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Hypothesis: more mutations to cure cancer?
F Eisinger1, H Sobol, D Birnbaum
1Departement d'Oncogenetique, E9939 Inserm, Institut Paoli-Calmettes, Marseille, France.
Oncology Reports
|October 19, 1999
Summary
Certain mutation combinations in cancer may be detrimental, not beneficial. Our study reveals specific genetic event associations are under-represented in breast tumors, suggesting a new therapeutic strategy.
Area of Science:
- Oncology
- Cancer Genetics
Background:
- Cancer develops due to the accumulation of genetic mutations.
- The prevailing view is that mutations driving cancer are always selected for.
Purpose of the Study:
- To investigate the hypothesis that certain combinations of mutations might be counterselected during cancer development.
- To explore the implications of mutation counterselection for cancer therapeutics.
Main Methods:
- Analysis of allelotyping data from human breast tumors.
- Statistical assessment of the co-occurrence of specific genetic events.
Main Results:
- Demonstrated that particular associations of genetic events are statistically under-represented in breast tumors.
- Identified specific mutation combinations that appear to be disadvantageous for tumor growth.
Conclusions:
- Challenges the notion that all mutation combinations are beneficial in cancer.
- Proposes that the counterselection of specific mutations offers a novel therapeutic avenue for cancer treatment.