Featured Publications
Single-cell transcriptome landscape of circulating CD4+ T cell populations in autoimmune diseases
Yasumizu Y, Takeuchi D, Morimoto R, Takeshima Y, Okuno T, Kinoshita M, Morita T, Kato Y, Wang M, Motooka D, Okuzaki D, Nakamura Y, Mikami N, Arai M, Zhang X, Kumanogoh A, Mochizuki H, Ohkura N, Sakaguchi S. Single-cell transcriptome landscape of circulating CD4+ T cell populations in autoimmune diseases. Cell Genomics 2024, 4: 100473. PMID: 38359792, PMCID: PMC10879034, DOI: 10.1016/j.xgen.2023.100473.Peer-Reviewed Original ResearchConceptsGene programSingle-cell transcriptomic landscapeSingle-cell datasetsCell subpopulationsTranscriptional programsTranscriptomic characterizationCD4<sup>+</sup> T-cell subpopulationsCD4<sup>+</sup> T cellsCellular heterogeneityT cell subpopulationsAutoimmune diseasesCell heterogeneityT cellsPeripheral CD4<sup>+</sup> T cellsCell populationsCD4+ T cell populationCanonical clustersCellsT cell populationsQualitative alterationsT cell heterogeneityGenesSubpopulationsClinical statusCell frequencyRegulatory T Cell-Specific Epigenomic Region Variants Are a Key Determinant of Susceptibility to Common Autoimmune Diseases
Ohkura N, Yasumizu Y, Kitagawa Y, Tanaka A, Nakamura Y, Motooka D, Nakamura S, Okada Y, Sakaguchi S. Regulatory T Cell-Specific Epigenomic Region Variants Are a Key Determinant of Susceptibility to Common Autoimmune Diseases. Immunity 2020, 52: 1119-1132.e4. PMID: 32362325, DOI: 10.1016/j.immuni.2020.04.006.Peer-Reviewed Original ResearchMeSH KeywordsAutoimmune DiseasesBiomarkersCell DifferentiationComputational BiologyCpG IslandsDNA MethylationEpigenesis, GeneticEpigenomicsGene Expression ProfilingGenetic Predisposition to DiseaseGenetic VariationHumansImmunophenotypingPolymorphism, Single NucleotideT-Lymphocyte SubsetsT-Lymphocytes, RegulatoryTranscriptomeConceptsCommon autoimmune diseasesSingle-nucleotide polymorphismsSusceptibility to common autoimmune diseasesCell-specific gene transcriptionGenome-wide epigenetic profilingAssociated with common autoimmune diseasesAssociated with transcriptionPolygenic autoimmune diseasesTreg cellsDemethylated regionCpG hypomethylationSuper-enhancersAutoimmune diseasesDeterminants of susceptibilityEpigenetic modificationsEpigenetic profilesGene transcriptionEpigenetic changesTreg-cell-specific demethylated regionNaive Treg cellsNatural Treg cellsRegional variantsTranscriptionActive stateCells
2022
High cell surface expression and peptide binding affinity of HLA-DQA1*05:03, a susceptible allele of neuromyelitis optica spectrum disorders (NMOSD)
Beppu S, Kinoshita M, Wilamowski J, Suenaga T, Yasumizu Y, Ogawa K, Ishikura T, Tada S, Koda T, Murata H, Shiraishi N, Sugiyama Y, Kihara K, Sugimoto T, Arase H, Standley D, Okuno T, Mochizuki H. High cell surface expression and peptide binding affinity of HLA-DQA1*05:03, a susceptible allele of neuromyelitis optica spectrum disorders (NMOSD). Scientific Reports 2022, 12: 106. PMID: 34997058, PMCID: PMC8742014, DOI: 10.1038/s41598-021-04074-1.Peer-Reviewed Original ResearchConceptsNeuromyelitis optica spectrum disorderPeptide major histocompatibility complexDevelopment of neuromyelitis optica spectrum disorderAnti-aquaporin-4HLA-DQA1Associated with neuromyelitis optica spectrum disordersHigh cell surface expressionJapanese patient cohortPresence of pathogenic autoantibodiesCell surface expression levelsRelapsing autoimmune diseaseHLA-DQA1 allelesCell surface expressionSurface expression levelsAQP4 peptidesMajor histocompatibility complexAnti-aquaporinPathogenic autoantibodiesHLA-DQPatient cohortAutoimmune diseasesPathogenic roleSurface expressionIn silico 3D structure modelingHistocompatibility complex