2025
PTEN mutations impair CSF dynamics and cortical networks by dysregulating periventricular neural progenitors
DeSpenza T, Kiziltug E, Allington G, Barson D, McGee S, O’Connor D, Robert S, Mekbib K, Nanda P, Greenberg A, Singh A, Duy P, Mandino F, Zhao S, Lynn A, Reeves B, Marlier A, Getz S, Nelson-Williams C, Shimelis H, Walsh L, Zhang J, Wang W, Prina M, OuYang A, Abdulkareem A, Smith H, Shohfi J, Mehta N, Dennis E, Reduron L, Hong J, Butler W, Carter B, Deniz E, Lake E, Constable R, Sahin M, Srivastava S, Winden K, Hoffman E, Carlson M, Gunel M, Lifton R, Alper S, Jin S, Crair M, Moreno-De-Luca A, Luikart B, Kahle K. PTEN mutations impair CSF dynamics and cortical networks by dysregulating periventricular neural progenitors. Nature Neuroscience 2025, 28: 536-557. PMID: 39994410, DOI: 10.1038/s41593-024-01865-3.Peer-Reviewed Original ResearchConceptsNeural progenitor cellsCongenital hydrocephalusCSF dynamicsIncreased CSF productionDe novo mutationsFrequent monogenic causeEverolimus treatmentCSF shuntingNonsurgical treatmentPTEN mutationsAqueductal stenosisInhibitory interneuronsVentriculomegalyProgenitor cellsChoroid plexusMonogenic causeCortical networksIncreased survivalBrain ventriclesCortical deficitsNeural progenitorsGene PTENCSF productionNkx2.1PTEN
2024
Pathogenic variants in autism gene KATNAL2 cause hydrocephalus and disrupt neuronal connectivity by impairing ciliary microtubule dynamics
DeSpenza T, Singh A, Allington G, Zhao S, Lee J, Kiziltug E, Prina M, Desmet N, Dang H, Fields J, Nelson-Williams C, Zhang J, Mekbib K, Dennis E, Mehta N, Duy P, Shimelis H, Walsh L, Marlier A, Deniz E, Lake E, Constable R, Hoffman E, Lifton R, Gulledge A, Fiering S, Moreno-De-Luca A, Haider S, Alper S, Jin S, Kahle K, Luikart B. Pathogenic variants in autism gene KATNAL2 cause hydrocephalus and disrupt neuronal connectivity by impairing ciliary microtubule dynamics. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2314702121. PMID: 38916997, PMCID: PMC11228466, DOI: 10.1073/pnas.2314702121.Peer-Reviewed Original ResearchConceptsCongenital hydrocephalusCerebral ventriculomegalyPathogenic variantsPrefrontal pyramidal neuronsGenetic subsets of patientsDevelopment of ventriculomegalyRadial gliaSubsets of patientsHigh-frequency firingNeuronal connectivityHeterozygous germline variantsAutism spectrum disorderVentricular-subventricular zoneMicrotubule dynamicsImpaired spermatogenesisCSF shuntingExcitatory driveMicrotubule-severing ATPasePyramidal neuronsDisrupt neuronal connectivityGermline variantsVentriculomegalyCSF homeostasisDisrupt microtubule dynamicsPlanar cell polarity
2023
High-throughput functional analysis of autism genes in zebrafish identifies convergence in dopaminergic and neuroimmune pathways
Mendes H, Neelakantan U, Liu Y, Fitzpatrick S, Chen T, Wu W, Pruitt A, Jin D, Jamadagni P, Carlson M, Lacadie C, Enriquez K, Li N, Zhao D, Ijaz S, Sakai C, Szi C, Rooney B, Ghosh M, Nwabudike I, Gorodezky A, Chowdhury S, Zaheer M, McLaughlin S, Fernandez J, Wu J, Eilbott J, Vander Wyk B, Rihel J, Papademetris X, Wang Z, Hoffman E. High-throughput functional analysis of autism genes in zebrafish identifies convergence in dopaminergic and neuroimmune pathways. Cell Reports 2023, 42: 112243. PMID: 36933215, PMCID: PMC10277173, DOI: 10.1016/j.celrep.2023.112243.Peer-Reviewed Original ResearchConceptsGene lossFunctional analysisHigh-throughput functional analysisZebrafish mutantsGene discoverySelect mutantsASD genesAutism genesKey pathwaysASD biologyBrain size differencesMutantsGenesSize differencesPathwayGlobal increaseRelevant mechanismsBiologyCentral challengeNeuroimmune dysfunctionRegionFunctionDiscoveryAutism spectrum disorder
2021
PTEN mutations in autism spectrum disorder and congenital hydrocephalus: developmental pleiotropy and therapeutic targets
