2022
A neural stem cell paradigm of pediatric hydrocephalus
Duy PQ, Rakic P, Alper SL, Robert SM, Kundishora AJ, Butler WE, Walsh CA, Sestan N, Geschwind DH, Jin SC, Kahle KT. A neural stem cell paradigm of pediatric hydrocephalus. Cerebral Cortex 2022, 33: 4262-4279. PMID: 36097331, PMCID: PMC10110448, DOI: 10.1093/cercor/bhac341.Peer-Reviewed Original ResearchConceptsPediatric hydrocephalusPrimary treatment strategyOptimal surgical managementDevelopmental brain malformationsAnimal model studiesSurgical managementCerebral ventricleCSF diversionVentricular distentionHydrocephalic childrenTreatment strategiesBrain malformationsNeurodevelopmental disabilitiesGerminal neuroepitheliumHydrocephalusStem cell paradigmNeural stem cell fateRecent human geneticBrain surgeryCSF circulationBrain ventriclesCSF volumeNeuroprogenitor cellsBrain defectsCSF homeostasisCellular recovery after prolonged warm ischaemia of the whole body
Andrijevic D, Vrselja Z, Lysyy T, Zhang S, Skarica M, Spajic A, Dellal D, Thorn SL, Duckrow RB, Ma S, Duy PQ, Isiktas AU, Liang D, Li M, Kim SK, Daniele SG, Banu K, Perincheri S, Menon MC, Huttner A, Sheth KN, Gobeske KT, Tietjen GT, Zaveri HP, Latham SR, Sinusas AJ, Sestan N. Cellular recovery after prolonged warm ischaemia of the whole body. Nature 2022, 608: 405-412. PMID: 35922506, PMCID: PMC9518831, DOI: 10.1038/s41586-022-05016-1.Peer-Reviewed Original ResearchConceptsSingle-nucleus transcriptomic analysesSpecific gene expression patternsCellular recoveryGene expression patternsCellular processesMammalian cellsTranscriptomic analysisLarge mammalsExpression patternsCellular repair processesCell deathComprehensive resourceUnderappreciated potentialPhysiological challengesTissue integrityRepair processSpecific changesPorcine brainMammalsOrgansMultiple organsImpaired neurogenesis alters brain biomechanics in a neuroprogenitor-based genetic subtype of congenital hydrocephalus
Duy PQ, Weise SC, Marini C, Li XJ, Liang D, Dahl PJ, Ma S, Spajic A, Dong W, Juusola J, Kiziltug E, Kundishora AJ, Koundal S, Pedram MZ, Torres-Fernández LA, Händler K, De Domenico E, Becker M, Ulas T, Juranek SA, Cuevas E, Hao LT, Jux B, Sousa AMM, Liu F, Kim SK, Li M, Yang Y, Takeo Y, Duque A, Nelson-Williams C, Ha Y, Selvaganesan K, Robert SM, Singh AK, Allington G, Furey CG, Timberlake AT, Reeves BC, Smith H, Dunbar A, DeSpenza T, Goto J, Marlier A, Moreno-De-Luca A, Yu X, Butler WE, Carter BS, Lake EMR, Constable RT, Rakic P, Lin H, Deniz E, Benveniste H, Malvankar NS, Estrada-Veras JI, Walsh CA, Alper SL, Schultze JL, Paeschke K, Doetzlhofer A, Wulczyn FG, Jin SC, Lifton RP, Sestan N, Kolanus W, Kahle KT. Impaired neurogenesis alters brain biomechanics in a neuroprogenitor-based genetic subtype of congenital hydrocephalus. Nature Neuroscience 2022, 25: 458-473. PMID: 35379995, PMCID: PMC9664907, DOI: 10.1038/s41593-022-01043-3.Peer-Reviewed Original ResearchConceptsCongenital hydrocephalusCerebral ventricular dilatationPrimary defectNeuroepithelial cell differentiationRisk genesCerebrospinal fluid homeostasisWhole-exome sequencingNeuroepithelial stem cellsCortical hypoplasiaReduced neurogenesisVentricular dilatationVentricular enlargementCH mutationsPrenatal hydrocephalusDisease heterogeneityBrain surgeryCSF circulationHydrocephalusGenetic subtypesFluid homeostasisNeuroepithelial cellsNovo mutationsBrain transcriptomicsStem cellsCell differentiation
