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Mouse mammary epithelial cell subpopulations from pregnant and virgin mice

ABSTRACT: To study the effect of pregnancy on mouse mammary epithelial subpopulations, epthelial cells derived from virgin or pregnant (12.5 day pregnant) mice were isolated using fluorescence-activated cell sorting. After elimination of haematopoietic and endothelial cells, two distinct epithelial subpopulations were sorted using antibodies against CD29 and CD24. Based on the immunohistochemical phenotype, and in vivo and in vitro functional assays, these subpopulations were identified as mammary stem cell enriched (CD29hiCD24+) and luminal (CD29loCD24+) respectively (ref: Shackleton et al, Nature 2006). Microarray profiling was used to compare gene expression profiles of the two subpopulations in 12.5 day pregnant and virgin mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE20402 | GEO | 2010/04/10

SECONDARY ACCESSION(S): PRJNA129829

REPOSITORIES: GEO

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Mouse mammary epithelial cell subpopulations from pregnant and virgin mice

Project description:To study the effect of pregnancy on mouse mammary epithelial subpopulations, epthelial cells derived from virgin or pregnant (12.5 day pregnant) mice were isolated using fluorescence-activated cell sorting. After elimination of haematopoietic and endothelial cells, two distinct epithelial subpopulations were sorted using antibodies against CD29 and CD24. Based on the immunohistochemical phenotype, and in vivo and in vitro functional assays, these subpopulations were identified as mammary stem cell enriched (CD29hiCD24+) and luminal (CD29loCD24+) respectively (ref: Shackleton et al, Nature 2006). Microarray profiling was used to compare gene expression profiles of the two subpopulations in 12.5 day pregnant and virgin mice. For each biological replicate, mammary gland from virgin or 12.5 day pregnant FVB/NJ mice were collected and digested to obtain a single cell suspension. CD45-CD31-TER119- cells were then sorted based on the expression of cell surface markers CD24 and CD29. There were 4 pools of pregant mice and 3 pools of virgin mice.

2010-04-10 | E-GEOD-20402 | biostudies-arrayexpress

Mammary epithelial cell subpopulations from control and ovariectomized mice

2010-04-10 | GSE20401 | GEO

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Project description:To study the effect of pregnancy on mouse mammary epithelial subpopulations, epthelial cells derived from control or ovariectomized adult mice were isolated using fluorescence-activated cell sorting. After elimination of haematopoietic and endothelial cells, two distinct epithelial subpopulations were sorted using antibodies against CD29 and CD24. Based on the immunohistochemical phenotype, and in vivo and in vitro functional assays, these subpopulations were identified as mammary stem cell enriched (CD29hiCD24+) and luminal (CD29loCD24+) respectively (ref: Shackleton et al, Nature 2006). Microarray profiling was used to compare gene expression profiles of the two subpopulations isolated from ovariectomized and control mice. For each of two biological replicates, 6 FVB/NJ mice were ovariectomized at 8 weeks of age. 4 weeks after ovariectomy (Ovx) mammary gland from control or Ovx animals were collected and digested to obtain a single cell suspension. CD45-CD31-TER119- cells were then sorted based on the expression of cell surface markers CD24 and CD29. Similarly for two pools of control mice. There were also 4 technical replicates, to make 12 BeadChips in total.

2010-04-10 | E-GEOD-20401 | biostudies-arrayexpress

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Project description:To delineate epithelial subpopulations in mouse mammary tissue, hematopoietic and endothelial cells were depleted from freshly isolated cell suspensions derived from mammary glands using fluorescence-activated cell sorting. The resultant Lin- population was fractionated into four distinct subpopulations using antibodies against CD29, CD24 and CD61. Based on the immunohistochemical phenotype, and in vivo and in vitro functional assays, these subpopulations were identified as fibroblast-containing stromal (CD29loCD24-), mammary stem cell (MaSC)-enriched (CD29hiCD24+CD61+), luminal progenitor (CD29loCD24+CD61+), and mature luminal (CD29loCD24+CD61-) cell subpopulations. Microarray profiling was used to derive gene expression signatures of these 4 subpopulations. The four mammary cell subpopulations were found to have distinct gene expression profiles.

2010-03-21 | GSE19446 | GEO

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Project description:MaSC, Luminal progenitor enriched subpopulations were isolated from virgin and pregnant mice based on using both surface marker or internal reporter transgene (GFP) expression. (Tiede BJ et al., 2009, PLoS ONE 4(11): e8035. doi:10.1371/journal.pone.0008035), and the transcirptome profiles were determined and compared. Two MaSC differential methods: CD24/CD29 & GFP reporter; two physiolgical condition: virgin vs pregnant; the combination of ((P4, GFPhi) vs (P5, P6, GFPlo)) x (vg vs pg)

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Gene expression profiles of normal mouse mammary cell subpopulations FACS sorted based on expression of biomarkers

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Transcriptome profiles of mouse mammary stem cells and progenitor cells 2

Project description:MaSC, Luminal progenitor enriched subpopulations were sorted based on CD24/CD29 expression from mammary epithelial cells of virgin female mice . (Tiede BJ et al., 2009, PLoS ONE 4(11): e8035. doi:10.1371/journal.pone.0008035), and the transcirptome profiles were determined and compared.

2017-05-05 | GSE85635 | GEO

Control of mammary stem cell function by steroid hormone signalling.

Project description:This SuperSeries is composed of the following subset Series: GSE20401: Mammary epithelial cell subpopulations from control and ovariectomized mice GSE20402: Mouse mammary epithelial cell subpopulations from pregnant and virgin mice Refer to individual Series

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microRNA profiles of mouse mammary stem cells and luminal cells

Project description:MaSC and luminal enriched subpopulations were sorted based on CD24/CD29 expression from mammary epithelial cells of virgin female mice . (Tiede BJ et al., 2009, PLoS ONE 4(11): e8035. doi:10.1371/journal.pone.0008035), and the microRNA profiles were determined using microRNA array and compared.

2017-05-05 | GSE85634 | GEO

Histone methylation profiles of prospectively isolated mammary epithelial subpopulations

Project description:In this study we mapped H3K27me3, H3K4me3 and H3K9me2 marks in three mammary epithelial subsets: MaSC/basal (MS), luminal progenitor (LP) and mature luminal (ML) in the steady-state. In addition, profiles were generated for H3K4me3 and H3K27me3 marks in the MaSC/basal and luminal populations from the glands of ovariectomized or mid-pregnant (12.5 days) mice as well as from control virgin mice. We used ChIPseq analysis to determine histone modification marks in the MS, LP and ML subsets in the steady-state. We then determined the histone modification profiles of MS and sorted luminal (Lum) cells from pregnant (12.5 dP) or ovariectomized (OVX) mice and compared these with the profiles of control virgin mice in order to study the effect of hormones on the mammary epigenomes.

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