Project description:SChLAP1 is a novel long non-coding RNA expressed in prostate cancer. Here we performed transcriptional profiling of the prostate cancer cell lines LNCaP and 22Rv1 comparing non-targeting siRNA treatment versus SChLAP1-siRNA treatment. Goal was to determine the effect of SChLAP1 knockdown on gene expression in prostate cancer. Two-condition experiment: non-targeting siRNA versus SChLAP1 siRNA treated cells. Biological replicates: 1 control replicate, 2 treatment replicates. Technical replicates: 3 replicates per SChLAP1 siRNA. Cell lines: 22Rv1 and LNCaP.

2013-07-20 | E-GEOD-40383 | biostudies-arrayexpress

Prostate cancer cell lines: non-targeting siRNA versus SChLAP1-siRNA treated

2013-07-20 | GSE40383 | GEO

Targeting AR in prostate cancer with siRNA

Project description:We investigated the role of AR in castration-resistant prostate cancer cells using AR siRNA.

2025-03-15 | GSE147219 | GEO

Targeting GATA2 in prostate cancer with siRNA

Project description:We investigated the role of GATA2 in castration-resistant prostate cancer cells using GATA2 siRNA.

2025-03-15 | GSE147217 | GEO

siRNA Knockdown of SWI/SNF complex proteins in prostate cancer cell lines

Project description:Here we performed transcriptional profiling of the prostate cancer cell lines LNCaP and 22Rv1 comparing non-targeting siRNA treatment versus siRNAs targeting SWI/SNF complex proteins (SMARCA2, SMARCA4, and SMARCB1). Goal was to determine the effect of SWI/SNF knockdown on gene expression in prostate cancer. Two-condition experiment: non-targeting siRNA versus SWI/SNF-siRNA treated cells. Three SWI/SNF proteins were targeted: SMARCA2, SMARCA4, and SMARB1. Biological replicates: 1 control replicate, 2 treatment replicates per SWI/SNF protein. Technical replicates: 1 replicate per SWI/SNF protein. Cell lines: 22Rv1 and LNCaP.

2013-07-20 | E-GEOD-40384 | biostudies-arrayexpress

siRNA Knockdown of SWI/SNF complex proteins in prostate cancer cell lines

2013-07-20 | GSE40384 | GEO

22RV1 prostate cancer cell line transfected with SPINK1 siRNA vs control siRNA

Project description:ETS gene fusions have been characterized in a majority of prostate cancers, however key molecular alterations in ETS negative cancers are unclear. Here we used an outlier meta-analysis (meta-COPA) to identify SPINK1 outlier-expression exclusively in a subset of ETS rearrangement negative cancers (~10% of total cases). We validated the mutual exclusivity of SPINK1 expression and ETS fusion status, demonstrated that SPINK1 outlier-expression can be detected non-invasively in urine and observed that SPINK1 outlier-expression is an independent predictor of biochemical recurrence after resection. We identified the aggressive 22RV1 cell line as a SPINK1 outlier-expression model, and demonstrate that SPINK1 knockdown in 22RV1 attenuates invasion, suggesting a functional role in ETS rearrangement negative prostate cancers. Keywords: Genetic Modification 22RV1 cells were infected with non-targeting siRNA or siRNA against SPINK1. For reported hybridizations, the reference channel is 22RV1 cells infected with non-targeting siRNA. Duplicate hybridizations were performed with duplicate dye flips, for a total of four arrays. Over and under-expressed signatures were generated by filtering to include only features with significant differential expression (PValueLogRatio < 0.01) in all hybridizations and Cy5/Cy3 ratios > or < 1 in all hybridizations.

2008-06-10 | E-GEOD-11132 | biostudies-arrayexpress

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