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Links from GEO DataSets

Items: 20

1.

Single-cell analysis reveals a stem cell program in human metastatic breast cancer cells (PDX mice - cancer cells)

(Submitter supplied) Despite major advances in understanding the molecular and genetic basis of cancer, metastasis remains the cause of >90% of cancer-related mortality1. Understanding metastasis initiation and progression is critical to develop new therapeutic strategies to treat and prevent metastatic disease. Prevailing theories hypothesize that metastases are seeded by rare tumor cells with unique properties, which may function like stem cells in their ability to initiate and propagate metastatic tumors.2 3-5 However, the identity of metastasis-initiating cells in human breast cancer remains elusive, and whether metastases are hierarchically organized is unknown.2 Here we show at the single-cell level that early stage metastatic cells possess a distinct stem-like gene expression signature. more...
Organism:
Homo sapiens
Type:
Expression profiling by RT-PCR
Platform:
GPL20665
1022 Samples
Download data: TXT
Series
Accession:
GSE70552
ID:
200070552
2.

Single-cell analysis reveals a stem cell program in human metastatic breast cancer cells

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.
Organism:
Homo sapiens
Type:
Expression profiling by RT-PCR
Platform:
GPL20665
1293 Samples
Download data
Series
Accession:
GSE70555
ID:
200070555
3.

Single-cell analysis reveals a stem cell program in human metastatic breast cancer cells (Human patients - mammary cells)

(Submitter supplied) Despite major advances in understanding the molecular and genetic basis of cancer, metastasis remains the cause of >90% of cancer-related mortality1. Understanding metastasis initiation and progression is critical to develop new therapeutic strategies to treat and prevent metastatic disease. Prevailing theories hypothesize that metastases are seeded by rare tumor cells with unique properties, which may function like stem cells in their ability to initiate and propagate metastatic tumors.2 3-5 However, the identity of metastasis-initiating cells in human breast cancer remains elusive, and whether metastases are hierarchically organized is unknown.2 Here we show at the single-cell level that early stage metastatic cells possess a distinct stem-like gene expression signature. more...
Organism:
Homo sapiens
Type:
Expression profiling by RT-PCR
Platform:
GPL20665
271 Samples
Download data: TXT
Series
Accession:
GSE70554
ID:
200070554
4.

Cancer stem cell subpopulations within the CD44high human breast cancer stem cell compartment

(Submitter supplied) The CD44hi compartment in human breast cancer is enriched in tumor-initiating cells, however the functional heterogeneity within this subpopulation remains poorly defined. From a human breast cancer cell line with a known bi-lineage phenotype we have isolated and cloned two CD44hi populations that exhibited mesenchymal/Basal B and luminal/Basal A features, respectively. Rather than CD44+/CD24-,Basal B (G4) cells, only CD44hi/CD24lo, epithelioid Basal A (A4) cells retained a tumor-initiating capacity in NOG mice, form mammospheres and exhibit resistance to standard chemotherapy. more...
Organism:
Homo sapiens
Type:
Expression profiling by array
Platform:
GPL6244
10 Samples
Download data: CEL
Series
Accession:
GSE32455
ID:
200032455
5.

Comparative transcriptome analysis of metastatic heterogeneity in a mouse model of breast cancer

(Submitter supplied) We aimed to understand the transcriptome patterns of organ-derived cancer cell isolates from MMTV-PyMT mice. Tissues from primary tumors and organs harboring distal metastases were harvested from cancer bearing female mice. Although metastatic progression from primary tumors to lung tissue is well studied in the MMTV-PyMT model, metastases to other distal organs and the significance of intratumor heterogeneity across metastases from distal organs remain unclear. more...
Organism:
Mus musculus
Type:
Expression profiling by high throughput sequencing
Platform:
GPL19057
17 Samples
Download data: CSV
Series
Accession:
GSE165393
ID:
200165393
6.

Identification of genes associated with breast cancer micrometastatic disease in bone marrow using a Patient Derived Xenograft mouse model

(Submitter supplied) In this study, using a Patient Derived Xenograft (PDX) system established by transplanting primary tumors from pre-metastatic breast cancer patients we demonstrate that development of distant organ metastases correlates with the presence of Bone Marrow Disseminated Tumor Cells (BM DTCs) in the PDX mice. Comparative gene expression analysis of bone marrow (BM) from tumor bearing PDX mice which developed metastatic disease was carried out with BM from non-tumor bearing controls. more...
Organism:
Homo sapiens; Mus musculus
Type:
Expression profiling by array
Platform:
GPL6244
11 Samples
Download data: CEL
Series
Accession:
GSE57947
ID:
200057947
7.

