Journal
MOLECULAR MEDICINE REPORTS
Volume 13, Issue 3, Pages 2518-2526Publisher
SPANDIDOS PUBL LTD
DOI: 10.3892/mmr.2016.4854
Keywords
human hepatocellular carcinoma; tumor weight; vascular endothelial growth factor; microvessel density; pulmonary metastasis
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Funding
- Science and Technology Foundation of Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China [12XJ10051]
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The present study aimed to investigate the effect of Buyang Huanwu decoction (BYHWD) on tumor growth, metastasis and angiogenesis in nude mice bearing human hepatocellular carcinoma (HCC) HCCLM3 xenografts. A total of 96 nude mice bearing HCCLM3 xenografts were randomly divided into four groups: BYHWD group (LB), Yi-qi decoction group (LY), Huo-xue decoction group (LH) and model group (LM). Each of these groups was divided into three subgroups (n=8), which were observed on days 21, 25, 38 following treatment, respectively. The tumor weights, volumes and pulmonary metastases were recorded. The expression of CD105 and the microvessel density (MVD) were assessed, and the expression levels of vascular endothelial growth factor (VEGF), hypoxia-inducible factor 1 (HIF-1), and regulator of G protein signaling 5 (RGS-5) were analyzed using immunohistochemical staining. Compared with the LM group, no significant decrease in tumor weight or volume were observed in the herbal medicine treatment groups, the number of the metastases in the lungs decreased, whereas the expression levels of RGS-5 and HIF-1 decreased in the LB group on day 35. However, the expression levels of VEGF increased in the LB group on days 28 and 35 post-treatment. The results of the present study suggested that BYHWD may inhibit angiogenesis and metastasis by affecting the expression levels of VEGF, RGS-5 and HIF-1, and suggested that BYHWD may contribute to the tumor microenvironment and vasculature normalization in HCC.
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