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
2019
Hox genes: Downstream “effectors” of retinoic acid signaling in vertebrate embryogenesis
Nolte C, De Kumar B, Krumlauf R. Hox genes: Downstream “effectors” of retinoic acid signaling in vertebrate embryogenesis. Genesis 2019, 57: e23306. PMID: 31111645, DOI: 10.1002/dvg.23306.Peer-Reviewed Original ResearchConceptsHox genesAxial patterningHox gene expressionAnteroposterior axisBasic body planGene regulatory networksVertebrate embryogenesisAnimal developmentPatterning of cellsVertebrate developmentBody planAxial specificationRegulatory networksCombinatorial codeTissue contextGene expressionDirect effectorVertebrate planHematopoietic systemGenesReproductive organsRegulatory processesEmbryogenesisDifferential responseRetinoic acid
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 classesDynamic regulation of Nanog and stem cell-signaling pathways by Hoxa1 during early neuro-ectodermal differentiation of ES cells
De Kumar B, Parker H, Parrish M, Lange J, Slaughter B, Unruh J, Paulson A, Krumlauf R. Dynamic regulation of Nanog and stem cell-signaling pathways by Hoxa1 during early neuro-ectodermal differentiation of ES cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: 5838-5845. PMID: 28584089, PMCID: PMC5468655, DOI: 10.1073/pnas.1610612114.Peer-Reviewed Original ResearchConceptsES cell differentiationRegulatory networksMutual repressionRegulatory regionsCell differentiationCore pluripotency networkGenome-wide mappingRegulation of pluripotencyPatterns of occupancyCell-signaling pathwaysPluripotency networkNanog bindsHox genesGenomic approachesCommon target sitesRetinoic acid treatmentTarget genesDynamic regulationES cellsMouse embryosMolecular mechanismsHOXA1GenesAlternate statesNanog
2016
The Methylation-Sensitive Enhancer Derare Maintains Hematopoietic Stem Cells through Regulation of Hoxb Cluster
Qian P, De Kumar B, Ahn Y, Nolte C, Paulson A, He X, Li Z, Perry J, Zhao M, Tao F, Krumlauf R, Li L. The Methylation-Sensitive Enhancer Derare Maintains Hematopoietic Stem Cells through Regulation of Hoxb Cluster. Blood 2016, 128: 725. DOI: 10.1182/blood.v128.22.725.725.Peer-Reviewed Original ResearchHematopoietic stem cellsHoxB gene expressionGene expressionLT-HSCsHOXB clusterHOXB cluster genesCluster genesHoxb genesCluster gene expressionChIP-seq analysisCis-regulatory elementsTrans-acting factorsFunctional hematopoietic stem cellsNext-generation sequencing technologiesStem cellsDNA methylation analysisCancer Genome Atlas (TCGA) projectHematopoietic cell typesLong-term reconstitution capacityHSC maintenancePutative enhancersTranscriptome analysisRegulatory networksRNA-seqGenetic regulatory networks