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Identification of mRNAs modulated by overexpression of N-terminal G3BP

ABSTRACT: Transcripts upregulated or downregulated by overexpression of N-terminal G3BP were identified through expression profiling of a total of 12,135 genes in comparison with S2-013 clones in which N-terminal G3BP is overexpressed and control clones.

ORGANISM(S): Homo sapiens

PROVIDER: GSE23342 | GEO | 2010/07/31

SECONDARY ACCESSION(S): PRJNA131481

REPOSITORIES: GEO

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Identification of mRNAs modulated by overexpression of N-terminal G3BP

Project description:Transcripts upregulated or downregulated by overexpression of N-terminal G3BP were identified through expression profiling of a total of 12,135 genes in comparison with S2-013 clones in which N-terminal G3BP is overexpressed and control clones. We endeavored to identify factors and pathways regulated by CD24 and to obtain leads regarding the mechanism underpinning the observed phenotypic changes by performing cDNA microarray analysis on two S2-013 CD24 RNAi clones and two control clones. Total RNAs from two clones of S2-013 CD24 RNAi or control cells were mixed and used for cDNA microarray analysis.

2010-07-31 | E-GEOD-23342 | biostudies-arrayexpress

Identification of mRNAs modulated by knockdown of CD24

Project description:We endeavored to identify factors and pathways regulated by CD24 and to obtain leads regarding the mechanism by which CD24 inhibited the invasiveness and metastasis of pancreatic cancer cells by performing cDNA microarray analysis on S2-013 CD24 RNAi clones and control clones. The group of genes showing increased expression was mainly comprised of genes for molecules with functions related to RNA metabolism, transcription factors, proteases, and molecules involved in embryonic development and cell growth. The set of genes downregulated by knockdown of CD24 included the target mRNAs of a phosphorylation-dependent endoribonuclease G3BP that interacted with CD24. The target mRNAs of G3BP were identified in GSE17056. These results suggested that CD24 inhibited the RNase activity of G3BP, and that a function of CD24 was to inhibit the degradation of specific mRNAs. Transcripts upregulated or downregulated by knockdown of CD24 were identified through expression profiling of a total of 12,135 genes in S2-013 CD24 RNAi clones compared to control clones. Before labeling with Cy5 or Cy3, total RNA from two S2-013 CD24 RNAi clones were mixed and total RNA from two control clones were mixed. The supplementary files 'GSE17055_higher_siCD24.txt' and 'GSE17055_higher_control.txt' list the differentially expressed genes.

2010-06-24 | E-GEOD-17055 | biostudies-arrayexpress

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Project description:A phosphorylation-dependent endoribonuclease G3BP localizes in cytoplasmic stress granules (SGs). G3BP promotes SG assembly, oligomerizes, binds mRNA, and regulates levels of certain mRNAs. Transcripts bound to G3BP were identified through expression profiling of a total of 12,135 genes by immunoprecipitation (IP) with anti-G3BP or control IgG from S2-013 cells, converting the immunoprecipitated transcripts to cDNA by reverse transcription, and hybridizing these products to cDNA microarrays. Five G3BP-associated transcripts were identified.

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Identification of mRNAs modulated by knockdown of CD24

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Identification of mRNAs modulated by overexpression of N-terminal G3BP

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Project description:Transcripts upregulated or downregulated by HOXB7-MEK signaling were identified for use on the microarray using the Affymetrix GeneChip WT PLUS Reagent Kit in comparison with HOXB7-knockdown S2-013 cells that were transfected with rescue-HOXB7 plasmid and treated with MEK inhibitor, and HOXB7-knockdown S2-013 cells that were transfected with rescue-HOXB7 plasmid but not treated with MEK inhibitor.

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RNA immunoprecipitation (RIP) of KHSRP from pancreatic cancer cell extracts cultured on fibronectin

Project description:KHSRP-bound transcripts were identified by RNA immunoprecipitation and sequencing (RIP-Seq) and bioinformatics analysis. A pancreatic cancer cell line S2-013 was cultured on fibronectin. We performed RIP of KHSRP using anti-KHSRP antibody from the fibronectin-stimulated S2-013 extracts, and identified the associated RNAs using a next generation sequencer.

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