TAILIEUCHUNG - Báo cáo hóa học: " CCL20/CCR6 expression profile in pancreatic cancer"

CCL20/CCR6 expression profile in pancreatic cancer | Rubie et al. Journal of Translational Medicine 2010 8 45 http content 8 1 45 RESEARCH JOURNAL OF TRANSLATIONAL MEDICINE Open Access CCL20 CCR6 expression profile in pancreatic cancer Claudia Rubie ri Vilma Oliveira Frick11 Pirus Ghadjar3 Mathias Wagner2 Henner Grimm 1 Benjamin Vicious1 Christoph Justinger1 Stefan Graeber4 and Martin KSchilling Abstract Background CCL20 and its receptor CCR6 have been shown to play a role in the onset development and metastatic spread of various gastrointestinal malignancies. In this study the expression profile and clinical significance of the CCL20 CCR6 system in distinct benign pre-malignant and malignant pancreatic tissues was investigated. Methods Using RealTime-PCR enzyme-linked immunosorbent assay ELISA Western Blot and immunohistochemistry we have analyzed the expression profile of CCL20 CCR6 in resection specimens from patients with chronic pancreatitis CP n 22 pancreatic cystadenoma PA n 11 and pancreatic carcinoma PCA n 25 as well as in the respective matched normal pancreatic tissues. Results CCL20 mRNA and protein was weakly expressed in normal pancreatic tissues and CP and PA specimens but significantly up-regulated in PCA 8-fold as compared to the matched normal tissue P . Moreover CCL20 mRNA and protein expression was significantly associated with advanced T-category in patients with PCA P . CCR6 mRNA showed a significant up-regulation in all three disease entities as compared to normal tissues P respectively . Conclusion CCL20 and CCR6 were significantly up-regulated in PCA as compared to the normal pancreatic tissue and CCL20 was significantly associated with advanced T-category in PCA patients. This suggests that CCL20 and CCR6 play a role in the development and progression of PCA and may constitute potential targets for novel treatment strategies. Background Pancreatic adenocarcinoma PCA is characterized by its late presentation early and aggressive local and distant

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