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Human breast cancer cell lines: vehicle vs. BMP7 incubation

ABSTRACT: Bone morphogenetic proteins (BMPs) are members of the TGF-β superfamily of growth factors. They are known for their roles in regulation of osteogenesis and developmental processes and, in recent years, evidence has accumulated of their crucial functions in tumor biology. BMP7, in particular, has been implicated in breast cancer. However, little is known about BMP target genes in the context of tumor. We therefore explored the effects of BMP7 treatment on global gene transcription in five breast cancer cell lines during a 6-point time series. Data analysis included hierarchical clustering of differentially expressed genes, gene ontology enrichment analyses and model based clustering of temporal data. BMP7 had a strong effect on gene expression. The cellular functions most strongly affected were regulation of transcription and development. The observed transcriptional response followed a temporal sequence. Hierarchical clustering revealed distinct differences in the response of individual cell lines to BMP7, but also highlighted a synexpression group of genes. Finally, this study provides a list of potential novel BMP target genes relevant in breast cancer.

ORGANISM(S): Homo sapiens

PROVIDER: GSE31604 | GEO | 2012/03/22

SECONDARY ACCESSION(S): PRJNA154999

REPOSITORIES: GEO

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Human breast cancer cell lines: vehicle vs. BMP7 incubation

Project description:Bone morphogenetic proteins (BMPs) are members of the TGF-β superfamily of growth factors. They are known for their roles in regulation of osteogenesis and developmental processes and, in recent years, evidence has accumulated of their crucial functions in tumor biology. BMP7, in particular, has been implicated in breast cancer. However, little is known about BMP target genes in the context of tumor. We therefore explored the effects of BMP7 treatment on global gene transcription in five breast cancer cell lines during a 6-point time series. Data analysis included hierarchical clustering of differentially expressed genes, gene ontology enrichment analyses and model based clustering of temporal data. BMP7 had a strong effect on gene expression. The cellular functions most strongly affected were regulation of transcription and development. The observed transcriptional response followed a temporal sequence. Hierarchical clustering revealed distinct differences in the response of individual cell lines to BMP7, but also highlighted a synexpression group of genes. Finally, this study provides a list of potential novel BMP target genes relevant in breast cancer. Two-condition experiment, vehicle-treated vs. BMP7-treated. Five cell lines were tested at six time points each, what makes a total of 30 samples. RNA samples from three biological replicates were pooled before hybridization.

2012-03-22 | E-GEOD-31604 | biostudies-arrayexpress

Human breast cancer cell lines: vehicle vs. BMP4 incubation

Project description:Bone morphogenetic proteins (BMPs) are members of the TGF-β superfamily of growth factors. They are known for their roles in regulation of osteogenesis and developmental processes and, in recent years, evidence has accumulated of their crucial functions in tumor biology. BMP4, in particular, has been implicated in breast cancer. However, little is known about BMP target genes in the context of tumor. We therefore explored the effects of BMP4 treatment on global gene transcription in five breast cancer cell lines during a 6-point time series. Data analysis included hierarchical clustering of differentially expressed genes, gene ontology enrichment analyses and model based clustering of temporal data. BMP4 had a strong effect on gene expression. The cellular functions most strongly affected were regulation of transcription and development. The observed transcriptional response, as well as its functional outcome, followed a temporal sequence, with regulation of gene expression and signal transduction leading to changes in metabolism and cell proliferation. Hierarchical clustering revealed distinct differences in the response of individual cell lines to BMP4, but also highlighted a synexpression group of genes. Finally, this study provides a list of potential novel BMP target genes relevant in breast cancer. Two-condition experiment, vehicle-treated vs. BMP4-treated. Five cell lines were tested at six time points each, what makes a total of 30 samples. RNA samples from three biological replicates were pooled before hybridization.

