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Jeng, Kuo-Shyang; Sheen, I-Shyan; Wang, Yi-Ching; Gu, Shu-Ling; Chu, Chien-Ming; Shih, Shou-Chuan; Wang, Po-Chuan; Chang, Wen-Hsing; Wang, Horng-Yuan
World journal of gastroenterology : WJG, 03/2004, Volume: 10, Issue: 5Journal Article
AIM:To study whether vascular endothelial growth factor messenger RNA (VEGF mRNA) in the hepatocellular carcinoma (HCC) tissues obtained after curative resection has a prognostic value.METHODS: Using a reverse-transcription polymerase chain reaction (RT-PCR)-based assay, VEGF mRNA was determined prospectively in liver tissues of 50 controls and in HCC tissues of 50 consecutive patients undergoing curative resection for HCC.RESULTS: Among the isoforms of VEGF mRNA, VEGF165 and VEGF121 were expressed. By multivariate analysis, a higher level of VEGF165 in HCC tissue correlated with a significant risk of HCC recurrence (P=0.038) and significantly with recurrencerelated mortality (P=0.045); while VEGF121 did not. Other significant predictors of HCC recurrence included cellular dedifferentiation (P=0.033), an absent or incomplete capsule(P=0.020), vascular permeation (P=0.018), and daughter nodules (P=0.006). The other significant variables of recurrence related mortality consisted of vascular permeation (P=0.045),and cellular dedifferentiation (P=0.053). The level of VEGF mRNA in HCC tissues, however, did not significantly correlate with tumor size, cellular differentiation, capsule, daughter nodules,vascular permeation, necrosis and hemorrhage of tumors.CONCLUSION: The expression of VEGF mRNA, especially isoform VEGF165,in HCC tissues, may play a significant and independant role in the prediction of postoperative recurrence of HCC.
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