Abstract Title:

Synergistic Inhibitory Effect of Traditional Chinese Medicine Astragaloside IV and Curcumin on Tumor Growth and Angiogenesis in an Orthotopic Nude-Mouse Model of Human Hepatocellular Carcinoma.

Abstract Source:

Anticancer Res. 2017 02 ;37(2):465-473. PMID: 28179291

Abstract Author(s):

Shuo Zhang, Decai Tang, Wenhua Zang, Gang Yin, Jianguo Dai, Y U Sun, Zhijian Yang, Robert M Hoffman, Xiuxia Guo

Article Affiliation:

Shuo Zhang


AIM: The aim of the present study was to investigate the efficacy of the traditional Chinese medicine (TCM), astragaloside IV (AS-IV) and curcumin on tumor growth and angiogenesis in an orthotopic nude-mouse model of human hepatocellular carcinoma (HCC). We have previously shown the usefulness of orthotopic models of human cancer for evaluation of the efficacy of TCM.

MATERIALS AND METHODS: Nude mice with orthotopic HepG2 HCC were treated with vehicle control (0.01 ml/g normal saline), cisplatinum (2 mg/kg), AS-IV (20 mg/kg), curcumin (100 mg/kg) or AS-IV plus curcumin (20 mg/kg + 100 mg/kg). Tumor inhibition in each group was evaluated by tumor weight at autopsy. The effect of AS-IV and curcumin on tumor angiogenesis was assessed by CD34 staining and expression of fibroblast growth factor-2 (FGF2), matrix metalloproteinase 2 (MMP2), vascular endothelial growth factor (VEGF), hepatocyte growth factor (HGF), thrombosis-related factor tissue factor (TF) and coagulation factor VII (FVII), as well as microRNAs miR-122 and miR-221.

RESULTS: AS-IV and curcumin alone and in combination significantly reduced mean tumor weight compared to vehicle control (p<0.05). Tumor microvessel count was reduced by AS-IV and curcumin alone. Expression of FGF2, MMP2, VEGF, HGF, TF and FVII was reduced by AS-IV and curcumin alone. AS-IV and curcumin alone up-regulated expression of miR-122 and down-regulated that of miR-221. The combination of AS-IV and curcumin demonstrated significant synergistic effects on microvessel count as well as on expression of angiogenic and thrombosis-related factors and microRNAs.

CONCLUSION: The present study indicates future clinical potential of combination therapy with AS-IV and curcumin for HCC.

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Sayer Ji
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