Overexpression of AGGF1 is correlated with angiogenesis and poor prognosis of hepatocellular carcinoma

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• 作者：Wei Wang ; Guang-Yao Li ; Jian-Yu Zhu ; Da-Bing Huang ; Hang-Cheng Zhou…
• 关键词：AGGF1 ; Hepatocellular carcinoma ; Angiogenesis ; Prognosis
• 刊名：Medical Oncology
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：32
• 期：4
• 全文大小：1,501 KB
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• 刊物主题：Oncology; Hematology; Pathology; Internal Medicine;
• 出版者：Springer US
• ISSN：1559-131X

文摘

Angiogenic factor with G-patch and FHA domains 1 (AGGF1) is a factor implicating in vascular differentiation and angiogenesis. Several lines of evidence indicate that aberrant expression of AGGF1 is associated with tumor initiation and progression. The aim of this study was to investigate the expression and prognostic value of AGGF1 in hepatocellular carcinoma (HCC), as well as its relationship with clinicopathological factors and tumor angiogenesis. Immunohistochemistry was performed to evaluate the expression of AGGF1 in HCC and paracarcinomatous tissues collected from 70 patients. Vascular endothelial growth factor (VEGF) and CD34 expression levels were examined in the 70 HCC tissues. Prognostic significance of tumoral AGGF1 expression was determined. Notably, AGGF1 expression was significantly higher in HCC than in surrounding non-tumor tissues (65.7 vs. 25.7?%; P?VEGF expression and CD34-positive microvessel density. Moreover, AGGF1 expression was significantly associated with tumor size, tumor capsule, vascular invasion, Edmondson grade, alpha-fetoprotein level, and TNM stage. Kaplan–Meier survival analysis showed that high AGGF1 was correlated with reduced overall survival (OS) rate (P?=?0.001) and disease-free survival (DFS) rate (P?P?=?0.043 and P?=?0.010, respectively). Taken together, increased AGGF1 expression is associated with tumor angiogenesis and serves as an independent unfavorable prognostic factor for OS and DFS in HCC. AGGF1 may represent a potential therapeutic target for HCC.