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Determination of the carrier frequency of mutations in the CFTR, PAH, GALT and GJB2 genes among 2168 individuals without clinical signs of hereditary diseases

Определение частоты носительства мутаций в генах CFTR, PAH, GALT и GJB2 среди 2168 индивидов без клинических признаков наследственных заболеваний

Determination of the carrier frequency of mutations in the CFTR, PAH, GALT and GJB2 genes among 2168 individuals without clinical signs of hereditary diseases

Abstract

Цель: оценка частоты гетерозиготного носительства мутаций в генах CFTR, PAH, GALT и GJB2 среди здоровых индивидов. Материалы и методы. В исследовании принимали участие 1000 доноров крови, проживающих в Москве и 1168 сотрудников ФГБУ «НМИЦ АГП им. В.И. Кулакова», проживающих в Москве и Московской области. У всех участников исследования отсутствовали клинические проявления наследственных заболеваний. Молекулярно-генетическое исследование образцов проводили путём анализа наиболее частых мутаций в генах CFTR, PAH, GALT и GJB2 с применением технологии real-time PCR Результаты. При генотипировании были выявлены 46 носителей мутаций в гене CFTR, 63 носителя мутаций в гене PAH, 12 носителей мутаций в гене GALT и 74 носителя мутации в гене GJB2. Кроме того, в 3 случаях было установлено сочетанное носительство мутаций: CFTR: F508del + GALT:Q188R; CFTR:dele2,3 (21kb) + GJB2:35delG; GJB2:35delG + GALT:Q188R. Выводы. Полученные данные свидетельствуют о высокой частоте носительства мутаций в исследуемых генах в обследованной выборке. Таким образом, имеются предпосылки для диагностики носительства мутаций, приводящих к наиболее частым аутосомно-рецессивным заболеваниям в популяции. Подобные исследования могут стать эффективным инструментом для профилактики наследственной патологии в семьях носителей мутаций. The study aim was to assess the frequency of heterozygous carriage of mutations in the CFTR, PAH, GALT, and GJB2 genes among healthy individuals. Materials and methods. The study involved 1000 blood donors living in Moscow and 1168 employees of the FSBI Research center for obstetrics gynecology and perinatology MOH Russia, living in Moscow and the Moscow region. All participants in the study did not have clinical manifestations of hereditary diseases. Molecular genetic studies of the samples were carried out by analyzing the most frequent mutations in the CFTR, PAH, GALT and GJB2 genes, using real-time PCR technology Results. 46 carriers of mutations in the CFTR gene, 63 carriers of mutations in the PAH gene, 12 carriers of mutations in the GALT ge ne and 74 carriers of mutations in the GJB2 gene were identified. In addition, in 3 cases, a combined carriage of mutations was found: CFTR: F508del + GALT: Q188R; CFTR: dele2.3 (21kb) + GJB2: 35delG; GJB2: 35delG + GALT: Q188R. Conclusion. The data obtained indicate a fairly high level of carriage of the studied diseases. Thus, there are prerequisites and opportunities for diagnosing the carriage of the most common autosomal recessive diseases in the population. Such studies can be an effective tool for the prevention of hereditary pathologies and reduce the incidence of diseases.

Keywords

галактоземия, муковисцидоз, нейросенсорная тугоухость, фенилкетонурия, носительство мутаций в генах наследственных заболеваний

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
hybrid