Haplotypes of CYP1B1 and CCDC57 genes in an Afro-Caribbean female population with uterine leiomyoma

In: Molecular Biology Reports · 2019 · vol. 46(3) , pp. 3299–3306 · doi:10.1007/s11033-019-04790-y · PMID:30989560 · W2938231131
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The GTA haplotype of CYP1B1 was associated with uterine leiomyoma risk in Afro-Caribbean females, while CCDC57 haplotypes showed no association.

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The study examined whether haplotypes of the estrogen-associated CYP1B1 gene and the obesity-associated CCDC57 gene are linked to uterine leiomyoma risk in an Afro-Caribbean female population, using unphased sequence data to construct haplotypes with PHASE v.2.1 and to assess linkage disequilibrium with Haploview v.4.2. The authors reported contrasting linkage disequilibrium patterns among single nucleotide polymorphisms in CYP1B1 and CCDC57, with the CYP1B1 GTA haplotype significantly associated with uterine leiomyoma risk (P = 0.02) and no significant association observed for CCDC57 haplotypes (P = 0.2). A key limitation is that the abstract provides only haplotype-level associations without detailing sample size, effect sizes, or adjustment for potential confounders. Relevance to endometriosis: this paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

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Abstract

Uterine leiomyomas (UL) are prevalent benign tumors, especially among women of African ancestry. The disease also has genetic liability and is influenced by risk factors such as hormones and obesity. This study investigates the haplotypes of the Cytochrome P450 1B1 gene (CYP1B1) related to hormones and coiled-coil domain containing 57 gene (CCDC57) related to obesity in Afro-Caribbean females. Each haplotype was constructed from unphased sequence data using PHASE v.2.1 software and Haploview v.4.2 was used for linkage disequilibrium (LD) studies. There were contrasting LD observed among the single nucleotide polymorphisms of CYP1B1 and CCDC5. Accordingly, the GTA haplotype of CYP1B1 was significantly associated with UL risk (P = 0.02) while there was no association between CCDC57 haplotypes and UL (P = 0.2) for the ATG haplotype. As such, our findings suggest that the Asp449Asp polymorphism and GTA haplotype of CYP1B1 may contribute to UL susceptibility in women of Afro-Caribbean ancestry in this population.
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Abstract

Uterine leiomyomas (UL) are prevalent benign tumors, especially among women of African ancestry. The disease also has genetic liability and is influenced by risk factors such as hormones and obesity. This study investigates the haplotypes of the Cytochrome P450 1B1 gene (CYP1B1) related to hormones and coiled-coil domain containing 57 gene (CCDC57) related to obesity in Afro-Caribbean females. Each haplotype was constructed from unphased sequence data using PHASE v.2.1 software and Haploview v.4.2 was used for linkage disequilibrium (LD) studies. There were contrasting LD observed among the single nucleotide polymorphisms of CYP1B1 and CCDC5. Accordingly, the GTA haplotype of CYP1B1 was significantly associated with UL risk (P = 0.02) while there was no association between CCDC57 haplotypes and UL (P = 0.2) for the ATG haplotype. As such, our findings suggest that the Asp449Asp polymorphism and GTA haplotype of CYP1B1 may contribute to UL susceptibility in women of Afro-Caribbean ancestry in this population. Similar content being viewed by others

References

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Acknowledgements

This work was supported by the University of the West Indies, School for Graduate Studies and Research, Barbados, Dr. Tracey Archer formerly of the Barbados Family Planning Clinic, and Dr. Carlos Chase and Dr. Delores Lewis of the Queen Elizabeth Hospital, Barbados. Author information Authors and Affiliations Corresponding author Ethics declarations Conflict of interest The authors declare no conflict of interest. Ethical approval All procedure performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent Informed consent was obtained from all individual participants included in the study. Additional information Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Nucleotide sequence data reported are available in the DDBJ/EMBL/GenBank databases under the accession number (s) LT613647-LT613831. Rights and permissions About this article Cite this article Alleyne, A.T., Bideau, V.S. Haplotypes of CYP1B1 and CCDC57 genes in an Afro-Caribbean female population with uterine leiomyoma. Mol Biol Rep 46, 3299–3306 (2019). https://doi.org/10.1007/s11033-019-04790-y Received: Accepted: Published: Version of record: Issue date: DOI: https://doi.org/10.1007/s11033-019-04790-y

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