2018
PRC1 Fine-tunes Gene Repression and Activation to Safeguard Skin Development and Stem Cell Specification
Cohen I, Zhao D, Bar C, Valdes VJ, Dauber-Decker KL, Nguyen MB, Nakayama M, Rendl M, Bickmore WA, Koseki H, Zheng D, Ezhkova E. PRC1 Fine-tunes Gene Repression and Activation to Safeguard Skin Development and Stem Cell Specification. Cell Stem Cell 2018, 22: 726-739.e7. PMID: 29727681, PMCID: PMC5944606, DOI: 10.1016/j.stem.2018.04.005.Peer-Reviewed Original ResearchConceptsNon-canonical PRC1 complexesStem cell specificationPRC1 complexesCell specificationSkin developmentDiverse rolesRepressive Complex 1Essential chromatin regulatorsPrecise developmental programExpression of genesCanonical PRC1PRC1 bindsPRC1 functionChromatin regulatorsGene repressionActive genesCell identityRepressor functionDevelopmental programSC formationFurther dissectionGenesPRC2PRC1Function studies
2016
Polycomb-Mediated Repression and Sonic Hedgehog Signaling Interact to Regulate Merkel Cell Specification during Skin Development
Perdigoto CN, Dauber KL, Bar C, Tsai PC, Valdes VJ, Cohen I, Santoriello FJ, Zhao D, Zheng D, Hsu YC, Ezhkova E. Polycomb-Mediated Repression and Sonic Hedgehog Signaling Interact to Regulate Merkel Cell Specification during Skin Development. PLOS Genetics 2016, 12: e1006151. PMID: 27414999, PMCID: PMC4944976, DOI: 10.1371/journal.pgen.1006151.Peer-Reviewed Original ResearchConceptsMerkel cell specificationCell specificationPrimary hair folliclesLoss of PolycombImportance of ShhCell differentiation programHair follicle functionSonic hedgehog (Shh) signalingPRC2 targetsSpecialized keratinocytesEpidermal progenitorsDevelopmental programHair folliclesEpigenetic processesDifferentiation programHedgehog signalingShh ligandMature Merkel cellsShh signalingSkin developmentMurine dorsal skinEpidermal cellsMerkel cellsPRC2 lossCell formation