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- _4 label "Selventa" provenance.
- large_corpus.bel rights "Copyright (c) 2011-2012, Selventa. All rights reserved." provenance.
- _3 value "To determine whether activation of the Wnt pathway directly up-regulates the VEGF promoter, an oncogenic �-cateninS37A was transfected with the 2.8-kb VEGF-pGL2 reporter into HeLa cells. A critical serine phosphorylation site at amino acid 37 that ordinarily targets �-catenin for degradation has been mutated (10) . Fig. 1D. Citation illustrates a linear dose response to the effects of �-cateninS37A. The peak response was observed when 1.25 �g of expression vector was cotransfected with 0.75 �g of reporter vector, resulting in a >30-fold stimulation of VEGF promoter activity. In independent studies, HeLa cells were treated with 25 mM LiCl, an inhibitor of GSK-3� kinase activity. GSK-3� is a negative regulator of Wnt signaling, and inhibiting GSK-3� with LiCl resulted in a 2.2-fold increase in VEGF promoter activity. Collectively, these findings indicate that activation of Wnt signaling up-regulates VEGF expression in colonic neoplasia. (from full text) " provenance.
- _3 wasQuotedFrom 11507052 provenance.
- assertion hadPrimarySource 11507052 provenance.
- large_corpus.bel title "BEL Framework Large Corpus Document" provenance.
- large_corpus.bel description "Approximately 61,000 statements." provenance.
- assertion wasDerivedFrom large_corpus.bel provenance.
- assertion wasDerivedFrom _3 provenance.
- large_corpus.bel authoredBy _4 provenance.
- large_corpus.bel version "1.4" provenance.