. . . . . . . . . . . . "a(SCHEM:\"Tetradecanoylphorbol acetate\") -> r(HGNC:MMP9)" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "In U937 cells, PMA stimulated MMP9 expression, which was detected by quantitative RT-PCR, Western blotting, zymography, and an MMP9 activity ELISA assay (Fig. 1A)." . . "Selventa" . . . . "2014-07-03T14:30:54.766+02:00"^^ . . .