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 disorderSimilarityTarget
2020
Light Has Diverse Spatiotemporal Molecular Changes in the Mouse Suprachiasmatic Nucleus
Duy PQ, Komal R, Richardson MES, Hahm KS, Fernandez DC, Hattar S. Light Has Diverse Spatiotemporal Molecular Changes in the Mouse Suprachiasmatic Nucleus. Journal Of Biological Rhythms 2020, 35: 576-587. PMID: 33030409, PMCID: PMC10046259, DOI: 10.1177/0748730420961214.Peer-Reviewed Original ResearchPreclinical insights into therapeutic targeting of KCC2 for disorders of neuronal hyperexcitability
Duy PQ, He M, He Z, Kahle KT. Preclinical insights into therapeutic targeting of KCC2 for disorders of neuronal hyperexcitability. Expert Opinion On Therapeutic Targets 2020, 24: 629-637. PMID: 32336175, PMCID: PMC8104019, DOI: 10.1080/14728222.2020.1762174.Peer-Reviewed Original ResearchConceptsNeuronal hyperexcitabilityKCC2 functionSynaptic inhibitionKCC2 activityPreclinical insightsRole of KCC2Treatment of epilepsyCommon neurological disorderNovel therapeutic strategiesPotential adverse effectsDrug targetsKCC2 dysfunctionSeizure reductionUnprovoked seizuresIntractable epilepsySeizure activityEpilepsy therapyCotransporter KCC2Clinical urgencyPreclinical proofTherapeutic benefitTherapeutic strategiesNew drug targetsTherapeutic targetingKCC2Retinal innervation tunes circuits that drive nonphotic entrainment to food
Fernandez DC, Komal R, Langel J, Ma J, Duy PQ, Penzo MA, Zhao H, Hattar S. Retinal innervation tunes circuits that drive nonphotic entrainment to food. Nature 2020, 581: 194-198. PMID: 32404998, PMCID: PMC7291822, DOI: 10.1038/s41586-020-2204-1.Peer-Reviewed Original ResearchConceptsTime-restricted feedingEarly postnatal stagesPostnatal stagesAdult miceIntergeniculate leafletPhotosensitive retinal ganglion cellsRetinal ganglion cellsEarly postnatal periodFood anticipatory activityIGL neuronsGanglion cellsPostnatal periodRetinal inputIpRGCsAcute inhibitionCentral circadian pacemakerPhotic informationTime cuesMajor time cueSuprachiasmatic nucleusInnervationNonphotic cuesMiceNeuronsNonphotic entrainmentInflammation in acquired hydrocephalus: pathogenic mechanisms and therapeutic targets
Karimy JK, Reeves BC, Damisah E, Duy PQ, Antwi P, David W, Wang K, Schiff SJ, Limbrick DD, Alper SL, Warf BC, Nedergaard M, Simard JM, Kahle KT. Inflammation in acquired hydrocephalus: pathogenic mechanisms and therapeutic targets. Nature Reviews Neurology 2020, 16: 285-296. PMID: 32152460, PMCID: PMC7375440, DOI: 10.1038/s41582-020-0321-y.Peer-Reviewed Original ResearchConceptsPosthaemorrhagic hydrocephalusPostinfectious hydrocephalusNeurosurgical disordersPathogenic mechanismsToll-like receptor 4Pathogenesis of hydrocephalusImportant protective responseEpendymal denudationCommon neurosurgical disorderSustained inflammationInflammatory mediatorsNeuroinflammatory conditionsImmune cellsReceptor 4Therapeutic approachesReparative inflammationCerebrospinal fluidCSF pathwaysHydrocephalusTherapeutic targetInflammationTherapeutic interventionsBrain ventriclesProtective responsePhysical irritants