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Correlation between ZBRK1/ZNF350 gene polymorphism and breast cancer.


ABSTRACT:

Background

This study is to explore the relationship between the ZBRK1/ZNF350 (Zinc finger and BRCA1-interacting protein with KRAB domain-1; also known as zinc-finger protein 350) gene polymorphism and early-onset breast cancer.

Methods

The ZBRK1/ZNF350 gene exon detection analysis was performed with the direct sequencing and Snapshot methods in 80 cases of breast cancer (aged???40 years old) and 240 healthy subjects (aged???40 years old).

Results

Totally 9 sequence variants were detected, including 5 missense mutations and 4 synonymous mutations, located at EXON3, EXON4 and EXON5, respectively. The rs4987241 and rs3764538 variants were published for the first time, while the remaining variants had been reported before. There were significant differences in the frequency distribution of family history between the breast cancer and control groups. Moreover, there were significant differences in the CT genotype frequency at the rs138898320 locus between the breast cancer and healthy control groups. Compared with the carriers of CC wild genotype at rs138898320, the risk of breast cancer was reduced by 88.3% in the CT mutant genotype carriers, with significant difference. In the stratification with no family history, compared with the carriers of CC wild genotype at rs138898320, significant differences were observed for the CT mutant genotype carriers. In the stratification with family history, there was no significant difference in the variation of rs138898320.

Conclusion

The rs138898320 CT mutation genotype of ZBRK1/ZNF350 may reduce the risk of breast cancer, and the protecting effect would be increased in the stratification with no family history. Trial registration Not applicable.

SUBMITTER: Wu J 

PROVIDER: S-EPMC7788962 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Publications

Correlation between ZBRK1/ZNF350 gene polymorphism and breast cancer.

Wu Jun J   Eni Alibiati A   Roussuri Eliar E   Ma Binlin B  

BMC medical genomics 20210106 1


<h4>Background</h4>This study is to explore the relationship between the ZBRK1/ZNF350 (Zinc finger and BRCA1-interacting protein with KRAB domain-1; also known as zinc-finger protein 350) gene polymorphism and early-onset breast cancer.<h4>Methods</h4>The ZBRK1/ZNF350 gene exon detection analysis was performed with the direct sequencing and Snapshot methods in 80 cases of breast cancer (aged ≤ 40 years old) and 240 healthy subjects (aged ≤ 40 years old).<h4>Results</h4>Totally 9 sequence variant  ...[more]

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