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Serine protease inhibitor, Kazal type 1 (SPINK1) is expressed not only in normal human pancreatic acinar cells but also in a variety of pancreatic ductal neoplasms. There are structural similarities between SPINK1 and epidermal growth factor (EGF). Hence, we hypothesized that SPINK1 binds to EGF
OBJECTIVE
Preclinically, HIV protease inhibitors radiosensitize tumors with activated PI3-kinase/Akt pathway. We determined the toxicity of nelfinavir chemoradiotherapy in borderline resectable and unresectable pancreatic cancer.
METHODS
Oral nelfinavir (2 x 1,250 mg) was started 3 days before and
Protease-activated receptor-2 (PAR-2) is a G protein-coupled receptor that functions as a cell-surface sensor for coagulation factors and other proteases associated with the tumour microenvironment. Pancreatic cancer cells express high levels of PAR-2 and activation of PAR-2 may induce their
Pain treatment is a critical aspect of pancreatic cancer patient clinical care. This study investigated the role of trypsin-protease activated receptor-2 (PAR-2) in pancreatic cancer pain. Pancreatic tissue samples were collected from pancreatic cancer (n=22) and control patients (n=22).
We examined the inhibitory effect of a serine protease inhibitor, FOY-305, on the invasion and metastasis of human pancreatic cancers. The in vitro matrigel invasion assay showed that the invasiveness of Capan-1 human pancreatic cancer cells was inhibited by FOY-305 treatment in a dose-dependent
In a previous large scale screen for differentially expressed genes in pancreatic cancer, we identified a gene highly overexpressed in cancer encoding a novel putative transmembrane protein with two Kunitz-type serine protease inhibitor domains. The identified gene named kop (Kunitz domain
The aim of this study was to determine the expression of protease-activated receptor 2 (PAR-2) in the human pancreatic cancer cell line SW1990, and to evaluate its effect on cell proliferation and invasion. The expression of PAR-2 protein and mRNA in SW1990 cells was determined by
Protease-activated receptor (PAR)-2 is a G protein-coupled receptor that is activated by trypsin. The purpose of this study was to examine PAR-2 expression and the role of trypsin in cell proliferation in human pancreatic cancer cells. All four pancreatic cancer cell lines studied, from well to
OBJECTIVE
Protease-activated receptor-2 (PAR-2) is a G protein-coupled receptor that is activated by trypsin. Recent studies have suggested that PAR-2 activity correlates with inflammatory processes and cell proliferation and that PAR-2 activation in non-neoplastic cells induces expression of
Gabexate mesilate (GM), a synthetic serine protease inhibitor, suppresses nuclear factor-kappaB (NF-kappaB) activity in human monocytes or human umbilical vein endothelial cells (HUVECs). In this study we examine whether GM also suppresses NF-kappaB activation and induces apoptosis in human
OBJECTIVE
The aim of this study was to investigate the effect of thrombin and the thrombin receptor protease-activated receptor (PAR)-1 on adhesion of human pancreatic cancer cell lines to extracellular matrices (ECMs) and to identify related integrins with these effects.
METHODS
Human pancreatic
α2-Heremans-Schmid glycoprotein (human fetuin) is one of numerous serum proteins produced in the liver. Recently, the biological functions of fetuin, such as calcification and insulin resistance, have been clarified. However, these effects appear to be indirect, occurring through binding to other
The protease-activated receptor-2 (PAR-2) is a G protein-coupled receptor that is cleaved and activated by trypsin and tryptase. The purpose of this study was to clarify the role of PAR-2 in proliferation of human pancreatic cancer cells. PAR-2 mRNA and protein expression were detected by RT-PCR and
OBJECTIVE
Tumor-associated trypsinogen (TAT), urokinase-type plasminogen activator (u-PA), matrix metalloproteinase-2 (MMP-2), and MMP-9 each play a dominant role in the degradation of extracellular matrix (ECM) during the invasion process of pancreatic cancer. Transforming growth factor beta1
We investigated the association of urokinase-type plasminogen activator (u-PA) with tumor cell invasion and hepatic metastasis using human pancreatic cancer cell lines (SW1990, PANC-1, and RWP-1). We also examined the effect of the protease inhibitor, gabexate mesilate. SW1990 cells showed a higher