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All rights reserved. http://resource.belframework.org/belframework/1.0/knowledge/large_corpus.bel http://purl.org/dc/elements/1.1/title BEL Framework Large Corpus Document http://resource.belframework.org/belframework/1.0/knowledge/large_corpus.bel http://purl.org/pav/authoredBy http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM#_4 http://resource.belframework.org/belframework/1.0/knowledge/large_corpus.bel http://purl.org/pav/version 1.4 http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM#_3 http://www.w3.org/ns/prov#value Hypoxia-inducible factor 1 (HIF-1) activates transcription of genes encoding angiogenic growth factors, which are secreted by hypoxic cells and stimulate endothelial cells, leading to angiogenesis. To determine whether HIF-1 also mediates cell-autonomous responses to hypoxia, we have compared gene expression profiles in arterial endothelial cells cultured under nonhypoxic versus hypoxic conditions and in nonhypoxic cells infected with adenovirus encoding beta-galactosidase versus a constitutively active form of HIF-1alpha (AdCA5). There were 245 gene probes that showed at least 1.5-fold increase in expression in response to hypoxia and in response to AdCA5; 325 gene probes showed at least 1.5-fold decrease in expression in response to hypoxia and in response to AdCA5. The largest category of genes down-regulated by both hypoxia and AdCA5 encoded proteins involved in cell growth/proliferation. Many genes up-regulated by both hypoxia and AdCA5 encoded cytokines/growth factors, receptors, and other signaling proteins. Transcription factors accounted for the largest group of HIF-1-regulated genes, indicating that HIF-1 controls a network of transcriptional responses to hypoxia in endothelial cells. Infection of endothelial cells with AdCA5 under nonhypoxic conditions was sufficient to induce increased basement membrane invasion and tube formation similar to the responses induced by hypoxia, indicating that HIF-1 mediates cell-autonomous activation of endothelial cells. http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM#_3 http://www.w3.org/ns/prov#wasQuotedFrom http://www.ncbi.nlm.nih.gov/pubmed/15374877 http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM#_4 http://www.w3.org/2000/01/rdf-schema#label Selventa http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM#assertion http://www.w3.org/ns/prov#hadPrimarySource http://www.ncbi.nlm.nih.gov/pubmed/15374877 http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM#assertion http://www.w3.org/ns/prov#wasDerivedFrom http://resource.belframework.org/belframework/1.0/knowledge/large_corpus.bel http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM#assertion http://www.w3.org/ns/prov#wasDerivedFrom http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM#_3 http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM#pubinfo http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM http://purl.org/dc/terms/created 2014-07-03T14:30:27.641+02:00 http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM http://purl.org/pav/createdBy http://orcid.org/0000-0001-6818-334X http://www.tkuhn.ch/bel2nanopub/RAS_bubA5_u8Zm4gfI6DAZO9SmXSplwWOifnDDiXMJjtM http://purl.org/pav/createdBy http://orcid.org/0000-0002-1267-0234