sub:provenance {
  beldoc: dce:description "Approximately 61,000 statements." ;
    dce:rights "Copyright (c) 2011-2012, Selventa. All rights reserved." ;
    dce:title "BEL Framework Large Corpus Document" ;
    pav:authoredBy sub:_4 ;
    pav:version "1.4" .
  sub:_3 prov:value "inhibition of ERK by conditional overexpression of an ERK phosphatase was associated with a decrease in the matrix-degrading activity of MMPs in vitro and in the tissue invasiveness of tumors in vivo. increased angiogenesis promoted by decreased RKIP expression increases the number of blood vessels available for cancer cells to invade, which results in a greater opportunity for the establishment of metastases." ;
    prov:wasQuotedFrom pubmed:12813171 .
  sub:_4 rdfs:label "Selventa" .
  sub:assertion prov:hadPrimarySource pubmed:12813171 ;
    prov:wasDerivedFrom beldoc: , sub:_3 .
}