2012-03-22 | E-GEOD-31603 | biostudies-arrayexpress

Human breast cancer cell lines: vehicle vs. BMP4 incubation

Project description:Bone morphogenetic proteins (BMPs) are members of the TGF-β superfamily of growth factors. They are known for their roles in regulation of osteogenesis and developmental processes and, in recent years, evidence has accumulated of their crucial functions in tumor biology. BMP4, in particular, has been implicated in breast cancer. However, little is known about BMP target genes in the context of tumor. We therefore explored the effects of BMP4 treatment on global gene transcription in five breast cancer cell lines during a 6-point time series. Data analysis included hierarchical clustering of differentially expressed genes, gene ontology enrichment analyses and model based clustering of temporal data. BMP4 had a strong effect on gene expression. The cellular functions most strongly affected were regulation of transcription and development. The observed transcriptional response, as well as its functional outcome, followed a temporal sequence, with regulation of gene expression and signal transduction leading to changes in metabolism and cell proliferation. Hierarchical clustering revealed distinct differences in the response of individual cell lines to BMP4, but also highlighted a synexpression group of genes. Finally, this study provides a list of potential novel BMP target genes relevant in breast cancer.

2012-03-22 | GSE31603 | GEO

Identification of novel BMP target genes in glioblastoma

Project description:It has been previously described that in glioblastoma (GBM), BMPs deplete the tumorigenic potential of glioblastoma stem cells (GSCs), promoting their differentiation towards the astrocytic lineage. To gain more insight on how BMPs regulate differentiation in GSCs, we are interested in identifying new BMP target genes in GBM cells. To this end, the patient derived glioblastoma cell lines U3031MG and U3034MG were stimulated or not with 30ng/ml BMP7 for 2 and 24 h, total RNA was isolated from three biological replicates per condition, and a microarray screen with the Affymetrix U133plus2 platform was performed.

2021-05-01 | E-MTAB-9811 | biostudies-arrayexpress

Transforming growth factor β (TGFβ) and BMP7 regulate glioblastoma stem cells differentiation status

Project description:Glioblastoma stem cells (GSCs) fate is controlled by environmental cues, among which cytokines play a crucial role. The transforming growth factor β (TGFβ) family signaling pathways controls GSCs. On one hand, TGFβ promotes cell proliferation in GBM, it induces the expression of platelet-derived growth factor-B (PDGFB). Moreover, TGFβ, via its signaling mediators Smad2/3, induces the expression of the cytokine leukemia inhibitory factor (LIF) and Sox4, which in turn enhances the expression of the stem cell transcription factor Sox2; this increases the self-renewal capacity of the GSCs and their stemness characteristics, and enhances the GSC tumor-initiating potential. On the other hand, Bone morphogenic proteins (BMPs) are known to promote GSC differentiation towards the astrocytic phenotype. To further understand which genes are regulated by TGFβ and BMP7 in GSCs we performed a microarray in the Affymetrix HTA2 platform in three different glioblastoma cell line, U2987, and two patient-derived glioblastoma stem cells, U3031MG and U3034MG, in the presence or absence of 5 ng/ml of TGFβ or 30 ng/ml BMP7 for 24 h, three biological replicates per condition.

2020-09-01 | E-MTAB-9076 | biostudies-arrayexpress

Expression profiles of glioblastoma stem cells (GSC) treated with BMP7

Project description:Comparison of untreated and BMP7 treated GSC We used microarrays to identify gene profiles of GSC modulated by BMP7 treatment

