Unknown,Transcriptomics,Genomics,Proteomics

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Expression data from Ezh2 epithelial knock-out mouse lungs at E14.5


ABSTRACT: Ezh2 epigenetically suppresses developmentally-regulated genes. Ezh2 is highly expressed during development, including in the lung. We knocked out Ezh2 in the developing lung epithelium using a Shh-cre driver which is active in foregut endoderm prior to lung morphogenesis. Many developmentally regulated genes became derepressed in the mutant lungs, leading to defects in lung development. Microarray analysis of genes upregulated in Ezh2 epithelial knock-out mouse lungs compared to Shh-cre controls. We generated Ezh2 epithelial mutant lungs by crossing the Ezh2-floxed line (Su et al., 2003) with the Shh-cre line (Harfe et al., 2004). We isolated RNA from whole mouse lungs at embryonic day 14.5 from 4 Shh-cre:Ezh2-flox/flox embryos (M1-M4) and 4 Shh-cre embryos (C1-C4). Littermates are as follows: C1+C2; C3+C4; M1+M2; M3+M4.

ORGANISM(S): Mus musculus

SUBMITTER: Michael Morley 

PROVIDER: E-GEOD-60660 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Ezh2 represses the basal cell lineage during lung endoderm development.

Snitow Melinda E ME   Li Shanru S   Morley Michael P MP   Rathi Komal K   Lu Min Min MM   Kadzik Rachel S RS   Stewart Kathleen M KM   Morrisey Edward E EE  

Development (Cambridge, England) 20150101 1


The development of the lung epithelium is regulated in a stepwise fashion to generate numerous differentiated and stem cell lineages in the adult lung. How these different lineages are generated in a spatially and temporally restricted fashion remains poorly understood, although epigenetic regulation probably plays an important role. We show that the Polycomb repressive complex 2 component Ezh2 is highly expressed in early lung development but is gradually downregulated by late gestation. Deleti  ...[more]

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