DeSpenza T, Carlson M, Panchagnula S, Robert S, Duy PQ, Mermin-Bunnell N, Reeves BC, Kundishora A, Elsamadicy AA, Smith H, Ocken J, Alper SL, Jin SC, Hoffman EJ, Kahle KT. PTEN mutations in autism spectrum disorder and congenital hydrocephalus: developmental pleiotropy and therapeutic targets. Trends In Neurosciences 2021, 44: 961-976. PMID: 34625286, PMCID: PMC8692171, DOI: 10.1016/j.tins.2021.08.007.Peer-Reviewed Original ResearchConceptsDevelopmental pleiotropyPTEN-PI3KMTOR pathwayMolecular pathophysiologyPTEN mutationsMolecular similarityTherapeutic targetCommon underlying mechanismNeurodevelopmental disordersUnderlying mechanismTherapeutic promisePleiotropyBiologyPhenotypicMutationsLimited understandingPathwayCommon neurodevelopmental disorderAutism spectrum disorderSimilarityTargetA simple and effective F0 knockout method for rapid screening of behaviour and other complex phenotypes
Kroll F, Powell GT, Ghosh M, Gestri G, Antinucci P, Hearn TJ, Tunbak H, Lim S, Dennis HW, Fernandez JM, Whitmore D, Dreosti E, Wilson SW, Hoffman EJ, Rihel J. A simple and effective F0 knockout method for rapid screening of behaviour and other complex phenotypes. ELife 2021, 10: e59683. PMID: 33416493, PMCID: PMC7793621, DOI: 10.7554/elife.59683.Peer-Reviewed Original ResearchConceptsKnockout methodComplex mutant phenotypesLarge genetic screenRapid genetic screeningGenetic screenMutant phenotypeEffective CRISPRBiallelic knockoutMolecular rhythmsHuman genesInjected embryosCircadian clockLarval zebrafishBehavioral phenotypesMultiple genesComplex phenotypesCurrent CRISPRTriple knockoutAttractive modelGenesGenetic contributionZebrafishPhenotypeKnockoutCRISPR
2016
Zebrafish: A Translational Model System for Studying Neuropsychiatric Disorders
Ijaz S, Hoffman EJ. Zebrafish: A Translational Model System for Studying Neuropsychiatric Disorders. Journal Of The American Academy Of Child & Adolescent Psychiatry 2016, 55: 746-748. PMID: 27566113, PMCID: PMC5521170, DOI: 10.1016/j.jaac.2016.06.008.Peer-Reviewed Original ResearchEstrogens Suppress a Behavioral Phenotype in Zebrafish Mutants of the Autism Risk Gene, CNTNAP2
Hoffman EJ, Turner KJ, Fernandez JM, Cifuentes D, Ghosh M, Ijaz S, Jain RA, Kubo F, Bill BR, Baier H, Granato M, Barresi MJ, Wilson SW, Rihel J, State MW, Giraldez AJ. Estrogens Suppress a Behavioral Phenotype in Zebrafish Mutants of the Autism Risk Gene, CNTNAP2. Neuron 2016, 89: 725-733. PMID: 26833134, PMCID: PMC4766582, DOI: 10.1016/j.neuron.2015.12.039.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, Genetically ModifiedAutistic DisorderDisease Models, AnimalEstrogensGene Expression RegulationGenisteinGreen Fluorescent ProteinsHumansLarvaLuminescent ProteinsMembrane ProteinsMotor ActivityMutationNerve Tissue ProteinsPhenotypePhytoestrogensPsychotropic DrugsSeizuresSleep-Wake Transition DisordersVesicular Glutamate Transport Protein 2Zebrafish
2013
Coexpression Networks Implicate Human Midfetal Deep Cortical Projection Neurons in the Pathogenesis of Autism
Willsey AJ, Sanders SJ, Li M, Dong S, Tebbenkamp AT, Muhle RA, Reilly SK, Lin L, Fertuzinhos S, Miller JA, Murtha MT, Bichsel C, Niu W, Cotney J, Ercan-Sencicek AG, Gockley J, Gupta AR, Han W, He X, Hoffman EJ, Klei L, Lei J, Liu W, Liu L, Lu C, Xu X, Zhu Y, Mane SM, Lein ES, Wei L, Noonan JP, Roeder K, Devlin B, Sestan N, State MW. Coexpression Networks Implicate Human Midfetal Deep Cortical Projection Neurons in the Pathogenesis of Autism. Cell 2013, 155: 997-1007. PMID: 24267886, PMCID: PMC3995413, DOI: 10.1016/j.cell.2013.10.020.Peer-Reviewed Original ResearchConceptsCoexpression networkASD genesComplex developmental syndromeGenome-wide sequencingCortical projection neuronsHigh-confidence ASD genesExpression data setsPleiotropic genesSpecific genesDevelopmental processesDevelopmental syndromesSequencing studiesGenesProjection neuronsCell typesBrain regionsType mutationsCommon phenotypeASD pathophysiologyPathogenesis of autismAutism spectrum disorderMutationsHuman brain regionsUnknown etiologyRecent studies
2010
Selection-free zinc-finger-nuclease engineering by context-dependent assembly (CoDA)
Sander JD, Dahlborg EJ, Goodwin MJ, Cade L, Zhang F, Cifuentes D, Curtin SJ, Blackburn JS, Thibodeau-Beganny S, Qi Y, Pierick CJ, Hoffman E, Maeder ML, Khayter C, Reyon D, Dobbs D, Langenau DM, Stupar RM, Giraldez AJ, Voytas DF, Peterson RT, Yeh JR, Joung JK. Selection-free zinc-finger-nuclease engineering by context-dependent assembly (CoDA). Nature Methods 2010, 8: 67-69. PMID: 21151135, PMCID: PMC3018472, DOI: 10.1038/nmeth.1542.Peer-Reviewed Original Research
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