Lise Lotte Hansen

LOH rather than genotypes of TP53 codon 72 is associated with disease-free survival in primary breast cancer

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Mutations in the TP53 gene are a well-documented strong prognostic factor in breast cancer. A prognostic value of the Arg72Pro polymorphism of the TP53 gene is more contradictory. We assessed TP53 mutations and genotypes of the Arg72Pro polymorphism in a study including 204 Danish women. Patients with mutations in the TP53 gene had a significant reduction in disease-free survival of breast cancer (p <0.0001). Genotypes of the Arg72Pro polymorphism were neither significantly associated with TP53 mutations nor with disease-free survival (p = 0.4). Among heterozygous patients a reduction in disease-free survival was found for patients with LOH and retention of the Pro allele as compared to patients with LOH and retention of the Arg allele and patients with no LOH (p = 0.05). In conclusion, we find a highly significant prognostic value of TP53 mutations but find a possible prognostic value of the Arg72Pro polymorphism only related to LOH.
Original languageDanish
JournalActa Oncologica
Pages (from-to)602-609
Number of pages8
Publication statusPublished - 2006

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