Abstract

Objective To investigate the significance of the expression of endostatin and vascular endothelial growth factor(VEGF)in hepatocellular carcinoma(HCC).Methods The expression of endostatin and VEGF in 46 specimens which were collected at Second Affiliated Hospital of Fnjian Medical University from January 2000 to Apfil 2005 was detected by immunohistochemistry.The relationship between the expression of endostatin and VEGF and the progression of HCC was determined.All data were analyzed via t test,paired t test,Pearson rank correlation coefficient.LSD-t test or Tamhane's-t test.Results The expression of endostatin and VEGF was detected mainly in the cytoplasm of HCC cells and adjacent tissues.The values of mean optical density (MOD)of endostatin in HCC tissue,adjacent tissue and normal liver tissue were 0.11±0.02,0.14±0.0l and 0.09±0.01.respectively,and the values of integrated optical density(IOD)of endostatin in the above mentioned tissues were(1.8±0,2)×10~4,(3.8±2.2)×10~4 and(0.9±0.4)×10~4,respectively.The values of MOD and IOD of endostatin in HCC tissue were significantly lower than those in adjacent tissue(t=2.032,7.927,P<0.05).The values of MOD of VEGF in HCC tissue,adjacent tissue and normal liver tissue were 0.13±0.02.0.12±0.02 and 0.11±0.02,respectively,and the values of IOD of VEGF were(5.4±3.1)×104,(3.9±2.5)×10~4 and(3.0 ±3.0)×10~4,respectively.The values of MOD and IOD of VEGF in HCC tissue were significantly hisher than those in adjacent tissue(t=5.871,8.723,P 0.05).Conclusions Endostatin is mainly expressed in HCC tissue,but the level of its expression is lower in HCC tissue than in adjacent tissue.The expression of VEGF is higher in HCC tissue than in adjaneet tissue.Endostatin,rather than VEGF,may be used as a independent prognostic factor of the prognosis of patients with HCC. Key words: Liver neoplasms; Endostatin; Vascular endothelial growth factor

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