Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA151529 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:MicroRNA expression data from human breast cancer cell lines after demethylation treatment.
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Project description:Microparticles (MPs) comprise the major source of systemic RNA including microRNA (miRNA), the aberrant expression of which appears to be associated with stage, progression and spread of many cancers. We have shown MPs to transfer multidrug resistance proteins accross both haematological and and non-haematological cancers. using microarray miRNA profiling analysis we now analyze changes in miRNA profiles of both cancer types following microparticle transfer. We identified certain upregulated miRNAs in both cancer types. Total RNA was extracted and pooled from duplicate experiments for hybridization on Affymetrix microarrays from (i) the parental drug sensitive leukaemia (CEM) or breast cancer (MCF-7) cells, (ii) their Multidrug Resistant strains leukaemia (VLB100) or breast cancer ( DX cells), (iii) the microparticles isolated from the resistant cells: VLBMP or DXMP, and (iv) the cocultured samples: sensitive cell co-incubated with MPs from their resistant cells ( leukaemia: CEM+VLBMP) or(breast cancer: MCF-7+DXMP). We sought to examine the miRNA profiles of the drug sensitve cells after MP transfer from drug resistant cells across leukaemia nd breact cancer cell lines.
2012-06-08 | E-GEOD-34560 | biostudies-arrayexpress
Project description:This SuperSeries is composed of the following subset Series: GSE28968: MRNA expression data from human breast cancer cell lines after demethylation treatment. GSE28969: MicroRNA expression data from human breast cancer cell lines after demethylation treatment. Refer to individual Series
2012-01-24 | E-GEOD-28976 | biostudies-arrayexpress
Project description:To understand the the effect of microparticles conjugated with vascular endothelial growth factor (VEGF) on human endothelial cells derived from human umbilical cord blood (UCB) CD34+ hematopoietic stem cells, we have employed microRNA microarray profiling. The microparticles used in this study were purchased from Invitrogen (Dynal magnetic microparticles coated with streptavidin, 4.5 micron in size) and modified in our lab. Cell suspensions were mixed with blank microparticles (without VEGF), soluble VEGF or VEGF-conjugated microparticles and seeded as hanging drops to prepare endothelial cell aggregates. Cell aggregates without any treatments were used as control. After 2 h or 8 h, the cell aggregates were collected and miRNA expression profiles were detected.
2017-07-07 | GSE75899 | GEO
Project description:MRNA expression data from human breast cancer cell lines after demethylation treatment.
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Project description:Identification of microRNA-27b target genes in breast cancer cell lines
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