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Regulation of mesenchymal stem to transit amplifying cell transition in the continuously growing mouse incisor [Ring1b ChIP]

ABSTRACT: Regulation of transit amplifying cell formation from self-renewing stem cell is fundamental process for cell replacement in a controlled way. Here we analyse the properties of a population of mesenchymal TACs in the continuously growing mouse incisor to identify key components of the molecular regulation that drives proliferation. We show that the polycomb repressive complex 1 acts as a global regulator of the TAC phenotype by its direct action on the expression of key cell cycle regulatory genes and also by regulating Wnt/b-catenin signalling activity. We also identify an essential requirement for TACs in maintaining the mesenchymal stem cells, indicative of a positive feedback mechanism. Analysing the properties of mesenchymal transit amplifying cells population and identifing key components of the molecular regulation that drives proliferation.

ORGANISM(S): Mus musculus

PROVIDER: GSE104892 | GEO | 2019/03/12

REPOSITORIES: GEO

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