Home Neoplasma 2017 Neoplasma Vol.64, No.6, p.880-886, 2017

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Neoplasma Vol.64, No.6, p.880-886, 2017

Title: Predictive values of FAP and HGF for tumor angiogenesis and metastasis in colorectal cancer
Author: T. H. Ma, C. C. Gao, R. Xie, X. Z. Yang, W. J. Dai, J. L. Zhang, W. Yan, S. N. Wu

Abstract:

This study aims to explore the correlation of hepatocyte growth factor (HGF) and fibroblast activation protein (FAP) expressions with the angiogenesis and metastasis in colorectal cancer (CRC). The immunohistochemical SABC method was used to detect HGF and FAP expressions in 127 CRC tissues, 51 colorectal polyp tissues and 28 normal tissues. HGF and FAP expressions in liver metastasis were detected using western blot to analyze the correlation of their expressions with lymph node metastasis and liver metastasis. Micro-vessel density (MVD) and clinic-pathologic information of CRC patients were recorded and analyzed. In CRC group, HGF and FAP expressions were greatly higher than those in normal group and colorectal polyps group (P < 0.05).

Moreover, the positive rates of HGF and FAP expressions in lymph node metastasis were evidently higher than those in non-lymph node metastasis (P < 0.05). In liver metastasis group, HGF and FAP expressions were obviously higher than non-liver metastasis group (P < 0.05). CRC group had much more MVD in comparison with normal group and colorectal polyps group (P < 0.05).When compared with negative group, MVD was significantly higher than that in CRC tissue with positive HGF and FAP (P < 0.05). Spearman rank correlation analysis showed that HGF and FAP were in positive correlation with MVD (r = 0.542, P < 0.001; r = 0.753, P < 0.001). These results indicate that FAP and HGF play an important role in CRC angiogenesis, and their expression levels are valuable to predict CRC liver metastasis and lymph node metastasis.



Keywords: colorectal cancer, fibroblast activation protein, hepatocyte growth factor, microvessel density, angiogenesis, metastasis
Published online: 14-Nov-2017
Year: 2017, Volume: 64, Issue: 6 Page From: 880, Page To: 886
doi:10.4149/neo_2017_609
Price: 16.80 €






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