Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA150723 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR399297.fastq.gz | Fastqsanger.gz | |||
| SRR399298.fastq.gz | Fastqsanger.gz | |||
| SRR399299.fastq.gz | Fastqsanger.gz | |||
| SRR399300.fastq.gz | Fastqsanger.gz | |||
| SRR399301.fastq.gz | Fastqsanger.gz |
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Project description:Prostate cancer is the most common cancer in men and cardiac glycosides inhibit prostate cancer cell proliferation. In order to investigate the mechanism by which cardiac glycosides inhibit prostate cancer cells, we observed genome-wide RNA expression in prostate cancer LNCaP-abl cells, hormone resistant cells, after the cardiac glycoside treatment using RNA-Seq. In addition, we profiled LNCaP-abl cells after androgen receptor (AR) knockdown to observe whether cardiac glycoside effect on RNA expression is similar to that of AR knockdown. Observation of three cardioglycosides, Digoxin, Peruvoside and Strophanthidin, and AR knockdown regulated RNA expression in LNCaP-abl with RNA-Seq (each triplicates)
2012-04-03 | E-GEOD-35126 | biostudies-arrayexpress
Project description:Prostate cancer is the most common cancer in men and cardiac glycosides inhibit prostate cancer cell proliferation. In order to investigate the mechanism by which cardiac glycosides inhibit prostate cancer cells, we observed genome-wide RNA expression in prostate cancer LNCaP-abl cells, hormone resistant cells, after the cardiac glycoside treatment using RNA-Seq. In addition, we profiled LNCaP-abl cells after androgen receptor (AR) knockdown to observe whether cardiac glycoside effect on RNA expression is similar to that of AR knockdown.
2012-04-04 | GSE35126 | GEO
Project description:In this study the development of androgen independence in a cell model of disease was selected as a mirror of to the events at play in the development of Castrate Resistant Prostate Cancer in-vivo. LNCaP cells which are androgen dependent and androgen independent sublines; LNCaP-Abl and LNCaP-Abl-Hof were subject to extensive fractionation by 1-D SDS PAGE and accurate mass-high resolution mass spectrometry (Q Exactive) to identify proteins whose expression was changes significantly in response to androgen independent growth.
2022-02-28 | PXD000751 | Pride
Project description:Effect of MPC309 (an AR-targeting Multivalent Peptoid Conjugate) treatment on gene expression in LNCaP-ABL cells (a castration-resistant prostate cancer cell line) in comparison to Vehicle control and another well-known AR ligand, Ethisterone (partial agonist). Prostate cancers adapt to androgen receptor (AR) pathway inhibitors and progress to castration resistance due to ongoing AR expression and function. To counter this, we developed a new approach to modulate the AR and inhibit castration-resistant prostate cancer (CRPC) using multivalent peptoid conjugates (MPCs) that contain multiple copies of the AR-targeting ligand ethisterone attached to a peptidomimetic scaffold. To determine if the effects of MPC309 differ from those of ethisterone alone, we conducted RNA-seq analysis on LNCaP-abl cells. These cells were treated overnight with either a control vehicle (DMSO), MPC309, or ethisterone. Our analysis revealed that there was minimal overlap in the genes regulated by MPC309 and ethisterone alone.
2023-07-11 | GSE236088 | GEO
Project description:EZH2 is frequently over-expressed in aggressive and metastatic solid tumors, including castration resistant prostate cancer (CRPC). We sought to determine EZH2-dependent gene expression programmes in prostate cancer progression, and found an intriguing functional switch of EZH2 from a repressor to an activator during CRPC development. We used microarrays to detail the global profiling of gene expression that are differentially regulated upon EZH2 depletion in two different prostate cancer cell lines. The androgen-dependent prostate cancer cell line LNCaP and the LNCaP-derived androgen-independent cell line LNCaP-abl (abl) were used for this study, as their transcription profiles strongly resemble that of clinical androgen-dependent and castration resistant prostate tumors, respectively. EZH2 was silenced by specific siRNAs in both cell lines, and total RNA was extracted and hybridized on Affymetrix microarrays.
