Angiogenesis in a human neuroblastoma xenograft model: mechanisms and inhibition by tumour-derived interferon-γ
2006

Angiogenesis in Neuroblastoma and Interferon-γ

Sample size: 20 publication Evidence: high

Author Information

Author(s): Ribatti D, Nico B, Pezzolo A, Vacca A, Meazza R, Cinti R, Carlini B, Parodi F, Pistoia V, Corrias M V

Primary Institution: University of Bari Medical School

Hypothesis

Can tumor-derived interferon-γ inhibit angiogenesis in neuroblastoma xenografts?

Conclusion

Interferon-γ reduces angiogenesis in neuroblastoma by inducing apoptosis in endothelial cells.

Supporting Evidence

  • Interferon-γ transfection led to lower microvessel density in xenografts.
  • ACN/IFN-γ xenografts showed increased apoptosis in endothelial cells.
  • NO production was significantly higher in ACN/IFN-γ cells compared to ACN/neo.

Takeaway

This study shows that a substance called interferon-γ can help stop blood vessels from growing in a type of cancer called neuroblastoma, which is important for the cancer to grow.

Methodology

The study used human neuroblastoma xenografts in immunodeficient mice to assess the effects of interferon-γ on angiogenesis.

Participant Demographics

Female athymic (nu/nu) mice, 6–8 weeks old.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1038/sj.bjc.6603186

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