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[Inhibitory effect of taspine on mouse S180 sarcoma and its mechanism]
Yan-Min Zhang1, Lang-Chong He, Hong-Ying Wang
1School of Medicine, Xi'an Jiaotong University, Xi' an 710061, China.
Objective:
To study the inhibition effect of taspine on mouse S180 sarcoma and its mechanism.
Method:
The mouse S180 sarcoma model was established and used to observe the antitumor activity of taspine. The microvessel density and protein expressing of the VEGF, bFGF, Bcl-2 and Bax in the tumor were measured by immunohistochemistry.
Result:
Taspine showed antitumor activity on the mouse S180 sarcoma in a good dose-dependent manner. The inhibition rates on tumor of taspine at low, middle and high concentrations were 39.08% , 43.99% and 48.60%, respectively. The microvessel density and protein expressing of the VEGF, bFGF, Bcl-2 and Bax in the tumor were decreased compared with the negative control. The ratio of Bax to Bcl-2 was increased.
Conclusion:
Taspine has antitumor effect on the S180 sarcoma, and the mechanism may be through the way of decreasing the expressing of the VEGF, bFGF, Bcl-2 and Bax and inducing the vascular endothelial cell apoptosis.
Insights
Taspine demonstrated significant antitumor activity against mouse S180 sarcoma in a dose-dependent manner. This effect is linked to reduced expression of key proteins and induced apoptosis in vascular endothelial cells.
Area of Science:
- Oncology
- Pharmacology
Context:
- Mouse S180 sarcoma model used to evaluate therapeutic agents.
- Understanding the molecular mechanisms of anti-cancer drug action is crucial.
Purpose:
- To investigate the inhibitory effects of taspine on mouse S180 sarcoma.
- To elucidate the underlying molecular mechanisms of taspine's anti-tumorigenic properties.
Summary:
- Taspine exhibited dose-dependent antitumor activity against S180 sarcoma in mice.
- Treatment with taspine led to decreased microvessel density and reduced expression of VEGF, bFGF, Bcl-2, and Bax.
- An increased Bax to Bcl-2 ratio was observed, suggesting apoptosis induction.
Impact:
- Taspine shows potential as an anti-cancer agent for S180 sarcoma.
- The findings suggest taspine's mechanism involves inhibiting angiogenesis and promoting apoptosis.