2012-11-30 | E-GEOD-39452 | biostudies-arrayexpress
Project description:Genome wide DNA methylation profiling of androgen-sensitive and –refractory prostate cancer cells. The Illumina Infinium HumanMethylation450 Beadchip was used to obtain DNA methylation profiles across approximately 480.000 CpGs in Prostate cancer cell lines showing different sensitivity to hormonal treatments. Samples included the androgen receptor negative cell lines PC3 and DU145, the androgen sensitive cell line LNCaP and the LNCaP abl cell line expressing androgen receptor but refractory prostate cancer cell line to hormonal treatments.
2023-12-31 | GSE217962 | GEO
Project description:Purpose: Resistance to androgen deprivation therapies is a major driver of mortality in advanced prostate cancer. Therefore, there is a need to develop new pre-clinical models that allow the investigation of resistance mechanisms and the assessment of drugs for the treatment of castration resistant prostate cancer. Methods: We generated two novel cell line models (LAPC4-CR and VCaP-CR) which were derived by passaging LAPC4 and VCaP cells in vivo and in vitro under castrate conditions. We performed detailed transcriptomic (RNA-seq) to delineate expression differences between castration-sensitive and castration-resistant cell lines. LAPC4-CR and VCaP-CR cell lines maintained AR expression, but exhibited distinct expression changes on the mRNA and protein level. Integrated analyses including data from LNCaP and the previously described castration resistant LNCaP-abl cells revealed an expression signature of castration resistance. Results: Integrated analyses including data from LNCaP and the previously described castration resistant LNCaP-abl cells revealed an expression signature of castration resistance.
2021-06-27 | GSE178963 | GEO
Project description:Androgen receptor (AR) is a ligand-dependent transcription factor that plays a key role in the onset and progression of prostate cancer. We investigated AR-induced gene expression in prostate cancer cells LNCaP and abl by transfecting siAR / siControl or treating cells with androgen (DHT) over a time course. Experiment Overall Design: We hybridized RNA to Affymetrix human genome U133 plus 2.0 arrays.
2009-08-07 | E-GEOD-11428 | biostudies-arrayexpress
Project description:We introduce a family of multivalent peptidomimetic conjugates that modulate the activity of the androgen receptor (AR). Bioactive ethisterone ligands were conjugated to a set of sequence-specific peptoid oligomers. Certain multivalent peptoid conjugates enhance AR-mediated transcriptional activation. We identify a linear and a cyclic conjugate that exhibit potent anti-proliferative activity in LNCaP-abl cells, a model of therapy-resistant prostate cancer. The linear conjugate blocks AR action by competing for ligand binding. In contrast, the cyclic conjugate is active despite its inability to compete against endogenous ligand for binding to AR in vitro, suggesting a non-competitive mode of action. These results establish a versatile platform to design competitive and non-competitive AR modulators with potential therapeutic significance. We use microarray analysis to further elucidate the mechanism of AR antagonism and show that the compounds (cyc and n=8) are distinct. We used microarray analysis to see genone-wide effects on LNCaP-abl cells with moduators of AR activity LNCaP-abl cells were treated with compound and RNA was extracted and hybridized on Affymetrix microarrays Treatments: Vehicle is just Ethanol treated LNCaP-abl cells that were used as a control. n=8 and cyc are peptoid conjugates that modulate AR activity. n=8 is linear and cyc is a cyclic compounds. We wanted to look at gene expression when LNCaP-abl cells were treated with these compounds to show that they are distinct. C3 is a small molecule that inhibits the interaction between AR and beta-catenin (co-regulator protein). Initial results with this compound show potent anti-proliferative activity in LNCaP-abl cells and we wanted to further investigate the mechanism of action of this compound.
2012-12-21 | E-GEOD-37796 | biostudies-arrayexpress
Project description:Androgen receptor (AR) is a ligand-dependent transcription factor that plays a key role in the onset and progression of prostate cancer. We investigated AR-induced gene expression in prostate cancer cells LNCaP and abl by transfecting siAR / siControl or treating cells with androgen (DHT) over a time course. Keywords: siRNA transfection and androgen stimulation time course
2009-07-25 | GSE11428 | GEO