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The TP63 Gene Polymorphism rs17506395 is Associated with Early Breast Cancer in Cameroon.


ABSTRACT:

Background

Breast cancer (BC) is a leading female cancer worldwide and cause of cancer-related death, especially in developing countries. Genetic predispositions to BC development in African population is poorly studied, and meanwhile the SNP rs17506395 in TP63 gene locus has been associated with the development of breast cancer in Asian women, no investigation has been undertaken within African population. We investigated the impact of this polymorphism in a representative African population.

Methods

We undertook a case-control study including 335 women, of which 111 were breast cancer patients and 224 controls. Using blood-derived germline DNA, PCR-RFLP was used to investigate the polymorphism of TP63 gene at rs17506395 locus. Unconditional logistic regression was used to study the association between the TP63 gene polymorphism and risk of BC development. After stratification into different age and ethno-linguistic groups as well as menopausal status, the Cochran-Mantel-Haenszel test was used to measure significance of the associations.

Results

Comparing cases with controls, no significant associations between genotype and disease development was observed. Similarly, when cases were stratified according to menopausal status and ethno-linguistic groups, no significant association was observed between genotype and disease development. However, in women of 40 years and below, TT and TG genotypes were associated with breast cancer development. The minor G allele seems to protective against early breast cancer onset OR of 0.5 (95%CI = 0.26-0.94, p = 0.03).

Conclusion

Our data revealed an association between rs15706395 and the risk of early breast cancer onset. The GG genotype seems to reduce the risk of early breast cancer. Larger studies are needed to confirm the potential of this SNP as biomarker for breast cancer prognostic.
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SUBMITTER: Tiofack ATZ 

PROVIDER: S-EPMC7771916 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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The TP63 Gene Polymorphism rs17506395 is Associated with Early Breast Cancer in Cameroon.

Tiofack Arnol T Z ATZ   Simo Gustave G   Ofon Elvis E   Dina-Bell Esther E   Kamla Chancelin M CM   Ananga Sidonie N SN   Roger Tchamfong T   Nana Theophile N TN   Ngeufack Charlotte T CT   Fewou Adamou A   Takongmo Samuel S   Lueong Smiths S  

Asian Pacific journal of cancer prevention : APJCP 20200801 8


<h4>Background</h4>Breast cancer (BC) is a leading female cancer worldwide and cause of cancer-related death, especially in developing countries. Genetic predispositions to BC development in African population is poorly studied, and meanwhile the SNP rs17506395 in TP63 gene locus has been associated with the development of breast cancer in Asian women, no investigation has been undertaken within African population. We investigated the impact of this polymorphism in a representative African popul  ...[more]

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