The relevance of RT–PCR markers for metastatic tumour cell detection
2006

Concerns About RT–PCR Markers for Cancer Detection

publication

Author Information

Author(s): Chechlińska M, Kowalewska M, Markowicz S, Nowak R

Primary Institution: The Maria Skłodowska-Curie Memorial Cancer Centre and Institute of Oncology

Hypothesis

Are healthy donor tissues adequate controls for RT–PCR detection of cancer cells?

Conclusion

RT–PCR detection may indicate the presence of activated inflammatory cells rather than cancer cells, leading to low specificity.

Supporting Evidence

  • Healthy donor tissues are not adequate controls for RT–PCR detection of cancer cells.
  • Many studies indicate the importance of systemic inflammation in cancer patients.
  • Some tumor markers are expressed in normal lymphocytes after activation.

Takeaway

This study suggests that tests for cancer cells might actually be picking up signals from immune cells instead, which can confuse results.

Limitations

The study highlights the unrealistic approach of validating new markers without considering inflammation-induced expression.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6603131

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