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ProteomicsQuantitative proteomics on wt-MCF7 versus their LTED derivatives using dimethyl labelling
Wild type (wt) MCF7 cells, modelling breast cancer at primary diagnosis, were cultured in phenol red-free RPMI supplemented with 10% FBS and 1nM estradiol (E2). Long-term oestrogen deprived (LTED) cell lines, which model resistance to endocrine therapy, were cultured in phenol red-free RPMI in the a...
ORGANISM(S): Homo sapiens (Human) 
2016-06-01 | PXD004085 | Pride
Mcf7 Lted Dimethyl labelling 
TranscriptomicsExpression data from MCF7 and LTED cells treated with YC-1
To identify novel therapeutic opportunities for patients with acquired resistance to endocrine treatments in breast cancer, we applied high-throughput screening to explore currently marketed drugs. The Ec50 values were determined for MCF7 and LTED cell lines to identify the compounds showing higher ...
ORGANISM(S): Homo sapiens 
2014-03-17 | E-GEOD-38829 | biostudies-arrayexpress
ProteomicsComparative shotgun proteomics in wt-SUM44 and SUM44-LTED, using RIME and dimethyl-labelling
Wild type (wt) SUM44 cells, modelling breast cancer at primary diagnosis, were cultured in phenol red-free RPMI supplemented with 10% FBS and 1nM estradiol (E2). Long-term oestrogen deprived (LTED) cell lines, which model resistance to endocrine therapy, were cultured in phenol red-free RPMI in the ...
ORGANISM(S): Homo sapiens (Human) 
2017-12-11 | PXD004807 | Pride
Breast cancer Rime Dimethyl-labelling Sum44 
ProteomicsER-RIME in wt-MCF7 and MCF7-LTED
Wild type (wt) MCF7 cells, modelling breast cancer at primary diagnosis, were cultured in phenol red-free RPMI supplemented with 10% FBS and 1nM estradiol (E2). Long-term oestrogen deprived (LTED) cell lines, which model resistance to endocrine therapy, were cultured in phenol red-free RPMI in the a...
ORGANISM(S): Homo sapiens (Human) 
2020-07-13 | PXD004648 | Pride
Breast cancer Mcf7 Rime Lc-ms/ms 
TranscriptomicsExpression profile of the endocrine therapy resistant breast cancer cells LTED depleted of PBX1 or treated with the gamma-secretase inhibitor MRK003
Analysis of the response to PBX1 deprivation either using an siRNA approach or using a chemicalcompound indirectly targeting it. Deprivation of PBX1 is hypothesized to be essential for the growth of endocrine therapy resistant breast cancer cells (LTED) Total RNA was obtained from cells treated with...
ORGANISM(S): Homo sapiens 
2013-05-01 | E-GEOD-36928 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of estrogen receptor positive breast cancer cell lines after long term estrogen deprivation
Hyperactivation of phosphatidylinositol-3 kinase (PI3K) promotes escape from hormone dependence in estrogen receptor-positive breast cancer. A significant fraction of breast cancers exhibit de novo or acquired resistance to estrogen deprivation. We used gene expression microarrays to identify genes...
ORGANISM(S): Homo sapiens 
2010-06-23 | E-GEOD-19639 | biostudies-arrayexpress
GenomicsEffect of knockdown of DIO3OS and PTBP1 on gene expression of MCF-7 LTED cells [cellseq]
Effect of knockdown of DIO3OS and PTBP1 on gene expression of MCF-7 LTED cells [cellseq]
PRJNA849412 | ENA
TranscriptomicsBreast cancer cells resistant to hormone deprivation maintain an estrogen receptor alpha-dependent, E2F-directed transcriptional program
A significant fraction of breast cancers exhibit de novo or acquired resistance to estrogen deprivation. To model resistance to aromatase inhibitor (AI) therapy, long-term estrogen-deprived (LTED) derivatives of MCF-7 and HCC-1428 cells were generated through culture for 3 and 7 months under hormone...
ORGANISM(S): Homo sapiens 
2012-05-13 | E-GEOD-22533 | biostudies-arrayexpress
TranscriptomicsRNA-Seq analysis of long-term estrogen-deprived (LTED) MDA-MB-134VI (MM134) and SUM44PE (SUM44) ILC cell lines
Background: Invasive lobular breast carcinoma (ILC) is a histological subtype of breast cancer that is characterized by loss of E-cadherin, and high expression of estrogen receptor alpha (ER). Many patients with ILC are effectively treated with adjuvant aromatase inhibitors (AIs), however, acquired ...
ORGANISM(S): Homo sapiens 
2018-08-30 | GSE116744 | GEO
TranscriptomicsExpression data from MCF7 and MCF7-LTED cells treated with YC-1
To identify novel therapeutic opportunities for patients with acquired resistance to endocrine treatments in breast cancer, we applied a high-throughput drug screen. The IC50 values were determined for MCF7 and MCF7-LTED cells.
ORGANISM(S): Homo sapiens 
2014-03-17 | GSE38829 | GEO
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