2021
Bi-allelic variants in SPATA5L1 lead to intellectual disability, spastic-dystonic cerebral palsy, epilepsy, and hearing loss
Richard EM, Bakhtiari S, Marsh APL, Kaiyrzhanov R, Wagner M, Shetty S, Pagnozzi A, Nordlie SM, Guida BS, Cornejo P, Magee H, Liu J, Norton BY, Webster RI, Worgan L, Hakonarson H, Li J, Guo Y, Jain M, Blesson A, Rodan LH, Abbott MA, Comi A, Cohen JS, Alhaddad B, Meitinger T, Lenz D, Ziegler A, Kotzaeridou U, Brunet T, Chassevent A, Smith-Hicks C, Ekstein J, Weiden T, Hahn A, Zharkinbekova N, Turnpenny P, Tucci A, Yelton M, Horvath R, Gungor S, Hiz S, Oktay Y, Lochmuller H, Zollino M, Morleo M, Marangi G, Nigro V, Torella A, Pinelli M, Amenta S, Husain RA, Grossmann B, Rapp M, Steen C, Marquardt I, Grimmel M, Grasshoff U, Korenke GC, Owczarek-Lipska M, Neidhardt J, Radio FC, Mancini C, Claps Sepulveda DJ, McWalter K, Begtrup A, Crunk A, Guillen Sacoto MJ, Person R, Schnur RE, Mancardi MM, Kreuder F, Striano P, Zara F, Chung WK, Marks WA, van Eyk CL, Webber DL, Corbett MA, Harper K, Berry JG, MacLennan AH, Gecz J, Tartaglia M, Salpietro V, Christodoulou J, Kaslin J, Padilla-Lopez S, Bilguvar K, Munchau A, Ahmed ZM, Hufnagel RB, Fahey MC, Maroofian R, Houlden H, Sticht H, Mane SM, Rad A, Vona B, Jin SC, Haack TB, Makowski C, Hirsch Y, Riazuddin S, Kruer MC. Bi-allelic variants in SPATA5L1 lead to intellectual disability, spastic-dystonic cerebral palsy, epilepsy, and hearing loss. American Journal Of Human Genetics 2021, 108: 2006-2016. PMID: 34626583, PMCID: PMC8546233, DOI: 10.1016/j.ajhg.2021.08.003.Peer-Reviewed Original ResearchConceptsSensorineural hearing lossCerebral palsyHearing lossBi-allelic variantsInner earRodent inner earDevelopmental delay/intellectual disabilityThin corpus callosumGlial cell nucleiIntellectual disabilityRat hippocampal neuronsWhite matter volumeNeurosensory hair cellsPeriventricular leukomalaciaQuantitative volumetryCerebral volumeCorpus callosumHippocampal neuronsMatter volumeReceptor functionBrain imagingHair cellsProminent expressionNeurodevelopmental phenotypesAffected individuals
2015
Functional 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
Autosomal recessive spastic tetraplegia caused by AP4M1 and AP4B1 gene mutation: Expansion of the facial and neuroimaging features
Tüysüz B, Bilguvar K, Koçer N, Yalçınkaya C, Çağlayan O, Gül E, Şahin S, Çomu S, Günel M. Autosomal recessive spastic tetraplegia caused by AP4M1 and AP4B1 gene mutation: Expansion of the facial and neuroimaging features. American Journal Of Medical Genetics Part A 2014, 164: 1677-1685. PMID: 24700674, DOI: 10.1002/ajmg.a.36514.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentBasic Helix-Loop-Helix Leucine Zipper Transcription FactorsBrainChildDNA Mutational AnalysisDNA-Binding ProteinsFaciesFemaleGenes, RecessiveGenetic Association StudiesHomozygoteHumansMagnetic Resonance ImagingMaleMutationNeuroimagingPedigreePhenotypeQuadriplegiaRNA-Binding ProteinsSiblingsConceptsAdaptor protein complex 4Tetraplegic cerebral palsySevere intellectual disabilitySpastic tetraplegiaCerebral palsySpastic tetraplegic cerebral palsyIntellectual disabilityStereotypic laughterCranial imaging findingsWhite matter volumeWhole-exome sequencingNovel homozygous mutationAsymmetrical ventriculomegalyCranial MRIImaging findingsClinical findingsNeuroimaging featuresBrain abnormalitiesCommon findingCorpus callosumAutosomal recessive phenotypePairs of siblingsPatientsSimilar facial featuresMatter volume
2013
A new patient with Andermann syndrome: an underdiagnosed clinical genetics entity?
Degerliyurt A, Akgumus G, Caglar C, Bilguvar K, Caglayan A. A new patient with Andermann syndrome: an underdiagnosed clinical genetics entity? Genetic Counseling 2013, 24: 283-9. PMID: 24341143.Peer-Reviewed Original ResearchConceptsAndermann syndromeCorpus callosumCortical electrical activityAutosomal recessive disorderPeripheral neuropathyProgressive neuropathySevere neuropathyYear old Turkish boyNew patientsPsychiatric symptomsExtracellular ion concentrationsClinical attentionConsanguineous parentsImaging studiesNeuropathySyndromeThird decadeRecessive disorderElectrical activityMental retardationDysmorphic characteristicsAreflexiaTurkish boyAgenesisCallosum