics of Cerebral Cavernous Malformations. 2011, 4127-4133.e2. DOI: 10.1016/b978-1-4160-5316-3.00396-8.Peer-Reviewed Original Research
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
2008
PDCD10, the gene mutated in cerebral cavernous malformation 3, is expressed in the neurovascular unit.
Tanriover G, Boylan AJ, Diluna ML, Pricola KL, Louvi A, Gunel M. PDCD10, the gene mutated in cerebral cavernous malformation 3, is expressed in the neurovascular unit. Neurosurgery 2008, 62: 930-8; discussion 938. PMID: 18496199, DOI: 10.1227/01.neu.0000318179.02912.ca.Peer-Reviewed Original ResearchConceptsMultiple organ systemsNeurovascular unitPostnatal mouse brainCerebral cavernous malformation 3Mouse brainCell death 10 geneArterial endotheliumOrgan systemsGranule cell layerMessenger ribonucleic acid expressionRibonucleic acid expressionCCM3/PDCD10Brainstem tissueEmbryonic mouse brainSeptal nucleusCortical plateDentate gyrusHypothalamic nucleiOlfactory bulbHuman cerebralInferior colliculusSolid organ tissuesVenous structuresVenous endotheliumDisease pathogenesisMolecular Cytogenetic Analysis and Resequencing of Contactin Associated Protein-Like 2 in Autism Spectrum Disorders
Bakkaloglu B, O'Roak BJ, Louvi A, Gupta AR, Abelson JF, Morgan TM, Chawarska K, Klin A, Ercan-Sencicek AG, Stillman AA, Tanriover G, Abrahams BS, Duvall JA, Robbins EM, Geschwind DH, Biederer T, Gunel M, Lifton RP, State MW. Molecular Cytogenetic Analysis and Resequencing of Contactin Associated Protein-Like 2 in Autism Spectrum Disorders. American Journal Of Human Genetics 2008, 82: 165-173. PMID: 18179895, PMCID: PMC2253974, DOI: 10.1016/j.ajhg.2007.09.017.Peer-Reviewed Original ResearchConceptsAutism susceptibility candidate 2Contactin 4Plasma membrane fractionSynaptic plasma membrane fractionMolecular cytogenetic analysisComplex genetic etiologyRare variantsBioinformatics approachConserved positionNonsynonymous changesMembrane fractionRare homozygous mutationControl chromosomesBiochemical analysisNeurodevelopmental syndromeGenetic etiologyPathophysiology of ASDCandidate 2Recent findingsHomozygous mutationUnrelated familiesCytogenetic analysisMutationsVariantsResequencing
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 patternsSequence Variants in SLITRK1 Are Associated with Tourette's Syndrome
Abelson JF, Kwan KY, O'Roak BJ, Baek DY, Stillman AA, Morgan TM, Mathews CA, Pauls DL, Rašin M, Gunel M, Davis NR, Ercan-Sencicek AG, Guez DH, Spertus JA, Leckman JF, Dure LS, Kurlan R, Singer HS, Gilbert DL, Farhi A, Louvi A, Lifton RP, Šestan N, State MW. Sequence Variants in SLITRK1 Are Associated with Tourette's Syndrome. Science 2005, 310: 317-320. PMID: 16224024, DOI: 10.1126/science.1116502.Peer-Reviewed Original ResearchMeSH Keywords3' Untranslated RegionsAdolescentAnimalsAttention Deficit Disorder with HyperactivityBrainChildChild, PreschoolChromosome InversionChromosome MappingChromosomes, Human, Pair 13DNADNA Mutational AnalysisFemaleFrameshift MutationHumansIn Situ Hybridization, FluorescenceMaleMembrane ProteinsMiceMutationNerve Tissue ProteinsPedigreeSequence Analysis, DNATourette SyndromeConceptsSequence variantsTourette syndromeChromosomal inversionsFrameshift mutantsCandidate genesExpression patternsControl chromosomesPrimary neuronal culturesFrameshift mutationSLITRK1Independent occurrenceMotor ticsDevelopmental neuropsychiatric disordersChronic vocalNeuronal culturesIdentical variantsUnrelated probandsBrain regionsNeuropsychiatric disordersSyndrome