2022
PPARγ phase separates with RXRα at PPREs to regulate target gene expression
Li Z, Luo L, Yu W, Li P, Ou D, Liu J, Ma H, Sun Q, Liang A, Huang C, Chi T, Huang X, Zhang Y. PPARγ phase separates with RXRα at PPREs to regulate target gene expression. Cell Discovery 2022, 8: 37. PMID: 35473936, PMCID: PMC9043196, DOI: 10.1038/s41421-022-00388-0.Peer-Reviewed Original ResearchPPAR response elementNuclear condensatesTranscriptional activationPPRE siteZinc finger motifsDNA binding domainsKey transcription activatorSpecific transcriptional activationTarget gene expressionPPARγ/RXRαRetinoid X receptor αPPARγ target genesFinger motifPhase-separated dropletsTranscription activatorTranscriptional responseObligate heterodimersTarget genesX receptor αBinding domainsGene expressionResponse elementPeroxisome proliferator-activated receptorNovel mechanismProliferator-activated receptor
2013
Inducible mouse models illuminate parameters influencing epigenetic inheritance
Wan M, Gu H, Wang J, Huang H, Zhao J, Kaundal RK, Yu M, Kushwaha R, Chaiyachati BH, Deerhake E, Chi T. Inducible mouse models illuminate parameters influencing epigenetic inheritance. Development 2013, 140: 843-852. PMID: 23325759, PMCID: PMC3557779, DOI: 10.1242/dev.088229.Peer-Reviewed Original ResearchConceptsTransgenerational inheritanceEpigenetic perturbationsModification patternsChromatin modification patternsRepressive chromatin modificationsAberrant epigenetic modificationsTarget gene sequenceMitotic inheritanceChromatin modificationsEpigenetic inheritanceEpigenetic stateMetastable epiallelesEpigenetic modificationsTranscription factorsGene sequencesDNA sequencesEpigenetic programmingTarget genesCOL1A1 locusFetal epigenomeExtraordinary malleabilityPleiotropic effectsInducible mouse modelEpigenomeTransient manipulationBRG1‐mediated immune tolerance: facilitation of Treg activation and partial independence of chromatin remodelling
Chaiyachati BH, Jani A, Wan Y, Huang H, Flavell R, Chi T. BRG1‐mediated immune tolerance: facilitation of Treg activation and partial independence of chromatin remodelling. The EMBO Journal 2013, 32: 395-408. PMID: 23321680, PMCID: PMC3567501, DOI: 10.1038/emboj.2012.350.Peer-Reviewed Original ResearchConceptsTreg activationRegulatory T cellsSeverity of inflammationChemokine receptor genesT-cell lineageΑβ T cell lineagesCD4 cellsSuppress autoimmunityProinflammatory roleImmune toleranceFatal inflammationT cellsInflammatory cuesTregsInflammationBrg1 deletionReceptor geneChromatin-remodelling factor BRG1Activation levelsActivationCell lineagesTarget genesATPase activityPoint mutationsCells
2009
Induction of TLR4-target genes entails calcium/calmodulin-dependent regulation of chromatin remodeling
Lai D, Wan M, Wu J, Preston-Hurlburt P, Kushwaha R, Grundström T, Imbalzano AN, Chi T. Induction of TLR4-target genes entails calcium/calmodulin-dependent regulation of chromatin remodeling. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 1169-1174. PMID: 19164553, PMCID: PMC2633529, DOI: 10.1073/pnas.0811274106.Peer-Reviewed Original ResearchConceptsCalcium/CaMChromatin remodelingBAF complexSWI/SNF-like BAF chromatinTarget genesDominant negative mutantCalcium/calmodulinCalmodulin-dependent regulationHMG domainBAF chromatinCaM-binding peptideNegative mutantGene expressionCaM antagonistsGenesToll-like receptor 4ChromatinRegulationRemodelingRecruitmentComplexesBAF57RNAiMutantsInduction
2008
A novel genetic strategy reveals unexpected roles of the Swi–Snf–like chromatin-remodeling BAF complex in thymocyte development
Jani A, Wan M, Zhang J, Cui K, Wu J, Preston-Hurlburt P, Khatri R, Zhao K, Chi T. A novel genetic strategy reveals unexpected roles of the Swi–Snf–like chromatin-remodeling BAF complex in thymocyte development. Journal Of Experimental Medicine 2008, 205: 2813-2825. PMID: 18955569, PMCID: PMC2585832, DOI: 10.1084/jem.20080938.Peer-Reviewed Original ResearchConceptsPoint mutantsUnexpected roleImportant gene functionsThymocyte developmentNovel genetic strategyPoint mutationsEarly thymocyte developmentMammalian geneticsChromatin templatesSWI-SNFBAF complexGene functionATPase subunitsDeletion mutantsFactor complexCD4 locusTarget genesGenetic strategiesCD4 activationMutantsNovel activityPhysical interactionDeletionBRGMutations