EMMPRIN and fascin overexpression associated with clinicopathologic parameters of pancreatobiliary adenocarcinoma in Chinese people

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Abstract
The aim of this study was to test whether expression of EMMPRIN and fascin correlates with clinicopathologic parameters of pancreatobiliary adenocarcinoma. Immunohistochemical analysis of EMMPRIN and fascin was performed in 100 surgical specimens obtained from Chinese patients, including 18 well‐differentiated, 62 moderately differentiated, and 20 poorly differentiated pancreatic and biliary adenocarcinomas. Neither EMMPRIN nor fascin was detectable in normal pancreatic and biliary glandular epithelia. However, EMMPRIN and fascin immunoreactivity was observed on the cell membrane and within the cytoplasm in pancreatobiliary adenocarcinomas. Higher immunostaining scores of EMMPRIN and fascin were strongly associated with advanced grades of pancreatobiliary adenocarcinomas (36.1 and 51.3 for grade I, 95.5 and 110.1 for grade II, and 133.7 and 165.8 for grade III). In addition, higher immunostaining scores of EMMPRIN and fascin were associated with advanced T stages (29.8 and 43.6 for T1, 86.3 and 93.2 for T2, 107.6 and 117.6 for T3, and 129.5 and 156.5 for T4). Higher EMMPRIN and fascin scores were associated with shorter survival times and more advanced M and N stages of pancreatiobiliary adenocarcinomas. A higher expression of EMMPRIN and fascin was found to correlate well with histologic grades and clinical stages of pancreatobiliary adenocarcinomas.