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![]() TIHAI, Olga; SPRINCEAN, Mariana; BARBOVA, Natalia; REVENCO, Ninel; HADJIU, Svetlana. . In: Revista de Ştiinţe ale Sănătăţii din Moldova. 2022, nr. 3 An.1(29), p. 391. ISSN 2345-1467. |
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Revista de Ştiinţe ale Sănătăţii din Moldova | |||||
Numărul 3 An.1(29) / 2022 / ISSN 2345-1467 | |||||
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Pag. 391-391 | |||||
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Background. In the Republic of Moldova, according to the National Register of Congenital Malformations (CM) in newborns in 2011-2020, the incidence of congenital cerebral malformations (CCM) was 1.92 per 1000 newborns, accounting for 11% of all birth defects. Objective of the study. To assess the genetic polymorphism of certain genes involved in the synthesis of folic acid (folate cycle genes MTHFR677; MTHFR1298; MTR2756; MTRR66) in mothers of children with folate-dependent MCC, to prevent these pathologies in offspring. Material and methods. The target group was identified - 150 children up to 1 year of age with a confirmed MCC diagnosis. A number of 65 mothers of children with MCC were investigated by the molecular-genetic PCR method to detect 4 polymorphisms of the folate cycle gene. The statistical processing of the data obtained in the study was performed by the Quanto program. Results. By the method of clinical-genetic examination, later by the interpretation of the molecular-genetic results, 21 cases of folate-dependent MCC with heterozygous status were diagnosed, and in 44 cases - with homozygous status. It was found that the most common folate-dependent MCC diagnosed was hydrocephalus - 41 cases (43.4%), followed by anencephaly - 3 cases (4.7%), with the prevalence of mothers with homozygous status. Among the non-folate dependent MCCs, the most common were: isolated spina bifida - 6 cases (9.4%), microcephaly - 7 (10.9%), agenesis of the corpus callosum isolated - 8 cases (12.2%), mothers with heterozygous status prevailed. Conclusions. Insufficiency of folic acid in association with genetic causes leads to the appearance of folate-dependent MCC in children. In this regard, it is essential to identify predisposing factors at increased risk for the development of folate-dependent MCC. |
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Cuvinte-cheie congenital cerebral malformations, Genes, children, malformații congenitale cerebrale, gene, copii |
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