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
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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.
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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: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. We present evidence that normal and human telomerase reverse transcriptase (hTERT)-immortalized human mammary epithelial cells (hMECs) isolated and maintained in DFCI-1 medium retain a fraction with progenitor cell properties. These cells co-express basal, luminal and stem/progenitor cell markers. Clonal derivatives of progenitors co-expressing these markers fall into two distinct types: K5+/K19- (Type I) and K5+/K19+ (Type II). We show that both types of progenitor cells have self-renewal and differentiation ability. Through microarray analysis, we want to identify genes and pathways linked to human mammary epithelial stem/progenitor cell self-renewal and differentiation. Normal human mammary epithelial cells (hMECs) were isolated from Reduction Mammoplasty and immortalized by hTERT. Type I K5+/K19- and Type II K5+/K19+ cell colonies were isolated from hTERT-immortalized hMECs and cultured in MEGM medium for self-renewal and differentiation. Total RNA isolated from Type I, Type II, and differentiated Myoepithelial (Myo) cells were used on Affymetrix microarrays.
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Project description:This project investigates the function of p68/p72 in muscle gene expression and skeletal C2C12 cell differentiation. p68/p72 in C2C12 cells cultured in either growth medium (GM) or differentiation medium (DM) was knocked down using shRNA p68/p72 retrovirus, and globle gene expression was profiled using Affymetrix MOE 430A and 430B GeneChip. Experiment Overall Design: The specific aim is to study muscle gene expression changes and skeletal muscle differenciation using RNA interference of p68/p72 in C2C12 cells.
2007-11-29 | E-GEOD-5305 | biostudies-arrayexpress