P53 Mutations and Cancer Risk in Children
Author Information
Author(s): Chompret A, Brugières L, Ronsin M, Gardes M, Dessarps-Freichey F, Abel A, Hua D, Ligot L, Dondon M-G, Paillerets B Bressac-de, Frébourg T, Lemerle J, Bonaïti-Pellié C, Feunteun J
Primary Institution: Institute Gustave-Roussy
Hypothesis
What is the role of germline p53 mutations in genetic predisposition to childhood cancer?
Conclusion
Germline p53 mutations significantly increase the risk of cancer in individuals, especially in females.
Supporting Evidence
- Seventeen mutations were identified in the study.
- 6.3% of the individuals screened had germline p53 mutations.
- The lifetime risk of cancer for mutation carriers was estimated to be 73% for males.
- The lifetime risk of cancer for mutation carriers was nearly 100% for females.
Takeaway
If someone has a family history of cancer, they might have a gene that makes them more likely to get cancer, especially girls.
Methodology
Screening for germline p53 mutations in individuals with a family history of cancer.
Potential Biases
Ascertainment bias was corrected for in the analysis.
Participant Demographics
Individuals with at least one relative affected by cancer before age 46.
Digital Object Identifier (DOI)
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