2021
Single-cell longitudinal analysis of SARS-CoV-2 infection in human airway epithelium identifies target cells, alterations in gene expression, and cell state changes
Ravindra NG, Alfajaro MM, Gasque V, Huston NC, Wan H, Szigeti-Buck K, Yasumoto Y, Greaney AM, Habet V, Chow RD, Chen JS, Wei J, Filler RB, Wang B, Wang G, Niklason LE, Montgomery RR, Eisenbarth SC, Chen S, Williams A, Iwasaki A, Horvath TL, Foxman EF, Pierce RW, Pyle AM, van Dijk D, Wilen CB. Single-cell longitudinal analysis of SARS-CoV-2 infection in human airway epithelium identifies target cells, alterations in gene expression, and cell state changes. PLOS Biology 2021, 19: e3001143. PMID: 33730024, PMCID: PMC8007021, DOI: 10.1371/journal.pbio.3001143.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionSARS-CoV-2Human bronchial epithelial cellsInterferon-stimulated genesCell state changesAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSyndrome coronavirus 2 infectionCell tropismCoronavirus 2 infectionCoronavirus disease 2019Onset of infectionCell-intrinsic expressionCourse of infectionAir-liquid interface culturesHost-viral interactionsBronchial epithelial cellsSingle-cell RNA sequencingCell typesIL-1Disease 2019Human airwaysDevelopment of therapeuticsDrug AdministrationViral replicationDefective autophagy in Sf1 neurons perturbs the metabolic response to fasting and causes mitochondrial dysfunction
Coupé B, Leloup C, Asiedu K, Maillard J, Pénicaud L, Horvath TL, Bouret SG. Defective autophagy in Sf1 neurons perturbs the metabolic response to fasting and causes mitochondrial dysfunction. Molecular Metabolism 2021, 47: 101186. PMID: 33571700, PMCID: PMC7907893, DOI: 10.1016/j.molmet.2021.101186.Peer-Reviewed Original ResearchConceptsLoss of Atg7Energy homeostasisCellular homeostasisGene Atg7Defective autophagyMitochondria morphologyPhysiological processesCellular responsesCellular componentsMetabolic responseMitochondrial dysfunctionAutophagyAtg7SF1 neuronsHomeostasisMutant miceNeurons displayLoxP/Energy expenditure regulationImportant roleVMH neuronsVentromedial nucleusLeptin sensitivityStarvationCentral response
2019
Mitofusin 2 in Mature Adipocytes Controls Adiposity and Body Weight
Mancini G, Pirruccio K, Yang X, Blücher M, Rodeheffer M, Horvath TL. Mitofusin 2 in Mature Adipocytes Controls Adiposity and Body Weight. Cell Reports 2019, 26: 2849-2858.e4. PMID: 30865877, PMCID: PMC6876693, DOI: 10.1016/j.celrep.2019.02.039.Peer-Reviewed Original ResearchConceptsKnockout miceBody weightMitochondria-endoplasmic reticulum interactionSystemic metabolic dysregulationImpaired glucose metabolismHigh-fat dietObese human subjectsCalorie-dense foodsMitofusin 2Control miceStandard chowLean controlsMetabolic dysregulationFood intakeAdult miceGlucose metabolismStandard dietAdipose tissueBrown fatGlucose utilizationAdiposityTissue levelsSystemic levelsMiceAdult animals
2017
Molecular and cellular reorganization of neural circuits in the human lineage
Sousa AMM, Zhu Y, Raghanti MA, Kitchen RR, Onorati M, Tebbenkamp ATN, Stutz B, Meyer KA, Li M, Kawasawa YI, Liu F, Perez RG, Mele M, Carvalho T, Skarica M, Gulden FO, Pletikos M, Shibata A, Stephenson AR, Edler MK, Ely JJ, Elsworth JD, Horvath TL, Hof PR, Hyde TM, Kleinman JE, Weinberger DR, Reimers M, Lifton RP, Mane SM, Noonan JP, State MW, Lein ES, Knowles JA, Marques-Bonet T, Sherwood CC, Gerstein MB, Sestan N. Molecular and cellular reorganization of neural circuits in the human lineage. Science 2017, 358: 1027-1032. PMID: 29170230, PMCID: PMC5776074, DOI: 10.1126/science.aan3456.Peer-Reviewed Original ResearchConceptsSingle-cell transcriptomic dataDistinct functional categoriesDistinct cell typesBiosynthesis genesTranscriptome sequencingHuman lineageTranscriptomic dataFunctional categoriesCellular reorganizationExpression differencesPhylogenetic reorganizationFunctional analysisCell typesGenesCellular featuresCellular differencesHuman specificityNeural circuitsLineagesMultiple levelsReorganizationSequencingHumansChimpanzeesAdult humans
2012
Modeling human cortical development in vitro using induced pluripotent stem cells
Mariani J, Simonini MV, Palejev D, Tomasini L, Coppola G, Szekely AM, Horvath TL, Vaccarino FM. Modeling human cortical development in vitro using induced pluripotent stem cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 12770-12775. PMID: 22761314, PMCID: PMC3411972, DOI: 10.1073/pnas.1202944109.Peer-Reviewed Original ResearchConceptsHuman brain developmentHuman induced pluripotent stem cellsLayer-specific cortical neuronsBrain developmentHuman cerebral cortexHuman cortical developmentStem cellsPluripotent stem cellsCerebral cortexCortical neuronsCortical developmentCNS regionsRadial gliaCortical wallDorsal telencephalonEmbryonic telencephalonGene expression profilesInduced pluripotent stem cellsIntermediate progenitorsTelencephalic developmentTelencephalonExpression profilesTranscriptional programsCellsGlia