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Title: Tetracycline-Inducible Cyr61 effect on LN229 glioma cells      
dateReleased:
04-03-2012
description:
Glioblastoma multiforme is the most common and aggressive form of brain cancer. The use of oncolytic HSV-1 (oHSV) to selectively target brain cancer cells leading to their lytic destruction has shown to be very promising in a preclinical setting, but is lacking efficacy in clinical trials. Cyr61, a secreted extracellular matrix protein which functions to promote angiogenesis, migration, proliferation and tumorigenesis, was found to be upregulated rapidly following oHSV infection. Here we show, using microarray analysis, that Cyr61 expression leads to the induction of several genes with type 1 interferon function. We show that Cyr61 mediated type 1 IFN induction is through its interaction with integrin alpha6beta1 on the cell surface and results in oHSV inhibition, reducing the efficacy of this therapy. We used microarray to detail the global program of gene expression underlying Cyr61 mediated oncolytic HSV-1 inhibition and identified distinct classes of up-regulated genes during this process. Tetracycline-Inducible glioma cells expressing Cyr61 protein in the presence of doxycycline were treated with or without doxycycline for 24 hours. RNA was extracted and hybridized on Affymetrix microarray. Two groups: ± dox to induce cyr61, performed in triplicate.
privacy:
not applicable
aggregation:
instance of dataset
ID:
E-GEOD-29384
refinement:
raw
alternateIdentifiers:
29384
keywords:
functional genomics
dateModified:
08-12-2015
availability:
available
types:
gene expression
name:
Homo sapiens
ID:
A-AFFY-44
name:
Affymetrix GeneChip Human Genome U133 Plus 2.0 [HG-U133_Plus_2]
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-29384/E-GEOD-29384.raw.1.zip
storedIn:
ArrayExpress
qualifier:
gzip compressed
format:
TXT
accessType:
download
authentication:
none
authorization:
none
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-29384/E-GEOD-29384.processed.1.zip
storedIn:
ArrayExpress
qualifier:
gzip compressed
format:
TXT
accessType:
download
authentication:
none
authorization:
none
accessURL: https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE29384
storedIn:
Gene Expression Omnibus
qualifier:
not compressed
format:
HTML
accessType:
landing page
primary:
true
authentication:
none
authorization:
none
abbreviation:
EBI
homePage: http://www.ebi.ac.uk/
ID:
SCR:004727
name:
European Bioinformatics Institute
homePage: https://www.ebi.ac.uk/arrayexpress/
ID:
SCR:002964
name:
ArrayExpress
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