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Homo sapiens

ABSTRACT: Identification of alternatively spliced transcripts in brain metastatic derivatives of MDA-MB-231 breast cancer cells in response to RBM47 expression

OTHER RELATED OMICS DATASETS IN: E-GEOD-58379

PROVIDER: PRJNA252383 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1374810_1.fastq.gz	Fastqsanger.gz
	SRR1374810_2.fastq.gz	Fastqsanger.gz
	SRR1374811_1.fastq.gz	Fastqsanger.gz
	SRR1374811_2.fastq.gz	Fastqsanger.gz
	SRR1374812_1.fastq.gz	Fastqsanger.gz

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E-GEOD-58379

Project description:Identification of alternatively spliced transcripts in brain metastatic derivatives of MDA-MB-231 breast cancer cells in response to RBM47 expression

2019-05-14 | E-GEOD-58379 | ExpressionAtlas

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Project description:Flag-RBM47 HITS-CLIP in brain metastatic derivatives of MDA-MB-231

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Identification of circRNA Expression Signatures for breast cancer metastasis

Project description:To identify breast cancer metastasis-relevant circRNAs, we assessed the expression profiles of circRNAs in parental MDA-MB-231 (231-PAR) cells, isogenic brain metastatic cells (231-BM6), lung metastatic cells (LM2) and bone metastatic cells (1833), which were isolated from brain, lung or bone-seeking 231-PAR cells

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Transcription profiling of human parental parental line MDA-MB-231 and fusion cell lines indicates hybrids assimilate organ-specific metastasis gene signatures from both parental cells

Project description:Spontaneous cell fusion of MDA-MB-231 bone-metastatic subline Bm (i.e., SCP2) and lung metastatic subline Lm (i.e., LM2) gave rise to hybrid lines BLm-FACS or BLm-DRUG, as well as its single clones (#8, #12, #18). The hybrids acquired the metastasis tropisms from both parental cells. Expression profiles of the parental cells, the hybrids and several previously characterized MDA-MB-231 metastatic derivatives were compared. Hierarchical clustering showed the hybrids assimilated the organ-specific metastasis gene signatures from both parental cells. Experiment Overall Design: Twenty-six cell lines were analyzed, including the parental line MDA-MB-231; cell fusion partner lines Bm and Lm; self-fused lines BBm and LLm; hetero-fused lines BLm-FACS, BLM-DRUG and clones BLm-DRUG-8, -12 and -18; strongly bone-metastatic lines 1833, SCP14, SCP20, SCP25 and SCP46; strongly lung-metastatic lines 3481, 4142, 4173, 4175 and 4180; and weakly metastatic lines SCP3, SCP4, SCP6, SCP28, SCP32 and SCP43. Single sample for each line.

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Gene expression profile in breast cancer cells

Project description:We report the gene expression patterns in MDA-MB-231 (a line selected for low metastatic ability), MDA-MB-231-1833 (its bone-tropic metastatic derivative line), MDA-MB-231p27CK-DD (a phosphomimetic cell line), MDA-MB-231-1833shp27 (p27 knockdown cell line), MDA-MB-231-1833PF1502 (PI3K inhibitor treatment). It shows that the gene expression pattern are regulated in a p27 phosphorylation-dependent manner.

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Identification of LncRNA Expression Signatures for breast cancer brain metastasis (BCBM)

Project description:To identify BCBM-relevant lncRNAs, we assessed the expression profiles of lncRNAs in parental MDA-MB-231 (231-PAR) cells and isogenic brain metastatic cells (231-BRN), which were isolated from brain-seeking 231-PAR cells

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LncRNA Uc003xsl.1 Activates of NF-κB/IL8 Axis to Promotes Triple-negative Breast Cancer Progression via A Decoy Role to NKRF [lnc231]

Project description:To discover the potential drivers of TNBC metastasis, we established an in vivo model by injecting MDA-MB-231cells into the tail veins of mice. Then, the breast tumor cells that successfully grew into metastatic lung tumors were collected and expanded in vitro, followed by re-injected into the tail veins of mice for lung metastasis. After three rounds of selection, a highly metastatic subline, MDA-MB-231-P3, was established, and more frequent micro-metastasis was detected in MDA-MB-231-P3 groups than that of MDA-MB-231 groups when the lungs of mice were stained with hematoxylin and eosin (HE). The lncRNA profiles of MDA-MB-231 or MDA-MB-231-P3 cells were analyzed by lncRNA sequencing. A total of 267 lncRNAs in MDA-MB-231-P3 cells were upregulated more than 2-fold in comparison to the MDA-MB-231 cells.

2021-11-29 | GSE163900 | GEO

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Project description:Initial screening for potential metastases suppressors down regulated by methylation was performed using breast cancer cell line models specific for site-specific metastasation. Gene expression profiling and qRT-PCR validations were conducted on tumor tissues from primary breast cancer (BC) and BCBM. CADM1 and RECK were further characterized for their methylation patterns and finally the protein expression of CADM1 was validated in a large number of BC and BCBM samples and correlated with clinico-pathologic parameters. A subclone of MDA-MB-231, which has a high metastatic potential for the brain (MDA-MB-231 BR), was compared to the parental MDA-MB-231 WT and to a bone-seeking subclone (MDA-MB-231 SA) in order to find genes, which might be specifically involved in brain metastasis formation. The cell lines were treated with 5-Aza-2'-deoxycytidine in order to find genes potentially down regulated by methylation. The non-tumorigenic epithelial cell line MCF 10A was used to control for stress response after the treatment with 5-Aza-2'-deoxycytidine.

2014-03-04 | E-GEOD-44354 | biostudies-arrayexpress

RNAseq analysis of genes differentially expressed in MDA-MB-231 and 231-BR

Project description:We used RNA sequencing to analyze gene expression profiles of MDA-MB-231 and its brain metastasis variant (231-BR). The goal of this study is to explore genes that are differentially expressed in 231-BR and MDA-MB-231.

2022-02-02 | GSE183862 | GEO

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