Osteopontin as a discriminating marker for pancreatic cancer and chronic pancreatitis.
CANCER BIOMARKERS(2016)
摘要
INTRODUCTION: We analyzed concentrations of osteopontin (OPN) in patients with pancreatic ductal adenocarcinoma (PDAC) in order to determine firstly whether it is useful to distinguish between PDAC patients and those with chronic nonhereditary pancreatitis (CP) and type 2 diabetes mellitus (T2DM), and secondly whether OPN concentrations depend on the PDAC stage. METHODS: Groups consisting of 64 patients with PDAC, 71 with CP, 67 with T2DM and 48 healthy controls (CON) were enrolled in the study. Controls were compared with regard to levels of OPN, oxidative stress markers, conventional tumor markers and other biochemical parameters. RESULTS: Levels of OPN were higher in patients with PDAC compared with CP patients (P < 0.001), T2DM (P < 0.001) and CON (P < 0.001). There were increased OPN levels in CP patients in comparison with T2DM (P < 0.001) and CON (P < 0.001). Patients with PDAC in stage IV had higher OPN levels than PDAC patients in stage III (P < 0.01). There was no difference in OPN levels of PDAC patients in stage III compared to patients in stage II. CONCLUSION: Our pilot study demonstrates the usefulness of estimating OPN levels to differentiate between pancreatic cancer and chronic pancreatitis. Higher OPN levels over 102 ng/ml could be a potential diagnostic biomarker for pancreatic cancer.
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关键词
Osteopontin,pancreatic ductal adenocarcinoma,chronic non-hereditary pancreatitis,type 2 diabetes mellitus
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