BRCA1 haploinsufficient Mesenchyme Derived from human peripheral blood Induced Pluripotent Stem Cell

(Submitter supplied) BRCA1 molecule, known to be implicated in DNA repair and its alterations were associated to familial breast cancer prediposition. Genome of the patients with familial breast cancer predispostion harbor some germinal alterations in BRCA1 locus. Cells from peripheral blood of human with haplodeficiency BRCA1 locus and also from comparative sample (BRCA1 unaffected) were collected to produce induced pluripotent stem cell by classical protocol (Yamanaka OKSM) and Sendai Stem cell reprogammation which was validated by expression assessment of pluripotent stem cell markers and induction of teratoma after xenotransplantation mice model. more...
Organism:
Homo sapiens
Type:
Expression profiling by array
Platform:
GPL16686
4 Samples
Download data: CEL
Series
Accession:
GSE104693
ID:
200104693
8.

ChIP-seq and RNA-Seq analyses of epithelial and mesenchymal cells - HMLE, N8, N8-CTx

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.
Organism:
Homo sapiens
Type:
Genome binding/occupancy profiling by high throughput sequencing; Expression profiling by high throughput sequencing
Platform:
GPL16791
29 Samples
Download data: BW, TXT
Series
Accession:
GSE74883
ID:
200074883
9.

RNA-Seq comparisons of gene expression profiles of epithelial and mesenchymal cells - HMLE, N8, N8-CTx

(Submitter supplied) We find that treating mesenchymal NAMEC8 cells with cholera toxin (CTx) to elevate intracellular cAMP levels and activate PKA induces a mesenchymal-to-epithelial transition whereby the cells assume an epithelial state (N8-CTx). NAMEC8 cells undergo epigenetic reprogramming triggered by active PHF2, a histone demethylase, which demethylates H3K9me2 and H3K9me3 regions of epithelial genes silencing in the mesenchymal state
Organism:
Homo sapiens
Type:
Expression profiling by high throughput sequencing
Platform:
GPL16791
20 Samples
Download data: TXT
10.

ChIP-seq comparisons of H3K9me2, H3K9me3 and PHF2 occupancy profiles of epithelial and mesenchymal cells - N8, N8-CTx

(Submitter supplied) We find that treating mesenchymal NAMEC8 cells with cholera toxin (CTx) to elevate intracellular cAMP levels and activate PKA induces a mesenchymal-to-epithelial transition whereby the cells assume an epithelial state (N8-CTx). NAMEC8 cells undergo epigenetic reprogramming triggered by active PHF2, a histone demethylase, which demethylates H3K9me2 and H3K9me3 regions of epithelial genes silencing in the mesenchymal state
Organism:
Homo sapiens
Type:
Genome binding/occupancy profiling by high throughput sequencing
Platform:
GPL16791
9 Samples
Download data: BW
Series
Accession:
GSE74865
ID:
200074865
11.

ANILLIN REGULATES BREAST CANCER CELL MIGRATION, GROWTH AND METASTASIS BY NON-CANONICAL MECHANISMS INVOLVING CONTROL OF CELL STEMNESS AND DIFFERENTIATION

(Submitter supplied) Breast cancer metastasis is driven by profound remodeling of the intracellular cytoskeleton enabling efficient cell migration. Anillin is a unique cytoskeletal scaffolding protein that regulates actin filaments, microtubules, septin polymers and Rho GTPases. Anillin is markedly overexpressed in breast cancer and other solid cancer, however its functions in cancer cells remain poorly understood. This study aims at investigating the roles of anillin in regulating breast cancer cell migration, invasion and metastasis. more...
Organism:
Homo sapiens
Type:
Expression profiling by high throughput sequencing
Platform:
GPL21290
6 Samples
Download data: TXT
12.

Increased metastatic capacity of breast cancer cells after interaction and hybrid formation with mesenchymal stroma/stem cells (MSC)

(Submitter supplied) Functional changes were investigated in vitro and in vivo following spontaneous fusion and hybrid cell formation in co-cultures of primary human mesenchymal stroma/stem-like cells (MSC) with human MDA-MB-231 breast cancer cells. Lentiviral fluorescence-labeled MSC with eGFP and breast cancer cells labeled with mcherry resulted in dual-fluorescing hybrid cells. Double FACS sorting and single cell cloning revealed two different aneuploid male hybrid populations (MDA-hyb1 and MDA-hyb2)
Organism:
Homo sapiens
Type:
Expression profiling by array
Platform:
GPL19034
4 Samples
Download data: TXT
Series
Accession:
GSE100551
ID:
200100551
13.

Expression data comparing KYSE-140 ESCC cell line CD90+ and CD90- cells

(Submitter supplied) To identify candidate genes involved in enhanced tumorigenicity and metastasis of CD90+ esophageal tumor-initiating cells.
Organism:
Homo sapiens
Type:
Expression profiling by array
Platform:
GPL570
2 Samples
Download data: CEL, CHP, PDF
Series
Accession:
GSE37949
ID:
200037949
14.

