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 phenotypesCLP1 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