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Original Articles

The Drosha rs10719 T>C polymorphism is associated with preeclampsia susceptibility

, , , , , & show all
Pages 440-445 | Received 08 Aug 2017, Accepted 11 Oct 2017, Published online: 20 Nov 2017
 

ABSTRACT

Purpose: Drosha is a member of the micro RNA (miRNA) processing machinery that affects miRNA processing. Single-nucleotide polymorphisms (SNPs) in the Drosha gene might affect microRNA processing and the expression of various genes. The aim of this study is to investigate the association between SNPs in the Drosha gene and preeclampsia (PE) in the southeast of Iran. Methods: Genotyping of Drosha rs10719 and rs6877842 was performed using blood samples from 219 PE women and 205 healthy control subjects by a polymerase chain reaction-restriction fragment length polymorphism method. Results: The Drosha rs10719TC genotype was significantly associated with 1.6-fold higher risk of PE (odds ratio (OR, 1.6 [95% CI, 1.1–2.4], P = 0.026). In addition, the frequency of the Drosha rs10719CC genotype was significantly higher in PE women and was associated with threefold higher risk of PE (OR 3 [95% CI 1.4–6.3], P = 0.004). There was no association between the Drosha rs6877842 polymorphism and PE susceptibility. The CC–GG combined genotype was associated with 3.4-fold higher risk of PE (OR 3.4 [95% CI 1.4–8.1], = 0.007). The haplotype-based association analysis showed higher frequency of C–G haplotype of Drosha rs10719 and rs6877842 polymorphisms with the increased risk of PE 1.5-fold (OR 1.5 [95% CI 1.1 – 2], = 0.01). Conclusions: The Drosha rs10719TC and CC genotypes were associated with PE risk. The CC–GG combined genotype and C–G haplotype of Drosha rs10719 and rs6877842 polymorphisms may increase PE susceptibility.

Acknowledgment

This article was extracted from an MS thesis (IR.ZAUMS.REC.1395.198) at Zahedan University of Medical Sciences.

Declaration of interest

No potential conflict of interest was reported by the authors.

Funding

The authors would like to thank the Deputy of Research Affairs at the University for funding this project.

Additional information

Funding

The authors would like to thank the Deputy of Research Affairs at the University for funding this project.

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