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Microarray data from patients samples with triple negative breast cancer

ABSTRACT: Microarray data from patients samples with triple negative breast cancer

PROVIDER: PRJNA770267 | ENA |

REPOSITORIES: ENA

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Microarray data from patients samples with triple negative breast cancer

Project description:The genomic studies was designed to identify genes differentially expressed in tumor versus normal breast tissue. We aimed at identifying novel Antibody Drug Conjugate (ADC) targets that could be used to treat Triple Negative Breast Cancer (TNBC). Comparative genomic studies between normal breast and TNBC tissues, together with proteomic and bioinformatic analyses resulted in the elaboration of a catalog of potential ADC targets.

2021-10-12 | GSE185645 | GEO

CDK7-dependent Transcriptional Addiction in Triple-Negative Breast Cancer (Microarray)

Project description:Triple-negative breast cancer (TNBC) is a highly aggressive form of breast cancer that exhibits extremely high levels of genetic complexity and yet a relatively uniform transcriptional program. We postulate that TNBC might be highly dependent on uninterrupted transcription of a key set of genes within this gene expression program and might therefore be exceptionally sensitive to inhibitors of transcription. Utilizing a novel kinase inhibitor and CRISPR/Cas9-mediated gene editing, we show here that triple-negative but not ER/PR+ breast cancer cells are exceptionally dependent on CDK7, a transcriptional cyclin-dependent kinase. TNBC cells are unique in their dependence on this transcriptional CDK and suffer apoptotic cell death upon CDK7 inhibition. An “Achilles cluster” of TNBC-specific genes are extremely sensitive to CDK7 inhibition and frequently associated with super-enhancers. We conclude that CDK7 mediates transcriptional addiction to a vital cluster of genes in TNBC and CDK7 inhibition may be useful therapy for this challenging cancer. Expression microarrays in H3K27ac in triple-negative breast cancer +/- treatment with covalent CDK7 inhibitor THZ1 treatment

2015-09-24 | E-GEOD-69106 | biostudies-arrayexpress

7-Hydroxystaurosporine and Irinotecan Hydrochloride in Treating Patients With Metastatic or Unresectable Solid Tumors or Triple Negative Breast Cancer (Currently Accruing Only Triple-negative Breast Cancer Patients Since 6/8/2007)

Project description:This phase I trial is studying the side effects and best dose of giving 7-hydroxystaurosporine together with irinotecan hydrochloride in treating patients with metastatic or unresectable solid tumors, including triple-negative breast cancer (currently enrolling only patients with triple-negative breast cancer since 6/8/2007). Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Giving 7-hydroxystaurosporine together with irinotecan hydrochloride may help kill more cancer cells by making tumor cells more sensitive to the drug.

| 2007227 | ecrin-mdr-crc

Metastasis in triple-negative breast cancer

Project description:Metastasis in triple-negative breast cancer

| PRJNA437929 | ENA

RNAseq of triple negative breast cancer samples

Project description:We report RNAseq data from tumors obtained from patients with triple negative breast cancer Eight patients with II-III stageTNBC diagnosis (only one patient with IV oligometastatic stage) were included in the study. All patients received neoadjuvant chemotherapy based on sequential anthracyclines and taxanes ± platinum salts plus radiation therapy. Seven patients were evaluable for response and pathological complete response (RCB=0) was reached in 71.4% of the patients (2 patients with RCB=2). No patients received adjuvant systemic therapy.Tumor biopsies were obtained for RNAseq studies.

2022-10-20 | GSE206998 | GEO

XmaI-RRBS on triple negative breast carcinoma samples taken prior to chemotherapy

Project description:Triple negative breast carcinoma samples were taken prior to chemotherapy in order to identify epigenomic profiles predictive of neoadjuvant chemotherapy efficacy

2020-12-12 | GSE123712 | GEO

Pre-treatment expression data from neoadjuvant platinum & bevacizumab treated triple negative breast cancer patients

Project description:Gene expression data from 21 triple negative breast cancer samples treated with cisplatin & bevacizumab in the neoadjuvant setting as part of a clinical trial. Gene expression data RMA normalized was used to find predictors of platinum sensitivity

2018-02-19 | GSE103668 | GEO

Triple Negative Breast tumors: SPARC Positive Tumors vs SPARC Negative Tumors

Project description:The aim of this study was evaluate the transcriptome changes in the comparison between triple negative tumors with increased SPARC expression and triple negative tumors with decreased SPARC expression according to Nagai et al., 2011 (Breast Cancer Res Treat (2011) 126:1–14) The results generated could be of particular interest to better define the prognostic impact of SPARC expression in triple negative breast tumors

2018-07-01 | GSE98931 | GEO

Expression data for triple-negative breast cancer (TNBC) cells following chemotherapy

Project description:The mechanisms behind drug resistance and sensitivity in breast cancers relies on complex signalling pathways that involve the up or downregulation of certain genes. Many of these genes are involved in adhesion, growth, epithelial/mesenchymal transitions, and apoptosis. We used microarrays to assess differences in gene expression in triple-negative breast cancer cells in response to treatment. We examined the triple-negative human cell line HCC1806 treated with docetaxel or control DMSO. The purpose is to find out the early drug induced changes in this cell line.

2015-07-10 | E-GEOD-70690 | biostudies-arrayexpress

Molecular characteristics and metastasis predictor genes of triple-negative breast cancer

Project description:This microarray dataset contains 51 triple-negative breast cancers with clinical and recurrence information for at least 3 years of follow-up and 106 luminal breast cancers (reanalyzed data from Series GSE24124, GSE9309, and GSE17040). A novel set of 45-gene signature that was statistically predictive of distant metastasis recurrence for triple-negative breast cancer was identified in this study.

2012-11-01 | GSE33926 | GEO

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