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Transcriptional profiling comparing MiaPaCa2 pancreatic cancer cells transfected with S100PBP siRNA to MiaPaCa2 cells transfected with non-targeting control siRNA

ABSTRACT: S100PBP is significantly down-regulated in pancreatic cancer compared to normal samples. The functional roles of S100PBP are unknown, and therefore, profiling cells after silencing of this gene may lead to further understanding of its functional mechanisms.

ORGANISM(S): Homo sapiens

PROVIDER: GSE35196 | GEO | 2014/01/01

SECONDARY ACCESSION(S): PRJNA155967

REPOSITORIES: GEO

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Transcriptional profiling comparing MiaPaCa2 pancreatic cancer cells transfected with S100PBP siRNA to MiaPaCa2 cells transfected with non-targeting control siRNA

Project description:S100PBP is significantly down-regulated in pancreatic cancer compared to normal samples. The functional roles of S100PBP are unknown, and therefore, profiling cells after silencing of this gene may lead to further understanding of its functional mechanisms. We have performed microarray gene expression analysis of MiaPaCa2 cells treated with S100PBP siRNA compared to the same cells transfected with non-targeting control siRNA.

2014-01-01 | E-GEOD-35196 | biostudies-arrayexpress

Transcriptional profiling comparing MiaPaCa2 pancreatic cancer cells transfected with S100PBP siRNA to MiaPaCa2 cells transfected with non-targeting control siRNA

| S-ECPF-GEOD-35196 | biostudies-other

Transcriptome profiling of human pancreatic cancer cell line Panc1, MiaPaCa2, AsPC1 transfected with NFATc1-siRNA against siRNA of scrambled sequence

Project description:Genome-wide studies on pancreatic adenocarcinoma (PDAC) have indicated that numerous genes involved in carcinogenesis are highly methylated in their promoter regions but nevertheless strongly transcribed. It has been proposed that transcription factors may specifically bind to methylated promoters and up-regulate transcription. Screening a protein microarray presenting 658 transcription factors, we found that molecules of the NFAT (Nuclear Factor of Activated T-Cells) family preferentially bound to methylated promoter sequences. One family member – NFATc1 – was also strongly expressed in PDAC compared to control samples. To further identify targets of NFATc1 and study involved pathways, we have used siRNA to knockdown NFATc1 in three pancreatic cancer cell lines (Panc1, MiaPaCa2, AsPC1) with the help of the illumina beadchip arrays and we compared the transcriptional profiles of the cell lines under different knockdown conditions. We identify ALDH1A3 as direct targets of NFATc1, that NFATc1 binds the methylated promoter of ALDH1A3 and accelerate PDAC progression.

2021-11-05 | E-MTAB-10122 | biostudies-arrayexpress

Transcriptional profiling comparing S100PBP over-expressing FA6 pancreatic cancer cells to vector-only control FA6 cells

2014-01-01 | GSE35198 | GEO

Transcriptional profiling comparing S100PBP over-expressing human FA6 pancreatic cancer cells to vector-only control FA6 cells

Project description:S100PBP is significantly down-regulated in pancreatic cancer compared to normal samples. The functional roles of S100PBP are unknown, and therefore, profiling cells over-expressing this gene may lead to further understanding of its functional mechanisms. We have performed microarray gene expression analysis of FA6 cells over-expressing S100PBP to vector-only control cells to gain clues on the cellular functions of S100PBP.

2014-01-01 | E-GEOD-35198 | biostudies-arrayexpress

Expression data from pancreatic cancer cell line MiaPaca2

2013-08-09 | GSE49586 | GEO

Expression data from pancreatic cancer cell line MiaPaca2

Project description:tumor-stroma crosstalk drives pancreatic carcinogenesis we used time-resolved genome-wide transcriptional profiling to analyse changes caused by co-exposure of pancreatic tumor and stellate cells pancreatic tumor cell line MiaPaca2 was treated with a supernatant of pancreatic stelalte cells, primed with cumulative TC-supernatant (of 8 tumor cell lines, TC) and harvested hourly at 1-7, and 24 hours post exposure for RNA extraction and hybridization on Affymetrix microarrays.

2013-08-09 | E-GEOD-49586 | biostudies-arrayexpress

Differential gene expression profiles between SUM149 cells transfected with control siRNA and SUM149 cells transfected with siRNA targeting tarzarotene-induced gene 1 (TIG1)

Project description:We identified tazarotene-induced gene 1 (TIG1) as a potential tumorigenic gene in IBC. To investigate the underlying mechanism by which TIG1 promotes tumor growth and invasiveness of IBC cells, we first sought to identify TIG1 functional partners by using DNA microarray analysis to compare gene expression profiles between SUM149 cells transfected with control siRNA and SUM149 cells transfected with siRNA targeting TIG1. We identified receptor tyrosine kinase Axl as a functional partner of TIG1. SUM149 cells transiently transfected with control siRNA or siRNA targeting TIG1 were used. Total RNA was extracted and purified using RNeasy mini kit (Qiagen, Inc.) according to the manufacturer’s instructions. The integrity of the obtained RNA was assessed using an Agilent 2100 BioAnalyzer (Agilent Technologies). The Affymetrix HGU133 plus platform was used for hybridization, staining, and imaging of the arrays by following the manufacturer’s instructions. Gene expression analysis was performed in triplicate.

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Expression data from pancreatic cancer cell line MiaPaca2 [control]

2013-08-09 | GSE49584 | GEO

Expression data from pancreatic cancer cell line MiaPaca2 [control]

Project description:tumor-stroma crosstalk drives pancreatic carcinogenesis we used time-resolved genome-wide transcriptional profiling to analyse changes caused by co-exposure of pancreatic tumor and stellate cells pancreatic tumor cell line MiaPaca2 was treated with a supernatant of pancreatic stellate cells and harvested hourly at 1-7, and 24 hours post exposure for RNA extraction and hybridization on Affymetrix microarrays.

2013-08-09 | E-GEOD-49584 | biostudies-arrayexpress

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