. . . . . . . . . "a(CHEBI:lipopolysaccharide) -> a(CHEBI:\"nitric oxide\")" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "Constitutively produced NO promoted tumor-cell invasiveness in vitro by down-regulating TIMP 2 and TIMP 3. In addition, there was up-regulation of MMP-2, when extra NO was induced by IFN-gamma and LPS" . . "Selventa" . . . . "2014-07-03T14:29:47.321+02:00"^^ . . .