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Hallmarks of clinical interpretation of single-gene CNVs

https://doi.org/10.25557/2073-7998.2025.06.62-63

Abstract

The detection of copy number variations (CNVs) of single genes using molecular genetic methods has created a need to develop an algorithm for their clinical interpretation. This report presents the main stages, features and complexities of interpreting the pathogenic significance of single-gene CNVs.

About the Authors

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

10, Nab. Ushaiki, Tomsk, 634050



I. N. Lebedev
Research Institute of Medical Genetics, Tomsk National Research Medical Center, Russian Academy of Sciences
Russian Federation

10, Nab. Ushaiki, Tomsk, 634050



References

1. Brandt T., Sack L.M., Arjona D. et al. Adapting ACMG/AMP sequence variant classification guidelines for single-gene copy number variants. Genet Med. 2020;22(2):336-344.

2. Lebedev I.N., Shilova N.V., Iourov I.Yu., et al. Rekomendatsii Rossiyskogo obshchestva meditsinskikh genetikov po khromosomnomu mikromatrichnomu analizu [Guidelines of the Russian Society of Medical Geneticists for Chromosomal Microarray Analysis]. Meditsinskaya genetika [Medical genetics] 2023; 22(10): 3-47. (In Russ.)

3. Database of Genomic Variants (DGV). URL: http://dgv.tcag.ca/dgv/app/home.

4. Database of genomic variation and phenotype in humans using Ensembl resources (DECIPHER). URL: https://www. deciphergenomics.org/.

5. CNV-ClinViewer. URL: https://cnv-clinviewer.broadinstitute.org/.

6. AutoCNV. URL: https://phoenix.bgi.com/autocnv/.

7. ClinGen CNV. URL: https://cnvcalc.clinicalgenome.org/redmine/projects/cnvcalc/cnv_calculator/selector.

8. Tolmacheva E.N., Kashevarova A.A., Fonova E.A., et al. Prevalence of CNVs on the X chromosome in patients with neurodevelopmental disorders. Mol Cytogenet. 2025;18(1):3.


Review

For citations:


Kashevarova A.A., Lebedev I.N. Hallmarks of clinical interpretation of single-gene CNVs. Medical Genetics. 2025;24(6):62-63. (In Russ.) https://doi.org/10.25557/2073-7998.2025.06.62-63

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ISSN 2073-7998 (Print)