Study of regulation of promatrix metalloproteinase-9 (MMP-9) by osteopontin (OPN) through IKK signaling pathway. Proteins on this pathway have targeted assays available via the [CPTAC Assay Portal](https://assays.cancer.gov/available_assays?wp_id=WP1434). d89 16012053 PubMed Osteopontin: it's role in regulation of cell motility and nuclear factor kappa B-mediated urokinase type plasminogen activator expression. IUBMB Life 2005 Das R Philip S Mahabeleshwar GH Bulbule A Kundu GC signaling pathway pertinent to development PW:0000650 Pathway Ontology signaling pathway PW:0000003 Pathway Ontology