2015-10-01 | GSE68030 | GEO

CCL171, T47D, MDA-MB231 cell lines: stimulation with BMP7 and antagonists

Project description:Methods: We used an ex vivo culture model and measured gene expression changes in human lung fibroblasts after stimulation with BMPs and their antagonists using HEEBO microarrays. The in vitro data were correlated with in vivo observations in published expression datasets of human lung adenocarcinomas. Results: We have systematically analyzed the response to BMP2, BMP4, BMP7 and their antagonists, gremlin and noggin, to define common and specific gene expression patterns. A BMP2 induced gene expression signature was defined, which is specific for stromal fibroblasts. Gene expression profiles from lung adenocarcinoma biopsies were analyzed to determine the prognostic significance of the Fibroblast specific BMP2 induced gene list. This gene list successfully segregated patients with different prognostic outcome in 3 datasets. In a small dataset (Garber et al.) there was a strong trend for a worse prognosis of patients with adenocarcinomas of all stages over-expressing the Fibroblast specific BMP2 induced gene list. In two larger datasets with stage I adenocarcinomas we observed a significantly worse disease-free (p=0.002, Lee et al. and p=0.002, Bhattacharjee et al.) and overall survival (p=0.0002). Conclusions: The effects of BMPs and their antagonists are heterogeneous in different cell types. The gene expression pattern induced by BMP2 in primary lung fibroblasts may predict outcomes of patients with lung adenocarcinomas. A stimulus or stress experiment design type is where that tests response of an organism(s) to stress/stimulus. e.g. osmotic stress, behavioral treatment stimulus_or_stress_design

2016-02-19 | E-GEOD-66108 | biostudies-arrayexpress

Expression analysis of BMP7 responsive P2RY1/ALK3 expressing progenitor like cells within the human exocrine pancreas

Project description:Purpose: Here we demonstrate ALK3Bright/PDX1+ cells residing within the human pancreatic ducts have progenitor like characteristics. Using flow cytometery, live-cell sorting of ALK3bright/PDX1+ cells is possible using a surrogate surface marker for PDX1 (P2RY1). Treating ALK3bright/P2RY1+ cells with BMP7 results in their expansion. Later removal of BMP7 results in the differentiation of these cells to β-like cells. Here we compare the mRNA expression profiles of these three different cell types (in triplicate). Methods: mRNA profiles of ALK3Bright/P2RY1+ cells isolated from human non-endocrine pancreatic tissue, ALK3Bright/P2RY1+ cells treated with BMP7 and ALK3Bright/P2RY1+ cells differentiated to β-like cells after BMP7 removal were generated by deep sequencing, in triplicate, using Illumina HiSeq PE Cluster Kit v4 and Illumina HiSeq Flow Cell v4 with 50 nt paired end reads plus dual index reads using the Illumina HiSeq SBS kit v4. Sequence reads that passed quality filters were analyzed at the transcript isoform level following alignment using TopHat v2.1.0 followed by exon and gene level counting using Bioconductor easyRNASeq v 2.4.7. Conclusions: Our study represents the first detailed analysis of ALK3Bright/P2RY1+ sorted cells with biological replicates. We demonstrate ALK3Bright/P2RY1+ cells were shown to form progenitor-like epithelial colonies characterized by NKX6.1 and PDX1 expression. Unlike the negative fraction controls, these colonies responded to BMP-7 by generating new β-like cells as well as cells from other pancreatic lineages. The transcriptional profile of these cells and their BMP7 treated counterparts suggest a mitotic and progenitor like state. Our studies confirm the progenitor-like nature of ALK3Bright/PDX1+ cells within the human pancreas and suggest a specific anatomical location within the ductal network.

2018-02-08 | GSE104120 | GEO

microRNA expression in C3H10T1/2 cells treated with BMP7 vs vehicle

Project description:Multipotent C3H10T1/2 cells can be induced to differentiate into mature brown adipocytes by 3-days BMP7 pretreatment followed by standard adipogenic induction. In this study, we used microRNA array to identify the microRNAs that were regulated by 3-days BMP7 treatment in C3H10T1/2 cells. One BMP7-treated sample and one vehicle-treated sample were used in this study to obtain the fold expression of microRNAs between BMP7 vs vehicle.

2015-07-22 | E-GEOD-71157 | biostudies-arrayexpress

CCL171, T47D, MDA-MB231 cell lines: stimulation with BMP7 and antagonists

2016-02-19 | GSE66108 | GEO

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