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Research Article

VAL158MET catechol O-methyltransferase polymorphism contributes to the development of preeclampsia

, , ORCID Icon, &
Pages 471-480 | Received 18 Jul 2020, Accepted 25 Oct 2020, Published online: 06 Nov 2020
 

ABSTRACT

Objectives: Establishment of association between: (a) Val158Met COMT (G1947A) polymorphism and preeclampsia; (b) cytokines gene expression and COMT genotypes.

Methods: 50 preeclampsia and 50 healthy pregnant women were enrolled. COMT genotyping was done by PCR/RFLP. TNF-α, IL-1β, and IL-6 mRNA levels were determined by Real-time PCR.

Results: Variant (AA) homozygotes carried 3.7-fold increased preeclampsia odds, especially for severe (OR = 9.0, 95%CI (2.09–38.799)) and early forms (OR = 6.6, 95%CI (1.62–26.87)). AA homozygotes with PE had higher TNF-α levels compared to controls (P = 0.012).

Conclusions: Val158Met COMT polymorphism increases preeclampsia risk. TNF-α expression and Val158Met COMT polymorphism have concomitant roles in PE pathogenesis.

Disclosure statement

All authors declare no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Additional information

Funding

The study was supported by the Ministry of Education, Science and Technological Development of Republic of Serbia, [Grant No. 175075].

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