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Breast cancer MCF-7 Cells and MDA-MB-435 cells: pre-miR-125b Transfected cells vs. pre-control transfected cells

ABSTRACT: Transcriptional profiling of breast cancer cells comparing pre-control transfected cells with cells transfected with pre-miR-125b. We searched for miR-125b targets by systematic screening of mRNA profiling of pre-miR-125b transfected MCF-7 cells and MDA-MB-435 cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE22546 | GEO | 2010/06/25

SECONDARY ACCESSION(S): PRJNA128173

REPOSITORIES: GEO

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Breast cancer MCF-7 Cells and MDA-MB-435 cells: pre-miR-125b Transfected cells vs. pre-control transfected cells

Project description:Transcriptional profiling of breast cancer cells comparing pre-control transfected cells with cells transfected with pre-miR-125b. We searched for miR-125b targets by systematic screening of mRNA profiling of pre-miR-125b transfected MCF-7 cells and MDA-MB-435 cells. Two-condition experiment, pre-miR-125b Transfected vs. pre-control Transfected MCF-7 cells. One replicate per array.

2010-06-25 | E-GEOD-22546 | biostudies-arrayexpress

Transcriptomic analysis of targets regulated by miR-125b in primary endothelial cells

Project description:Human vein umbilical endothelial cells (HUVEC) were transfected with pre-miR control and pre-miR 125b (Ambion) in order to identify targets (direct and indirect) downregulated by miR-125b in endothelial cells. 317 transcripts were downregulated with a fold change ≥ 1.5, among which 99 are predicted direct targets of mir-125b. Computional approach performed with Ingenuity Pathway Knowledge shows that movement of cell and cell-to-cell signalling are the top two biological functions affected bewteen control and transfected cells. Experiments performed in zebrafish and in HUVEC confirmed that mir-125b mainly affects genes involved in cellular movements and junctions. Total RNA was obtained from cells transfected in HUVEC with pre-miR control and pre-miR 125b. Three independent transfections were performed for each condition.

2011-04-30 | E-GEOD-21458 | biostudies-arrayexpress

Homo sapiens

Project description:Breast cancer MCF-7 Cells and MDA-MB-435 cells: pre-miR-125b Transfected cells vs. pre-control transfected cells

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mRNA profiling of white hMADS cells converted in brite adipocytes and transfected with mimic miR-125b-5p

Project description:miR-125b-5p is a well known miRNA already describded in several forms of cancer. miR-125b-5p is expressed in adipose tissue, adipocytes as well as their precursor cells. We aim to invest the role of miR-125b-5p in white adipocytes conversion into brite adipocytes. To get an idea about putative targets of miR-125b-5p in adipocyte conversion, we transfected miR-125b-5p mimic in human Multipotent Adipose-Derived Stem (hMADS) cells, differenciated in white adipocytes. Gene expression profiling is performed 48h after hMADSC transfection. Two-condition experiment, hMADS cells at day 16 after conversion of white adipocytes into brite adipocytes, comparison of cells transfected with a mimic miR-125b-5p to cells transfected with a negative controle. Biological replicates: 4, indepently grown and harvested. On each array, one biological replicate of mimic miR-125b-5p transfected cells was directly compared to one biological replicate of mimic negative control transfected cells (serving as reference sample). All hybridizations were repeated with reversed dye assignment (dye-swap) as technical replicates.

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mRNA profiling of white hMADS cells converted in brite adipocytes and transfected with mimic miR-125b-5p

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Project description:To investigate the role and mechanism of miR-125b on NCCIT cells without bias, we analyzed differentially expression microRNA profile among miR-125b antagomir-, miR-125b agomir-, and negative control-transfected NCCIT tumor cells by microRNA-seq.

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