Unknown,Transcriptomics,Genomics,Proteomics

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Transcriptomic analysis of human breast and prostate cancer cell lines on lysophosphatidic acid (LPA) stimulation

ABSTRACT: LPA is a natural bioactive lipid with growth factor-like functions due to activation of series of six G protein-coupled receptors (LPA1-6). In this study we determine the LPA induced early-gene expression profile in three unrelated human cancer cell lines (MDA-MB-231, MCF7, PC3) with an objective to identify potential biomarker/s specifically upregulated through the activation of LPA receptor type 1 (LPA1) MDA-MB-231, MCF7, PC3 cells were serum starved for 24h and then stimulated with LPA (1µM) for 45min. The controls were the serum starved unstimulated cells. Two replicates for each sample were included in this study. Microarray analysis was performed using a high-density oligonucleotide array (GeneChip Human Genome U133 plus 2.0 array, Affymetrix)

ORGANISM(S): Homo sapiens

SUBMITTER: Olivier Peyruchaud 

PROVIDER: E-GEOD-56265 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Identification of heparin-binding EGF-like growth factor (HB-EGF) as a biomarker for lysophosphatidic acid receptor type 1 (LPA1) activation in human breast and prostate cancers.

David Marion M   Sahay Debashish D   Mege Florence F   Descotes Françoise F   Leblanc Raphaël R   Ribeiro Johnny J   Clézardin Philippe P   Peyruchaud Olivier O  

PloS one 20140514 5

Lysophosphatidic acid (LPA) is a natural bioactive lipid with growth factor-like functions due to activation of a series of six G protein-coupled receptors (LPA₁₋₆). LPA receptor type 1 (LPA₁) signaling influences the pathophysiology of many diseases including cancer, obesity, rheumatoid arthritis, as well as lung, liver and kidney fibrosis. Therefore, LPA₁ is an attractive therapeutic target. However, most mammalian cells co-express multiple LPA receptors whose co-activation impairs the validat  ...[more]

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