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Article in Chinese | WPRIM | ID: wpr-518349


Objective To study the effect of intratumor angiogenesis and vascular growth factor(VEGF), basic fibroblase growth factor(bFGF), Platelet-derived growth factor (PDGF), and their receptors(flt-1 bFGFR.PDGFR) on the invasion, metaslasis of pancreatic carcimoma(PC) and the relationship between the expressions of three kinds of angiogenic factors, their receptors and microvessel count(MVC). Methods Tis- sue sections of 51 PC and 32 acute or chronic pancreatitis were examined by in situ hybridization for the expression of VEGF bFGF.PDGF, and by immunohistochemistry for the expression of the three kinds of angiogenic factor receptors and MVC. The correlation of the expressions and pathological characteristics of PC were also studied. Results The positive rate of VEGF mRNA,bFGF mRNA, PDGF mRNA and their receptors in PC were significantly higher than that in acute or chronic pancreatistis( P

Article in Chinese | WPRIM | ID: wpr-524846


Objective To investigate the expressions of IL-8,MCP-1 and MIP-1? and their biological significance in pancreatic carcinoma and chronic pancreatitis, and investigate the relationships of their expressions in pancreatic cancer tissues.Methods Immunohistochemical method of avidin-biotin complex was used to examine surgically removed specimens from 51 cases of pancreatic carcinoma and 10 cases of chronic pancreatitis. Results The positive rates of expression and the scorings of IL-8,MCP-1,MIP-1? were significantly higher in pancreatic carcinoma than that in chronic pancreatitis(P