2023
Transcriptional responses of cancer cells to heat shock-inducing stimuli involve amplification of robust HSF1 binding
Dastidar S, De Kumar B, Lauckner B, Parrello D, Perley D, Vlasenok M, Tyagi A, Koney N, Abbas A, Nechaev S. Transcriptional responses of cancer cells to heat shock-inducing stimuli involve amplification of robust HSF1 binding. Nature Communications 2023, 14: 7420. PMID: 37973875, PMCID: PMC10654513, DOI: 10.1038/s41467-023-43157-7.Peer-Reviewed Original Research
2020
Cancer-specific mutation of GATA3 disrupts the transcriptional regulatory network governed by Estrogen Receptor alpha, FOXA1 and GATA3
Takaku M, Grimm S, De Kumar B, Bennett B, Wade P. Cancer-specific mutation of GATA3 disrupts the transcriptional regulatory network governed by Estrogen Receptor alpha, FOXA1 and GATA3. Nucleic Acids Research 2020, 48: 4756-4768. PMID: 32232341, PMCID: PMC7229857, DOI: 10.1093/nar/gkaa179.Peer-Reviewed Original ResearchConceptsRegulatory networksAltered chromatin architectureTranscriptional regulatory networksDifferential gene expressionEpithelial cell biologyTranscription factor FOXA1Mammary epithelial cellsEstrogen receptor alphaCancer-specific mutationsMammary gland developmentChromatin architectureChromatin localizationGenomic localizationReceptor alphaMutant cellsGenomic analysisNetwork downstreamGene setsCell biologyEstrogen receptorGene expressionGATA3 mutationsGland developmentSimilar mutationsFOXA1
2017
HOXA1 and TALE proteins display cross-regulatory interactions and form a combinatorial binding code on HOXA1 targets
De Kumar B, Parker H, Paulson A, Parrish M, Pushel I, Singh N, Zhang Y, Slaughter B, Unruh J, Florens L, Zeitlinger J, Krumlauf R. HOXA1 and TALE proteins display cross-regulatory interactions and form a combinatorial binding code on HOXA1 targets. Genome Research 2017, 27: 1501-1512. PMID: 28784834, PMCID: PMC5580710, DOI: 10.1101/gr.219386.116.Peer-Reviewed Original ResearchConceptsCross-regulatory interactionsTALE proteinsTALE membersCombinatorial binding patternsGenome-wide analysisGenome-wide basisCross-regulatory networkDiverse functional rolesMouse ES cellsHox cofactorsTALE familyFunctional diversityTransgenic reporterCombinatorial interactionsRegulatory networksHox-PbxProteomic analysisEnhancer activityHOXA1ES cellsFunctional roleProteinDistinct mechanismsBinding patternDistinct classes
2015
Analysis of dynamic changes in retinoid-induced transcription and epigenetic profiles of murine Hox clusters in ES cells
De Kumar B, Parrish M, Slaughter B, Unruh J, Gogol M, Seidel C, Paulson A, Li H, Gaudenz K, Peak A, McDowell W, Fleharty B, Ahn Y, Lin C, Smith E, Shilatifard A, Krumlauf R. Analysis of dynamic changes in retinoid-induced transcription and epigenetic profiles of murine Hox clusters in ES cells. Genome Research 2015, 25: 1229-1243. PMID: 26025802, PMCID: PMC4510006, DOI: 10.1101/gr.184978.114.Peer-Reviewed Original ResearchConceptsChromatin modificationsHomeotic clustersHox genesES cellsClustered Hox genesHomeotic gene transcriptionMouse embryonic stem cellsNoncoding RNA genesRetinoid-induced transcriptionGenome-wide approachesCis-regulatory elementsEmbryonic stem cellsTranscription stateChromatin marksHOXB clusterNoncoding genesRNA genesSegmental identityActive transcriptionNoncoding RNAsTranscription factorsEpigenetic profilesGene transcriptionEpigenetic changesBody axis
2012
Poised RNA Polymerase II Changes over Developmental Time and Prepares Genes for Future Expression
Gaertner B, Johnston J, Chen K, Wallaschek N, Paulson A, Garruss A, Gaudenz K, De Kumar B, Krumlauf R, Zeitlinger J. Poised RNA Polymerase II Changes over Developmental Time and Prepares Genes for Future Expression. Cell Reports 2012, 2: 1670-1683. PMID: 23260668, PMCID: PMC3572839, DOI: 10.1016/j.celrep.2012.11.024.Peer-Reviewed Original ResearchConceptsPol IIMammalian embryonic stem cellsGenes de novoDevelopmental control genesPolycomb group repressionFuture gene expressionRNA Pol IIRNA polymerase IIEmbryonic stem cellsTissue-specific fashionChromatin stateDrosophila embryosPolymerase IIExtracellular signalsDevelopmental programStages of differentiationGene expressionControl genesDevelopmental timeSynchronous inductionDynamic expressionGenesStem cellsDe novoFuture expression