Transcriptomics

Dataset Information

19

Expression data from human umbilical vein endothelial cells (HUVECs) as a function of cell adhesion and VEGF exposure


ABSTRACT: Angiogenesis is tightly regulated by both soluble growth factors and cellular interactions with the extracellular matrix (ECM). While cell adhesion via integrins has been shown to be required for growth factor signaling and downstream angiogenesis, the effects of quantitative changes in cell adhesion and spreading against the ECM remain less clear. Examining changes in global gene expression in limited versus high adhesion contexts in human umbilical vein endothelial cells, we demonstrated a VEGF-induced upregulation of genes associated with vascular invasion and remodeling when cell adhesion was restricted, whereas cells on highly adhesive surfaces upregulated genes associated with a proliferative response. Overall design: HUVECs were cultured on micropatterned islands of fibronectin or allowed to spread fully for 2 hrs and then stimulated with 50ng/ml VEGF or no growth factor for 18 hrs in starve media. Sample RNA from three biological replicates was extracted and prepared for hybridization on Affymetrix microarrays.

INSTRUMENT(S): [HG-U133_Plus_2] Affymetrix Human Genome U133 Plus 2.0 Array

ORGANISM(S): Homo sapiens  

SUBMITTER: Colette Shen  

PROVIDER: GSE19098 | GEO | 2010-12-15

SECONDARY ACCESSION(S): PRJNA120523

REPOSITORIES: GEO

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