Constitutional frequency of rare alleles of c-Ha-ras in breast cancer patients
1988

Rare Alleles of c-Ha-ras in Breast Cancer Patients

Sample size: 80 publication Evidence: low

Author Information

Author(s): G.R.M. White, J. Heighway, G.T. Williams, D. Scott

Primary Institution: Paterson Institute for Cancer Research

Hypothesis

The high incidence of rare alleles in breast cancer patients may be due to technical difficulties.

Conclusion

The study found no significant difference in rare allele frequencies between breast cancer patients and controls.

Supporting Evidence

  • The study found no significant difference in rare allele frequencies between breast cancer patients and controls.
  • Previous studies suggested a significant increase in rare alleles in other cancer types, but not in breast cancer.

Takeaway

The researchers looked at a specific gene in breast cancer patients and found that it didn't seem to be linked to the disease.

Methodology

The study analyzed c-Ha-ras RFLPs in blood samples from breast cancer patients and compared them to a control group.

Potential Biases

Potential bias due to differences in sample quality between tumor and blood DNA.

Limitations

The study relied on blood samples, and tumor DNA may have been more impure or degraded.

Participant Demographics

80 breast cancer patients compared to 101 controls.

Statistical Information

P-Value

0.706

Statistical Significance

p=0.706

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