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Results of GALT gene common mutations testing at the Tomsk Research Institute of Medical Genetics

https://doi.org/10.25557/2073-7998.2025.09.119-121

Abstract

The analysis of frequent pathogenic variants of the GALT gene was carried out over 4.5 years in children with galactosemia, suspected galactosemia, including newborns with elevated or borderline level of total galactose. One prenatal diagnosis case was performed. A total of 36 (33 unrelated) children and 18 parents were examined. In one galactosemia I case, a single homozygous genotype for p.Gln188Arg was identified. Other genotypecases with two identified variants were combinations with the Duarte D2 variant. In 30.3% of cases, one allele remained undetected, in 15.2% – both. The allele frequency was: p.Gln188Arg – 33,9%, p.Lys285Asn – 5,4% and Duarte D2 variant – 41,1%.

About the Authors

E. V. Soloveva
Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences
Russian Federation

Elena V. Soloveva

10, Naberejnaya Ushaiki, Tomsk, 634050



M. M. Skleimova
Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences
Russian Federation

10, Naberejnaya Ushaiki, Tomsk, 634050



A F. Garaeva
Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences
Russian Federation

10, Naberejnaya Ushaiki, Tomsk, 634050



L. I. Minaycheva
Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences
Russian Federation

10, Naberejnaya Ushaiki, Tomsk, 634050



O. A. Salukova
Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences
Russian Federation

10, Naberejnaya Ushaiki, Tomsk, 634050



S. L. Vovk
Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences
Russian Federation

10, Naberejnaya Ushaiki, Tomsk, 634050



L. I. Didenko
Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences
Russian Federation

10, Naberejnaya Ushaiki, Tomsk, 634050



A. A. Nikitina
Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences
Russian Federation

10, Naberejnaya Ushaiki, Tomsk, 634050



G. N. Seitova
Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences
Russian Federation

10, Naberejnaya Ushaiki, Tomsk, 634050



References

1. Voskoboeva E.Yu., Baydakova G.V., Denisenkov A.I. et al. Galaktozemiya v Rossii: molekulyarno-geneticheskie osobennosti, neonatal’nyj skrining, podtverzhdayushchaya diagnostika. [Galactosemia in Russia: molecular characteristics, neonatal screening, verifying diagnostics.] Medicinskaya genetika [Medical genetics] 2009;6:25-33. (In Russ.)

2. Narusheniya obmena galaktozy (Galaktozemiya). Klinicheskie rekomendacii. [Galactose Metabolism Disorders (Galactosemia). Clinical Guidelines]. 2016-2024. (In Russ.)

3. Berry G.T. Classic Galactosemia and Clinical Variant Galactosemia. 2000 [Updated 2021]. GeneReviews. https://www.ncbi.nlm.nih.gov/books/

4. Waisbren S.E., Tran C., Demirbas D. et al. Transient developmental delays in infants with Duarte-2 variant galactosemia. Mol Genet Metab. 2021. 134(1-2):132-138. doi: 10.1016/j.ymgme.2021.07.009.


Review

For citations:


Soloveva E.V., Skleimova M.M., Garaeva A.F., Minaycheva L.I., Salukova O.A., Vovk S.L., Didenko L.I., Nikitina A.A., Seitova G.N. Results of GALT gene common mutations testing at the Tomsk Research Institute of Medical Genetics. Medical Genetics. 2025;24(9):119-121. (In Russ.) https://doi.org/10.25557/2073-7998.2025.09.119-121

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ISSN 2073-7998 (Print)