Expression data from sheroids cultured in medium that promotes myoepithelial or proacinar differentiation
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA811503 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:We identifiied culture conditions that promoted the differentiation of the murine salivary gland epithelial cell line, mSG-PAC1 towards myoepithelial or proacinar cell fates, which were characterized by the expression of known cell type markers. Differentiation gene expression was analyzed and GSEA was performed comparing the resulting transcirptomes and published sc_RNA seq data for murine salivary gland myoepithleial and acinar cells
2022-03-02 | GSE197652 | GEO
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Project description:we use bluel light exposed RPE medium to cultured HFSF
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Project description:We have generated a large collection of normal human mammary epithelial cell strains from women aged 16 to 91 years, derived from primary tissues, to enable functional and molecular interrogation of aging. We demonstrate in finite-lifespan cultured and uncultured epithelial cells that aging is associated with reduction of myoepithelial cells and with increases in luminal cells expressing keratin 14 and integrin α6, traits that are expressed exclusively in myoepithelial cells in women under 30. We find that changes to the luminal lineage result from age-dependent expansion of multipotent progenitors that bear defects resulting in incompletely differentiated luminal cells. These findings were verified in vivo in normal breast tissues. Myoepithelial cells have been suggested to act as tumor suppressors, and progenitor cells are implicated as the etiological roots of mammary carcinomas. Thus with aging there is a shift in the balance of luminal/myoepithelial lineages, and changes in the functional spectrum of multipotent progenitors, which presages increased potential for malignant transformation.
2012-05-03 | GSE37485 | GEO
Project description:These are 3 TMT10 samples. The indicated "standard" sub-samples all refer to the same biological sample (obtained as a mixture of all other samples), split and tagged as indicated, to play as a reference for normalization.
TMT10 sample1 contains the following sub-samples:
-TAG 126: Standard.
-TAG 127N: Day 3 conditioned medium of replication-incompetent MEFs cultured on VTN coating in RSeT medium.
-TAG 127C: Day 3 conditioned medium of naive human pluripotent stem cells cultured on a MEF feeder-layer in RSeT medium.
-TAG 128N: Day 3 conditioned medium of naive human pluripotent stem cells cultured on a VTN coating in RSeT medium.
-TAG 128C: Not relevant.
-TAG 129N: Not relevant.
-TAG 129C: Not relevant.
-TAG 130N: Not relevant.
-TAG 130C: RSet medium.
-TAG 131: Standard.
TMT10 sample2 contains the following sub-samples:
-TAG 126: Standard
-TAG 127N: Day 3 conditioned medium of replication-incompetent MEFs cultured on VTN coating in RSeT medium.
-TAG 127C: Day 3 conditioned medium of naive human pluripotent stem cells cultured on a MEF feeder-layer in RSeT medium.
-TAG 128N: Day 3 conditioned medium of naive human pluripotent stem cells cultured on a VTN coating in RSeT medium.
-TAG 128C: Not relevant.
-TAG 129N: Day 2 conditioned medium of naive human pluripotent stem cells cultured on a MEF feeder-layer in RSeT medium.
-TAG 129C: Day 2 conditioned medium of naive human pluripotent stem cells cultured on a VTN coating in RSeT medium.
-TAG 130N: Not relevant.
-TAG 130C: RSet medium.
-TAG 131: Standard.
TMT10 sample3 contains the following sub-samples:
-TAG 126: Standard.
-TAG 127N: Day 3 conditioned medium of replication-incompetent MEFs cultured on VTN coating in RSeT medium.
-TAG 127C: Day 3 conditioned medium of naive human pluripotent stem cells cultured on a MEF feeder-layer in RSeT medium.
-TAG 128N: Day 2 conditioned medium of replication-incompetent MEFs cultured on VTN coating in RSeT medium.
-TAG 128C: Day 2 conditioned medium of replication-incompetent MEFs cultured on VTN coating in RSeT medium.
-TAG 129N: Day 2 conditioned medium of naive human pluripotent stem cells cultured on a MEF feeder-layer in RSeT medium.
-TAG 129C: Day 2 conditioned medium of naive human pluripotent stem cells cultured on a VTN coating in RSeT medium.
-TAG 130N: Not relevant.
-TAG 130C: RSet medium.
-TAG 131: Standard.
Detailed culture and processing methods are described in Cesare et al, under submission.
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Project description:4T1 mammary cancer cells exihibit higher proliferation and metastatic ability when cultured in conditioned medium from mesenchymal stem cells . Also, co-implantation with MSCs, 4T1 tumors show higher tumor growth and metastasis. We used microarrays to detail the global programme of gene expression underlying the alteration of cell behaviour
2012-06-07 | GSE38251 | GEO
Project description:We have generated a large collection of normal human mammary epithelial cell strains from women aged 16 to 91 years, derived from primary tissues, to enable functional and molecular interrogation of aging. We demonstrate in finite-lifespan cultured and uncultured epithelial cells that aging is associated with reduction of myoepithelial cells and with increases in luminal cells expressing keratin 14 and integrin α6, traits that are expressed exclusively in myoepithelial cells in women under 30. We find that changes to the luminal lineage result from age-dependent expansion of multipotent progenitors that bear defects resulting in incompletely differentiated luminal cells. These findings were verified in vivo in normal breast tissues. Myoepithelial cells have been suggested to act as tumor suppressors, and progenitor cells are implicated as the etiological roots of mammary carcinomas. Thus with aging there is a shift in the balance of luminal/myoepithelial lineages, and changes in the functional spectrum of multipotent progenitors, which presages increased potential for malignant transformation. Finite lifespan pre-stasis HMEC from specimens from reduction mammoplasties of 7 patients of different age were collected. The expression data was queried for different biological replicates and at different passages. For strain 240, luminal and myoepithelial cells were collected using flow cytometry.
2012-05-02 | E-GEOD-37485 | biostudies-arrayexpress
Project description:HFSF co-cultured with blue light exposed RPE medium
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Project description:There is increasing evidence that breast and other cancers originate from and are maintained by a small fraction of stem/progenitor cells with self-renewal properties. Whether such cancer stem/progenitor cells originate from normal stem cells based on initiation of a de novo stem cell program, by reprogramming of a more differentiated cell type by oncogenic insults or both remains unresolved. A major hurdle in addressing these issues is lack of immortal human stem/progenitor cells that can be deliberately manipulated in vitro. Here we discribe Myoepithelial Progenitor Cells (MPCs) that show properties of EMT and claudin low subtype of breast cancers. Through microarray analysis, we have found that these K5-/K19- cells show similar gene expression pattens of the claudin-low subtype of breast cancer. Normal human mammary epithelial cells (hMECs) were isolated from Reduction Mammoplasty and immortalized by human telomerase (hTERT). Type III- K5-/K19- cell colonies were isolated from K5+/K19- immortalized hMECs and cultured in MEGM medium for self-renewal and differentiation. Total RNA isolated from Type III cells were used on Affymetrix microarray.
2011-12-15 | E-GEOD-34440 | biostudies-arrayexpress