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The role and mechanism of low-dose aspirin with IFN-α in inhibiting growth and metastasis of hepatocellular carcinoma / 中华肝胆外科杂志
Chinese Journal of Hepatobiliary Surgery ; (12): 50-53, 2012.
Article in Chinese | WPRIM | ID: wpr-417775
ABSTRACT
ObjectiveTo study the role and mechanism of low-dose aspirin with IFN-α in inhibiting growth and metastasis of hepatocellular carcinoma (HCC).MethodsMHCC97L cells were cultured and a metastatic model of human HCC was established by orthotopic implantation of histologically intact human HCC tissue into the liver of nude (nu/nu) mice.After administration of different doses of Aspirin and IFN-α for 40 days,the mice bearing xenografts in liver were killed,and the tumor volume and lung metastasis were evaluated.Cell proliferation and MMP-2 activity were measured by MTT and gelatin zymography,respectively.The expressions of VEGF and MMP-2 were measured by western blot and ELISA.ResultsCompared to the control group,there were no significant differences in the high-dose Aspirin [45 mg/(kg · d)] treated group regarding tumor volume [(1.89 ±0.88) cm3 vs (3.12±0.85) cm3,P>0.05] and incidence of lung metastases (58.3% vs 66.7%,P>0.05),but the tumor volume and incidence of lung metastasis were significantly inhibited in the highdose IFN-α group [1.5 × 107/(kg · d)],the high-dose IFN-α combined with high-dose Aspirin group,and the low-dose IFN-α [7.5 × 106 / (kg · d) ] combined with low-dose Aspirin [15 mg/(kg · d] group (P<0.05).2 mmol/L Aspirin did not inhibit the proliferation of MHCC97 cells (P>0.05),but inhibited the activities and expressions of MMP-2 and VEGF.Low-dose IFN-α combined with low-dose Aspirin significantly decreased the expressions of MMP-2 and VEGF in nude mice (P<0.05).ConclusionLow-dose Aspirin combined with low-dose IFN-α significantly inhibited the growth and metastasis of HCC through suppressing the expressions of MMP-2 and VEGF.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Hepatobiliary Surgery Year: 2012 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Hepatobiliary Surgery Year: 2012 Type: Article