Cells exfoliated from colorectal cancers can proliferate in immune deprived mice
1984

Proliferation of Exfoliated Colorectal Cancer Cells in Mice

Sample size: 10 publication Evidence: moderate

Author Information

Author(s): M.O. Symes, B. Fermor, H.C. Umpleby, C.R. Tribe, R.C.N. Williamson

Primary Institution: The Medical School, University Walk, Bristol BS8 I TD, UK

Hypothesis

Can exfoliated colorectal carcinoma cells proliferate after being implanted in immune deprived mice?

Conclusion

Exfoliated colorectal cancer cells can proliferate and form metastases in immune deprived mice.

Supporting Evidence

  • Exfoliated colorectal carcinoma cells were shown to be viable at the time of collection.
  • Transplantation of these cells into immune deprived mice resulted in the formation of pulmonary nodules.
  • Five out of eight examined nodules were confirmed to be carcinomas.

Takeaway

Doctors found that cancer cells from the intestines can grow and spread in special mice that don't have a strong immune system.

Methodology

Colorectal cancer cells were collected from patients, injected into immune deprived mice, and examined for tumor growth in the lungs.

Potential Biases

Potential bias in selecting which patients' cells were used for the study.

Limitations

The study was limited to a small number of patients and the results may not apply to all colorectal cancers.

Participant Demographics

Cells were obtained from 10 patients with colorectal cancer.

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