Protease-activated receptor-2 regulates cyclooxygenase-2 expression in human bile duct cancer via the pathways of mitogen-activated protein kinases and nuclear factor kappa B
2011
Background/purpose
Recent studies have suggested that protease-activated receptor-2 (PAR-2) activity correlates with cell proliferation and tumor growth, and its activation induces expression of cyclooxygenase-2 (COX-2). However, no previous reports have investigated PAR-2 signaling pathways in bile duct cancer. The aim of this study was to determine whether PAR-2 activation can regulate COX-2 expression via mitogen-activated protein kinases (MAPKs) and nuclear factor kappa B (NF-κB) in human bile duct cancer cells.
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