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Effects of YB-1 protein reduction on microRNA abundance in breast cancer cell-lines

ABSTRACT: To assess the association of the nucleic acid binding protein yb-1 with mature microRNAs levels in breast cancer. To do this we performed YB-1 siRNA treatement in triplicates alongside an siRNA control Two breast cancer cell-lines, representative of Luminal A and Basal molecular subtypes were used, MCF7 and MDA-MB-435S. Two cell-lines, treated with either siYB-1 or si-Ctrl in triplicate samples.

ORGANISM(S): Homo sapiens

SUBMITTER: Cherie Blenkiron

PROVIDER: E-GEOD-50087 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Links between the oncoprotein YB-1 and small non-coding RNAs in breast cancer.

Blenkiron Cherie C Hurley Daniel G DG Fitzgerald Sandra S Print Cristin G CG Lasham Annette A

PloS one 20131118 11

<h4>Background</h4>The nucleic acid-binding protein YB-1, a member of the cold-shock domain protein family, has been implicated in the progression of breast cancer and is associated with poor patient survival. YB-1 has sequence similarity to LIN28, another cold-shock protein family member, which has a role in the regulation of small noncoding RNAs (sncRNAs) including microRNAs (miRNAs). Therefore, to investigate whether there is an association between YB-1 and sncRNAs in breast cancer, we invest ...[more]

PMID: 24260353

Similar Datasets

Effects of YB-1 protein reduction on microRNA abundance in breast cancer cell-lines

Project description:To assess the association of the nucleic acid binding protein yb-1 with mature microRNAs levels in breast cancer. To do this we performed YB-1 siRNA treatement in triplicates alongside an siRNA control Two breast cancer cell-lines, representative of Luminal A and Basal molecular subtypes were used, MCF7 and MDA-MB-435S.

2014-01-23 | GSE50087 | GEO

Links between the Oncoprotein YB-1 and Small Non-Coding RNAs in Breast Cancer

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2014-01-23 | E-GEOD-50142 | biostudies-arrayexpress

Identification of miRNAs which bind to YB-1 protein

Project description:To assess the direct association of the nucleic acid binding protein yb-1 with mature microRNAs in breast cancer. To do this we performed immunoprecipitation (IP) of YB-1 protein to pull-down linked RNAs Two breast cancer cell-lines, representative of Luminal A and Basal molecular subtypes were used, MCF7 and MDA-MB-435S. An input control represents the RNA present in the lysate used for the IP, prior to treatment. IPs were performed in triplicates on different cell-lysates with one input control used as a representative of the RNA added to the IP reaction.

2014-01-23 | E-GEOD-50141 | biostudies-arrayexpress

Identification of miRNAs which bind to YB-1 protein

2014-01-23 | GSE50141 | GEO

Transcriptome (RNA-Seq), translatome (Ribo-Seq), and YB-1/YB-3-bound mRNAs (RIP-Seq) of HEK293T, HEK293TdeltaYB-1, and HEK293T+HA-YB-1 cells

Project description:We present results of RNA-Seq, Ribo-Seq, and RIP-Seq (YB-1, YB-3) experiments performed in HEK293T cells, as well as in HEK293T cells with YB-1 knockout and overexpression. The data shows YB-1 function as a global translation inhibitor and YB-3 ability to substitute YB-1 in its function in YB-1 knockout mutant.

2020-01-08 | GSE130781 | GEO

Mechanism and transcriptional program of YB-1 in breast cancer cell lines.

2008-10-31 | GSE13410 | GEO

Mechanism and transcriptional program of YB-1 in breast cancer cell lines.

Project description:YB-1 controls epithelial-mesenchymal transitions by restricting translation of growth-related mRNAs and enabling expression of EMT-inducing transcription factors. We used microarrays to characterize the direct transcriptional and indirect translational regulation of mRNAs by exogenous YB-1 in breast cancer cell lines. Keywords: gene expression profiling To evaluate this in a genome-wide manner we compared microarray expression profiles of total mRNA and mRNAs isolated from Ps (translationally active) or post-Ps (translationally inactive) fractions of MCF10AT-MSCV vs. MCF10AT-YB-1 cells

2008-10-30 | E-GEOD-13410 | biostudies-arrayexpress

Changes in transcriptome and translatome upon YB-1 or YB-3 expression in double knockout HEK293T ΔYB-1ΔYB-3 cells

Project description:In this study, we generated transcriptome profiles from HEK293T, HEK293T ΔYB-1ΔYB-3, and HEK293T ΔYB-1ΔYB-3 with the restored expression of YB-1 and/or YB-3. The data are used to explore YB-1 and YB-3 influence on transcriptome and translatome and their functional interchangeability in transcription and translation.

2024-01-18 | GSE249895 | GEO

YB-1 affects response to paclitaxel in TNBCs by modulation of EGR1

Project description:For patients with triple negative breast tumours (TNBCs), lacking receptors for oestrogen, progesterone or HER2 on their cell surface, chemotherapy is the main treatment. The taxanes, paclitaxel (PTX) and docetaxel, have become the most commonly-used chemotherapies for these kinds of breast cancer. Although several targeted therapies are currently undergoing clinical trials for TNBC, because of the heterogeneous nature of TNBCs, it is predicted that these may often be used in combination with chemotherapy. Therefore an understanding of the mechanisms of chemotherapy resistance will continue to be important for the treatment of these patients. Given the pleiotropic nature of YB-1, the aim of this study was to understand whether there were mechanisms in addition to those discussed above, by which YB-1 controls response to PTX in TNBCs. We initially followed up two previously studied mechanisms, mediated by ABCB1/MDR1 and DUSP4. We then proceeded to use genomics to identify novel mechanisms by which YB-1 regulates the response of TNBCs to PTX. This analysis identified and experimentally validated EGR1, encoding the early growth response protein 1 (EGR1) as a previously undiscovered mechanism of YB-1-driven PTX resistance.

2015-09-02 | E-GEOD-60964 | biostudies-arrayexpress

The effects of YB1 knockdown on global gene expression in tumour cell lines.

Project description:Y-box binding factor 1 (YB1) has been associated with prognosis in many tumor types. Reduction of YB-1 inhibits tumor cell growth in vitro and in vivo Total RNA was isolated from A549, MCF7 and HCT116 tumor cell lines following 48hr treatment with 5nM Yb1 siRNA

2011-11-30 | E-GEOD-28433 | biostudies-arrayexpress

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