Tumorigenic-enriched (TE) and lung-metastatic (LM) derivatives and parental populations from the breast cancer MDA-MB-231 and CN34 cell lines

(Submitter supplied) The LM2 derivative cell line is described in Minn et al. Nature 2005. The LM1a derivative cell line is described in Tavazoie et al. Nature 2008.
Organism:
Homo sapiens
Type:
Expression profiling by array
Platform:
GPL6947
11 Samples
Download data: TXT
Series
Accession:
GSE52629
ID:
200052629
15.

Expression of miR-200c in claudin-low breast cancer alters stem cell functionality, enhances chemosensitivity and reduces metastatic potential

(Submitter supplied) Claudin-low tumors are a highly aggressive breast cancer subtype with no targeted treatments and a clinically documented resistance to chemotherapy. They are significantly enriched in cancer stem cells (CSCs), which makes claudin-low tumor models particularly attractive for studying CSC behavior and developing novel approaches to minimize CSC therapy resistance. One proposed mechanism by which CSCs arise is via an epithelial-mesenchymal transition (EMT), and reversal of this process may provide a potential therapeutic approach for increasing tumor chemosensitivity. more...
Organism:
Mus musculus
Type:
Expression profiling by array
Platform:
GPL11383
7 Samples
Download data
Series
Accession:
GSE62230
ID:
200062230
16.

Heterogeneity in MYC-Induced Mammary Tumors Determines Outcomes Following Loss of Myc Activity

(Submitter supplied) We used microarrays to compare gene expression profiles between mouse mammary tumors initiated by Myc to those that have escaped Myc oncogene dependence.
Organism:
Mus musculus
Type:
Expression profiling by array
Platform:
GPL8321
75 Samples
Download data: CEL
Series
Accession:
GSE22406
ID:
200022406
17.

Identification of signatures specific to the epithelial or mesenchymal phenotypes from the heterogeneous mammary epithelial HMLER cells

(Submitter supplied) To understand the role of the epithelial-to-mesenchymal transition (EMT) and its reverse MET dynamics between health and disease, the identification of epithelial (E)- and mesenchymal (M)-specific genes is essential. The aim of the study was to derive genes that are characteristic E and M phenotypes in breast-derived cells. Their identification can help to understand the functional meaning of their expression and dynamic changes of individual cells, whole cell populations, and tumors, and even patients. more...
Organism:
Homo sapiens
Type:
Expression profiling by array
Platform:
GPL6480
32 Samples
Download data: TXT
Series
Accession:
GSE66527
ID:
200066527
18.

RNA sequencing of siSNRNP40 in breast cancer cells

(Submitter supplied) To identify gene expression profile changes upon SNRNP40 depletion, RNA-sequencing was performed on breast cancer cells transfected with siRNAs targeting SNRNP40.
Organism:
Homo sapiens
Type:
Expression profiling by high throughput sequencing
Platform:
GPL16791
4 Samples
Download data: TXT
19.

Expression profiling by high throughput sequencing of tumors derived from human prostate epithelial cells transformed with the oncogenes N-Myc and myrAKT1.

(Submitter supplied) MYCN amplification and overexpression are common in neuroendocrine prostate cancer (NEPC). However, the impact of aberrant N-Myc expression in prostate tumorigenesis and the cellular origin of NEPC have not been established. We define N-Myc and activated AKT1 as oncogenic components sufficient to transform human prostate epithelial cells to prostate adenocarcinoma and NEPC including the small cell prostate carcinoma (SCPC) variant with phenotypic and molecular features of aggressive, late-stage human disease. more...
Organism:
Homo sapiens
Type:
Expression profiling by high throughput sequencing
Platform:
GPL16791
6 Samples
Download data: TXT
20.

SNP arrays of tumors derived from human prostate epithelial cells transformed with the oncogenes N-Myc and myrAKT1

(Submitter supplied) MYCN amplification and overexpression are common in neuroendocrine prostate cancer (NEPC). However, the impact of aberrant N-Myc expression in prostate tumorigenesis and the cellular origin of NEPC have not been established. We define N-Myc and activated AKT1 as oncogenic components sufficient to transform human prostate epithelial cells to prostate adenocarcinoma and NEPC including the small cell prostate carcinoma (SCPC) variant with phenotypic and molecular features of aggressive, late-stage human disease. more...
Organism:
Homo sapiens
Type:
Genome variation profiling by SNP array; Genome variation profiling by genome tiling array
Platform:
GPL16131
4 Samples
Download data: CEL, CYCHP
Series
Accession:
GSE77368
ID:
200077368
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