Angiopoietin-1 and Tumor Growth in Mice
Author Information
Author(s): Stoeltzing O, Ahmad S A, Liu W, McCarty M F, Parikh A A, Fan F, Reinmuth N, Bucana C D, Ellis L M
Primary Institution: The University of Texas M.D. Anderson Cancer Center
Hypothesis
Overexpression of Ang-1 by human colon cancer cells would decrease angiogenesis, tumor growth, and metastasis formation and inhibit ascites formation in an experimental model of peritoneal carcinomatosis.
Conclusion
Angiopoietin-1 inhibits tumor growth and ascites formation in a mouse model of peritoneal carcinomatosis.
Supporting Evidence
- Seven of the nine mice in the control group developed ascites, while none in the angiopoietin-1 group did.
- Number of peritoneal metastases and tumor volume were significantly reduced in angiopoietin-1-expressing tumors.
- Conditioned medium from angiopoietin-1-transfected cells decreased vascular permeability more than control cells.
Takeaway
This study found that a protein called angiopoietin-1 can help stop tumors from growing and prevent fluid buildup in the belly in mice with cancer.
Methodology
Human colon cancer cells were transfected with angiopoietin-1 and injected into mice, where tumor growth and ascites formation were measured after 30 days.
Limitations
The study was conducted in a mouse model, which may not fully replicate human conditions.
Participant Demographics
Male athymic nude mice were used in the study.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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