2023
Identification of a Novel Gene Regulatory Element in Human Erythroid Progenitor Cells
Schulz V, Lezon-Geyda K, Shan P, Papoin J, Narla M, Steiner L, Blanc L, Palis J, Gallagher P. Identification of a Novel Gene Regulatory Element in Human Erythroid Progenitor Cells. Blood 2023, 142: 9. DOI: 10.1182/blood-2023-186046.Peer-Reviewed Original ResearchErythroid progenitor cellsActive enhancersEarly erythropoiesisChIP-seqRegulatory elementsGene expressionATAC-seqRUNX motifsGATA motifSingle nucleotide polymorphismsProgenitor cellsGATA1 bindingDisease genesEnhancer regionErythroid lineageTissue-specific transcription factorsNovel gene regulatory elementsNovel enhancer regionErythrocyte traitsGenome-wide association studiesDirect tissue-specific expressionNovel regulatory elementGene regulatory elementsHuman erythroid progenitor cellsTerminal erythroid differentiation
2019
Terminal Erythroid Maturation Is Associated with Dynamic Changes in the Abundance of Histone Marks Associated with Active Transcription Elongation and RNA Polymerase II Pausing
Murphy Z, Couch T, Lillis J, Getman M, Lezon-Geyda K, Schulz V, Narla M, Gallagher P, Steiner L. Terminal Erythroid Maturation Is Associated with Dynamic Changes in the Abundance of Histone Marks Associated with Active Transcription Elongation and RNA Polymerase II Pausing. Blood 2019, 134: 154. DOI: 10.1182/blood-2019-129561.Peer-Reviewed Original ResearchRNA polymerase II pausingTerminal erythroid maturationPol IIC-terminal domainErythroid maturationGene expressionTranscription elongationPosttranslational modificationsSpecific histone posttranslational modificationsPol II C-terminal domainRNA polymerase II pause releaseKey regulatorHistone H4 lysine 16 acetylationHistone H4 lysine 20Histone post-translational modificationsH4 lysine 16 acetylationHistone H3 lysine 79H4 lysine 20Histone posttranslational modificationsRNA Pol IIH3 lysine 79Multiple histone marksPost-translational modificationsTranscription start siteChIP-seq data
2013
Enhancers and Super Enhancers Are Associated With Genes That Control Phenotypic Traits In Primary Human Erythroid Cells
Schulz V, Lezon-Geyda K, Maksimova Y, Gallagher P. Enhancers and Super Enhancers Are Associated With Genes That Control Phenotypic Traits In Primary Human Erythroid Cells. Blood 2013, 122: 1200. DOI: 10.1182/blood.v122.21.1200.1200.Peer-Reviewed Original ResearchTranscriptional start siteRegulation of programsSuper enhancersErythroid cellsGene expressionErythroid enhancerTF motifsTranscription factorsHistone H3 lysine 4 monomethylationSpecific enhancersH3K27ac modificationGWAS catalogGene locusHistone H3 lysine 27 acetylationCell type-specific enhancersPrimary human erythroid cellsH3 lysine 27 acetylationAlpha-globin gene clusterDisease-associated genetic variantsGenome-wide mapsNHGRI GWAS catalogSubset of enhancersHundreds of kilobasesLysine 27 acetylationSpecialized cell types
2012
Identification of Biologicaly Relevant Enhancers in Human Erythroid Cells
Su M, Steiner L, Bogardus H, Schulz V, Hardison R, Gallagher P. Identification of Biologicaly Relevant Enhancers in Human Erythroid Cells. Blood 2012, 120: 368. DOI: 10.1182/blood.v120.21.368.368.Peer-Reviewed Original ResearchTranscriptional start siteHuman erythroid cellsCell type-specific enhancersErythroid transcription factorsErythroid-specific genesTranscription factorsErythroid cellsCandidate enhancersSpecific enhancersSignificant enrichmentGene expressionPrimary human erythroid cellsRegulation of programsDisease-associated genetic variantsGenome-wide mapsHundreds of kilobasesSpecialized cell typesTranscription factor sitesKb of genesGene expression analysisParallel gene expression analysisGenomic vicinityGenomic methodologiesEvolutionary analysisHigh conservation
2010
Dynamic CO-Localization of GATA1, NFE2, and EKLF and Changes in Gene Expression During Hematopoiesis
Steiner L, Schulz V, Maksimova Y, Mahajan M, Bodine D, Gallagher P. Dynamic CO-Localization of GATA1, NFE2, and EKLF and Changes in Gene Expression During Hematopoiesis. Blood 2010, 116: 741. DOI: 10.1182/blood.v116.21.741.741.Peer-Reviewed Original ResearchErythroid cellsGene expressionTranscription factorsProximal promoterCell type-specific gene expressionHuman beta-globin gene locusBeta-globin gene locusErythrocyte membrane protein genesErythroid-expressed genesGenome-wide scaleGlobin gene locusDNA-protein interactionsHuman primary erythroid cellsNF-E2Primary erythroid cellsMembrane protein geneSpecific gene expressionCritical regulatory elementsPrimary hematopoietic stemCommon regulatory siteUltrahigh-throughput sequencingLineage choiceChromatin immunoprecipitationCoordinated bindingEKLF
2009
Genome-Wide Profiling of Archived Material from CALGB 9840 and 9342 for Paclitaxel (P) and Trastuzumab (T) Response Biomarkers Using Gene Expression and Copy Number Analysis.
Harris L, Parker J, Broadwater G, Schulz V, Halligan K, Geyda K, Seidman A, Berry D, Winer E, Hudis C, Krasnitz A, Hicks J, Tuck D, Perou C. Genome-Wide Profiling of Archived Material from CALGB 9840 and 9342 for Paclitaxel (P) and Trastuzumab (T) Response Biomarkers Using Gene Expression and Copy Number Analysis. Cancer Research 2009, 69: 4032-4032. DOI: 10.1158/0008-5472.sabcs-09-4032.Peer-Reviewed Original ResearchGene expressionGenome-wide profilingPatterns of Monomethylation of Histone H3 Lysine 27 Influence Gene Expression in a Cell-Type Specific Manner.
Steiner L, Schulz V, Maksimova Y, Wong C, Tuck D, Gallagher P. Patterns of Monomethylation of Histone H3 Lysine 27 Influence Gene Expression in a Cell-Type Specific Manner. Blood 2009, 114: 4585. DOI: 10.1182/blood.v114.22.4585.4585.Peer-Reviewed Original ResearchTranscription start siteNon-erythroid cellsPost-translational histone modificationsHistone H3 lysine 27Cell type-specific mannerH3 lysine 27Gene expressionGene repressionHistone modificationsActive transcriptionLysine 27Start siteHistone H3 lysine 4Expression arraysHistone H3 lysine 9Beta-globin locusH3 lysine 4Regions of heterochromatinH3 lysine 9Influence gene expressionMRNA transcript analysisType-specific mannerCell-type specificGene expression variesChromatin architectureEBNA1—A virally encoded protein binds cellular host promoters in a unique sequence and directly interferes with cellular gene expression. Implications for genomics approaches in drug design
Canaan A, Schulz V, Mahajan M, Urban A, Weissman S. EBNA1—A virally encoded protein binds cellular host promoters in a unique sequence and directly interferes with cellular gene expression. Implications for genomics approaches in drug design. Antiviral Research 2009, 82: a69-a70. DOI: 10.1016/j.antiviral.2009.02.171.Peer-Reviewed Original Research