Anti-tumour efficacy of mouse spleen cells separated with Dolichos biflorus lectin (DBA) in experimental pulmonary metastasis of B16 melanoma cells
1990

Anti-tumour effects of mouse spleen cells in melanoma

Sample size: 30 publication 15 minutes Evidence: moderate

Author Information

Author(s): T. Okada, M. Higuchi, M. Takano, T. Maruyama, Y. Imai, T. Osawa

Primary Institution: University of Tokyo

Hypothesis

Can mouse spleen cells separated with Dolichos biflorus lectin (DBA) reduce pulmonary metastasis of B16 melanoma cells?

Conclusion

DBA- cells are effective in reducing experimental pulmonary metastases through both direct lytic activity and indirect activation of macrophages.

Supporting Evidence

  • DBA- cells significantly reduced the number of lung metastases compared to DBA+ cells.
  • DBA- cells showed higher responsiveness to IL-2 than DBA+ cells.
  • DBA- cells produced larger amounts of macrophage activating factor when cultured with B16 melanoma.

Takeaway

Scientists found that certain immune cells from mice can help fight cancer by reducing the spread of melanoma in the lungs.

Methodology

Mice were injected with B16 melanoma cells and DBA- cells were infused to assess their effect on lung metastases.

Limitations

The study primarily focused on DBA- cells without exploring other potential immune responses.

Participant Demographics

Female C57BL/6, BALB/c, and DBA/2 mice aged 7-12 weeks.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

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