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TranscriptomicsNeonatal beta cells lack the specialized metabolic phenotype of mature beta cells
Fetal and neonatal beta cells have poor glucose-induced insulin secretion and only gain robust glucose responsiveness several weeks after birth. This unresponsiveness may be due to a generalized immaturity of the metabolic pathways normally found in beta cells. Gene expression profile of neonatal (1...
ORGANISM(S): Rattus norvegicus 
2011-02-22 | E-GEOD-24790 | biostudies-arrayexpress
TranscriptomicsProtective unfolded protein response in human pancreatic beta cells transplanted into mice
Islet transplantation exposes beta cells to mild hyperglycemia and to the abnormal environment of the transplant site. These conditions may affect beta cells and induce the expression of genes involved in beta cell damage. Gene expression profile of human beta cells exposed to mild hyperglycemia by ...
ORGANISM(S): Homo sapiens 
2010-06-08 | E-GEOD-22097 | biostudies-arrayexpress
TranscriptomicsCirculating Breast Tumor Cells Exhibit Dynamic Changes in Epithelial and Mesenchymal Cell Composition
By applying RNA-ISH and RNAseq to circulating tumor cells (CTCs), the study provides definitive evidence of epithelial to mesenchymal transition (EMT) across all histological types of breast cancer, identifying mediators such as FOXC1 and TGF-β signaling, and demonstrating dynamic treatment-associat...
ORGANISM(S): Homo sapiens 
2013-02-01 | E-GEOD-41245 | biostudies-arrayexpress
TranscriptomicsHER2 expression identifies dynamic functional states within circulating breast cancer cells
Circulating tumour cells in women with advanced oestrogen-receptor (ER)-positive/human epidermal growth factor receptor 2 (HER2)-negative breast cancer acquire a HER2-positive subpopulation after multiple courses of therapy. In contrast to HER2-amplified primary breast cancer, which is highly sensit...
ORGANISM(S): Homo sapiens 
2016-08-25 | E-GEOD-75367 | biostudies-arrayexpress
TranscriptomicsExpression data from zinc-finger-transcription-factor-induced Fulvestrant-Resistant MCF7 Cell Lines
Multiple gene expression studies have demonstrated that breast cancer biological diversity is associated with distinct transcriptional programs. Transcription factors, because of their unique ability to coordinate the expression of multiple genes, are speculated to play a role in generating phenotyp...
ORGANISM(S): Homo sapiens 
2011-07-17 | E-GEOD-27444 | biostudies-arrayexpress
Genomicsena-DATASET-MGH-10-02-2015-15:17:58:985-1 - samples
DNA was derived from the primary tumour, lung metastasis, and peri-aortic lymph node metastasis. DNA from the spleen was used as a normal control. For WE sequencing we user Hybrid capture (Nimblegen version 3.0) of the lymph node and lung metastases, primary tumour and spleen normal; we generated ~1...
EGAD00001001252 | EGA
Genomicsena-DATASET-MGH-10-02-2015-15:19:45:352-2 - samples
DNA was derived from the primary tumour, lung metastasis, and peri-aortic lymph node metastasis. DNA from the spleen was used as a normal control. WG sequencing produced ~30-fold (primary tumour, spleen normal)-50-fold (lung metastasis) coverage
EGAD00001001253 | EGA
GenomicsTherapeutic Resistance to PI3K-alpha Inhibitors
We have studied the tumor genomic evolution in a patient with metastatic breast cancer bearing an activating PIK3CA mutation. The patient was treated with the PI3Kα inhibitor BYL719 and achieved a lasting clinical response on BYL719, but eventually progressed to treatment and died shortly thereafter...
EGAS00001000991 | EGA
GenomicsMemorial Sloan Kettering Cancer Center - Human Oncology & Pathogenesis Program (HOOP) - Data Access Committee
Data Access Committee EGAC00001000305
EGAC00001000305 | EGA
TranscriptomicsA BRCA1 Deficient-Like Signature is Enriched in Breast Cancer Brain Metastases
Purpose: There is an unmet clinical need for biomarkers to identify breast cancer patients who are at increased risk of developing brain metastases. The objective is to identify gene signatures and biological pathways associated with HER2+ brain metastasis. Experimental Design: Gene expression of 1...
ORGANISM(S): Homo sapiens 
2014-04-24 | E-GEOD-43837 | biostudies-arrayexpress
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