The role of single nucleotide variants of folate cycle genes of a mother with epilepsy in the occurrence of congenital malformations of the fetus
- Authors: Yakunina A.V.1, Usoltseva A.A.2, Kalinin V.A.1, Poverennova I.E.1, Myakisheva Y.V.1
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Affiliations:
- Samara State Medical University
- Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University
- Issue: Vol 9, No 4 (2024)
- Pages: 291-296
- Section: Neurology
- URL: https://bakhtiniada.ru/2500-1388/article/view/277328
- DOI: https://doi.org/10.35693/SIM629862
- ID: 277328
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Abstract
Aim – to study the frequency of single-nucleotide variants (SNV) rs1801133 and rs1801131 of the MTHFR gene; rs1801394 of the MTRR gene, rs1805087 of the MTR gene and rs1051266 of the SLC19A1 gene in women with epilepsy and to evaluate their associations with major congenital malformations (MCM) of the fetus.
Material and methods. The study included 61 women with epilepsy who have children: 20 had different fetal MCM (main group), 41 patients had children born without MCM (comparison group). DNA was extracted from blood, and the genotyping of five SNVs into four genes was analyzed by polymerase chain reaction. The frequencies of genotypes and alleles in the mothers of the main and the comparison group were determined, the differences were assessed using Pearson's chi-squared criterion (χ2) and Fisher's exact criterion.
Results. There were no statistically significant differences in the frequencies of genotypes and alleles for all analyzed SNVs between the main group and the comparison group. There were no statistically significant differences in the frequencies of genotypes and alleles of SNV of the studied genes of the folate cycle in mothers of children with malformations (n = 14) and without malformations (n = 22), taking valproic acid. A statistically significant relationship was revealed between the carrier of a certain haplogroup of the mother and the formation of fetal MCM.
Conclusion. The MCM in a child is a multifactorial phenomenon in which genetic factors with a small effect size can play a significant role only in the case of certain unfavorable combinations.
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##article.viewOnOriginalSite##About the authors
Albina V. Yakunina
Samara State Medical University
Author for correspondence.
Email: a.v.yakunina@samsmu.ru
ORCID iD: 0000-0002-7996-5213
PhD, Associate professor of the Department of neurology and neurosurgery
Russian Federation, SamaraAnna A. Usoltseva
Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University
Email: a.usoltseva@list.ru
ORCID iD: 0000-0002-9678-6719
assistant of the Department of medical genetics and clinical neurophysiology of the Institute of Postgraduate Education
Russian Federation, KrasnoyarskVladimir A. Kalinin
Samara State Medical University
Email: v.a.kalinin@samsmu.ru
ORCID iD: 0000-0003-3233-8324
PhD, MD, Professor of the Department of neurology and neurosurgery
Russian Federation, SamaraIrina E. Poverennova
Samara State Medical University
Email: i.e.poverennova@samsmu.ru
ORCID iD: 0000-0002-2594-461X
PhD, MD, Professor, Head of the Department of neurology and neurosurgery
Russian Federation, SamaraYulia V. Myakisheva
Samara State Medical University
Email: yu.v.myakisheva@samsmu.ru
ORCID iD: 0000-0003-0947-511X
PhD, MD, Head of the Department of general and molecular biology
Russian Federation, SamaraReferences
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