Project description:We analyzed the miRNA expression in 6 breast cancer cell lines from young (HCC1500, HCC1937) and old (MCF-7, MDA-MB-231, HCC1806 and MDA-MB-468) patients with breast cancer using the GeneChip® miRNA 2.0 Array (Affymetrix, Santa Clara, CA, USA).
Project description:MiR-544 was inhibited by either a miR-544 antagomir or compound 1 under hypoxic conditions in MDA-MB-231 cells MiRNA microarray was utilized to examine the specificity of 1 for miR-544.
Project description:MiR-544 was inhibited by either a miR-544 antagomir or compound 1 under hypoxic conditions in MDA-MB-231 cells MiRNA microarray was utilized to examine the specificity of 1 for miR-544. 3 MDA-MB-231 samples treated with a miR-544 antagomir or compound 1 were subjected to hypoxia for a period of 5 days. After 5 days, samples were pooled and subjected to miRNA microarray analysis.
Project description:Dicer, RNase III endonuclease, is an essential enzyme in miRNA biogenesis that regulates target gene expression, and it has been reported that aberrant expressions of Dicer associate with the clinical outcomes of patients in various cancers. To explore the miRNA differencial expression regulated by Dicer in MDA-MB-231/E1A cells, the microarray profiling analysis was employed to conduct differentially expressed miRNAs in stable MDA-MB-231/vector, MDA-MB-231/E1A, and MDA-MB-231/E1A/shDicer cells.
Project description:This Series reports results of miRNA profiling of estrogen-receptor-positive (MCF7) and estrogen-receptor-negative (MDA-MB-231) cells. Retinoic Acid (RA) induces mir-21 in MCF-7 but not in MDA-MB-231 cells. MCF-7 and MDA-MB-231 cells were treated (or not) with retinoic acid (RA) and grown for either 6 hours or 48 hours.
Project description:Analysis of MDA-MB-231 cells following TSA treatment or not. TSA regulates various miRNA expression in MDA-MB-231 cells.Results provide insight into the role of miRNAs-involved mechanisms underlying TSA-mediated effects on breast cancer stemness.
Project description:We analyzed RNA from 2 breast cancer cell lines (MDA-MB-231 (MM231) and MCF7) and exosomes derived from them We used Affymetrix miRNA-3 array to determine the miRNA profile to find out whether miRs content in exosomes and expression levels were different after 17β-estradiol .
