Featured Publications
A local regulatory T cell feedback circuit maintains immune homeostasis by pruning self-activated T cells
Wong H, Park K, Gola A, Baptista A, Miller C, Deep D, Lou M, Boyd L, Rudensky A, Savage P, Altan-Bonnet G, Tsang J, Germain R. A local regulatory T cell feedback circuit maintains immune homeostasis by pruning self-activated T cells. Cell 2021, 184: 3981-3997.e22. PMID: 34157301, PMCID: PMC8390950, DOI: 10.1016/j.cell.2021.05.028.Peer-Reviewed Original Research
2021
Pre-existing chromatin accessibility and gene expression differences among naive CD4+ T cells influence effector potential
Rogers D, Sood A, Wang H, van Beek J, Rademaker T, Artusa P, Schneider C, Shen C, Wong D, Bhagrath A, Lebel M, Condotta S, Richer M, Martins A, Tsang J, Barreiro L, François P, Langlais D, Melichar H, Textor J, Mandl J. Pre-existing chromatin accessibility and gene expression differences among naive CD4+ T cells influence effector potential. Cell Reports 2021, 37: 110064. PMID: 34852223, DOI: 10.1016/j.celrep.2021.110064.Peer-Reviewed Original ResearchConceptsSingle-cell RNA sequencingGene expression differencesCell receptor signalingChromatin accessibilityLineage choiceTCR signal strengthCell chromatinTranscriptional differencesRNA sequencingExpression differencesReceptor signalingLandscape differencesEffector potentialEffector lineagesThymic developmentCellsNaive CD4Self-peptide MHCChromatinCognate antigenLineagesGenesSignalingTCR interactionsKey drivers
2020
Prevalence and pathogenicity of autoantibodies in patients with idiopathic CD4 lymphopenia
Perez-Diez A, Wong C, Liu X, Mystakelis H, song J, Lu Y, Sheikh V, Bourgeois J, Lisco A, Laidlaw E, Cudrici C, Zhu C, Li Q, Freeman A, Williamson P, Anderson M, Roby G, Tsang J, Siegel R, Sereti I. Prevalence and pathogenicity of autoantibodies in patients with idiopathic CD4 lymphopenia. Journal Of Clinical Investigation 2020, 130: 5326-5337. PMID: 32634122, PMCID: PMC7524466, DOI: 10.1172/jci136254.Peer-Reviewed Original ResearchConceptsAb-dependent cell-mediated cytotoxicityComplement-dependent cytotoxicityT cellsCD4 lymphopeniaICL patientsWhole cohortIdiopathic CD4 lymphopeniaLysis of CD4Multitude of autoantibodiesCell-mediated cytotoxicityNovel therapeutic targetPathogenicity of autoantibodiesClassical complement activationClassical complement pathwayCausal infectionLow CD4Anti-CD4Opportunistic infectionsAutoimmune diseasesComplement depositionImmune deficiencyConclusionOur dataHigh prevalencePatient seraCD4