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Clinical Population Genetics of Hereditary Diseases among Children of the Karachay-Cherkess Republic

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Abstract

The results of genetic and epidemiological study of monogenic hereditary diseases (HD) among children of the Karachay-Cherkess Republics are presented. The surveyed population comprised 410 368 individuals (Cherkessk and ten rural areas), including 90 739 children (22.11%). The examination was performed following the original protocol for genetic-epidemiological studies (developed by the Research Centre for Medical Genetics) making it possible to register not less than 3500 HD and syndromes. One hundred eighty-three nosological forms of HD (922 patients from 764 families) were registered in the child population, including 100 patients with AD (459 patients from 366 families), 60 patients with AR (372 patients from 326 families), and 23 patients with X-linked inheritance (91 patients from 72 families). The structure of diversity is determined, and frequent HDs are described in accordance with the main classification by organ and systemic types of disease: neurological, ophthalmic, genodermatoses, skeletal, hereditary syndromes, and other pathology. There were 55 frequent HDs (30.05%)—the number of patients in this group was 739 (80.15% of sick children). The load of AD, AR, and X-linked pathology for urban and rural child population was calculated. Differences in HD load were identified. On the basis of correlations between the load and FST, the causes of the observed differentiation of subpopulations were proposed.

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Funding

This work was supported by the Russian Foundation for Basic Research (project no. 18-015-00090) and State task of the Ministry of Education and Science of the Russian Federation.

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Correspondence to R. A. Zinchenko.

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All procedures carried out in a study with the participation of people comply with the ethical standards of the institutional and/or national research ethics committee and the 1964 Helsinki Declaration and its subsequent changes or comparable standards of ethics. Informed voluntary consent was obtained from each of the participants in the study.

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The authors declare that they have no conflict of interest.

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Translated by A. Kashevarova

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Zinchenko, R.A., Kadyshev, V.V., Galkina, V.A. et al. Clinical Population Genetics of Hereditary Diseases among Children of the Karachay-Cherkess Republic. Russ J Genet 55, 1033–1040 (2019). https://doi.org/10.1134/S1022795419080180

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