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Genome Wide Expression of Mammary Epithelial Populations in Slug (SNAI2) WT vs Slug Null Mice

ABSTRACT: This experiment shows differential expression of genes in the luminal, basal and stromal subpopulations from SNAI2+/+ and SNAI2 LacZ/LacZ mammary epithelial cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE55620 | GEO | 2014/03/08

SECONDARY ACCESSION(S): PRJNA240226

REPOSITORIES: GEO

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Genome Wide Expression of Mammary Epithelial Populations in Slug (SNAI2) WT vs Slug Null Mice

Project description:This experiment shows differential expression of genes in the luminal, basal and stromal subpopulations from SNAI2+/+ and SNAI2 LacZ/LacZ mammary epithelial cells. Luminal, basal and stromal populations were sorted from SNAI2+/+ and SNAI2 LacZ/LacZ mammary epithelial cells based on expression of CD49f and Epcam.

2014-03-08 | E-GEOD-55620 | biostudies-arrayexpress

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Project description:SNAI2 is a transcription factor involved in multiple processes in both physiology and pathology, including apoptosis, epithelial-mesenchymal transition and tumorigenesis. The effects of SNAI2 on the epithelial compartment have been interpreted as an effect of its expression and action in that compartment. In this work, we demonstrated that the absence of Snai2 in other compartments has repercussions in different aspects of the behavior of the epithelial cells of luminal breast tumors, developed by MMTV-ErbB2/Neu transgenic mice that do not express SNAI2 in the epithelial component. The absent of SNAI2 in the stroma of these tumors is accompanied by different characteristics at histopathological and molecular levels than those having functional SNAI2. These results indicate that the expression of SNAI2 in the tumor niche contributes to the luminal tumor development and behavior.

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| PRJNA545994 | ENA

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