Featured Publications
A multiple sclerosis–protective coding variant reveals an essential role for HDAC7 in regulatory T cells
Axisa P, Yoshida T, Lucca L, Kasler H, Lincoln M, Pham G, Del Priore D, Carpier J, Lucas C, Verdin E, Sumida T, Hafler D. A multiple sclerosis–protective coding variant reveals an essential role for HDAC7 in regulatory T cells. Science Translational Medicine 2022, 14: eabl3651. PMID: 36516268, DOI: 10.1126/scitranslmed.abl3651.Peer-Reviewed Original ResearchConceptsExperimental autoimmune encephalitisRegulatory T cellsHistone deacetylase 7Multiple sclerosisT cellsMouse modelFunction of Foxp3CD4 T cellsHigher suppressive capacityVivo modelingAutoimmune encephalitisEAE severityImmunosuppressive subsetAutoimmune diseasesImmunomodulatory roleSuppressive capacityImmune cellsDisease onsetDistinct molecular classesSusceptibility lociGenetic susceptibility lociSingle-cell RNA sequencingDisease riskPatient samplesProtective variantsComplement C1q-induced activation of β-catenin signalling causes hypertensive arterial remodelling
Sumida T, Naito AT, Nomura S, Nakagawa A, Higo T, Hashimoto A, Okada K, Sakai T, Ito M, Yamaguchi T, Oka T, Akazawa H, Lee JK, Minamino T, Offermanns S, Noda T, Botto M, Kobayashi Y, Morita H, Manabe I, Nagai T, Shiojima I, Komuro I. Complement C1q-induced activation of β-catenin signalling causes hypertensive arterial remodelling. Nature Communications 2015, 6: 6241. PMID: 25716000, PMCID: PMC4351572, DOI: 10.1038/ncomms7241.Peer-Reviewed Original ResearchConceptsVascular smooth muscle cellsProliferation of VSMCsArterial remodellingΒ-catenin signalingΒ-cateninComplement C1qBlood pressure elevationEnd-organ damageNovel therapeutic targetSmooth muscle cellsMacrophage depletionImmune cellsPrecise molecular mechanismsTherapeutic targetStructural remodellingMuscle cellsRemodellingHypertensionArteriosclerosisComplement C1ActivationC1qMolecular mechanismsSignalingGene deletion
2021
Tet2 Controls the Responses of β cells to Inflammation in Autoimmune Diabetes
Rui J, Deng S, Perdigoto AL, Ponath G, Kursawe R, Lawlor N, Sumida T, Levine-Ritterman M, Stitzel ML, Pitt D, Lu J, Herold KC. Tet2 Controls the Responses of β cells to Inflammation in Autoimmune Diabetes. Nature Communications 2021, 12: 5074. PMID: 34417463, PMCID: PMC8379260, DOI: 10.1038/s41467-021-25367-z.Peer-Reviewed Original ResearchConceptsImmune cellsΒ-cellsNOD/SCID recipientsDiabetogenic immune cellsDiabetogenic T cellsBone marrow transplantType 1 diabetesExpression of TET2Human β-cellsIslet infiltratesSCID recipientsMarrow transplantInflammatory pathwaysTransfer of diseaseT cellsInflammatory genesImmune killingPathologic interactionsReduced expressionDiabetesInflammationTET2MiceRecipientsCells
2018
Enhanced astrocyte responses are driven by a genetic risk allele associated with multiple sclerosis
Ponath G, Lincoln MR, Levine-Ritterman M, Park C, Dahlawi S, Mubarak M, Sumida T, Airas L, Zhang S, Isitan C, Nguyen TD, Raine CS, Hafler DA, Pitt D. Enhanced astrocyte responses are driven by a genetic risk allele associated with multiple sclerosis. Nature Communications 2018, 9: 5337. PMID: 30559390, PMCID: PMC6297228, DOI: 10.1038/s41467-018-07785-8.Peer-Reviewed Original ResearchConceptsMultiple sclerosisAstrocyte responseRisk variantsLocal autoimmune inflammationPeripheral immune cellsCentral nervous system cellsPeripheral immune systemCultured human astrocytesNervous system cellsNF-κB signalingCNS accessDysfunctional lymphocytesAstroglial functionAutoimmune inflammationLymphocytic infiltrateLymphocyte recruitmentImmune cellsGenetic risk allelesGenetic risk variantsMS lesionsMS susceptibilityHuman astrocytesLesion sizeImmune systemSystem cells