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    Disorders of sex development (DSDs) are congenital conditions in which phenotype does not correspond to chromosomal and gonadal sex. To date, the etiology of DSD is established only in half of the cases. With the development of modern methods of molecular genetic diagnostics in the last decade, a number of new regulators of gonad differentiation have been discovered, whose expression disorders can lead to DSD. Among these factors, Mitogen-activated triple protein kinase 1 (MAP3K1). A distinctive feature of studying the detected variants in the MAP3K1 gene that they lead to activation of MAP3K1. It does not allow using generally accepted pathogenicity assessment algorithms. However, the frequency of detection of changes in MAP3K1 is up to 18% of all cases of DSD, according to literature, which emphasizes the importance of studying each identified case, establishing the relationship of the disease with the identified genetic disorders. In this article, we present a clinical, hormonal, and molecular genetic description of 7 cases of DSD associated with variants in MAP3K1, an analysis of the significance of our own data, and a short analysis of the current scientific literature on this issue.


    N Y Kalinchenko, A N Tiulpakov. Gonadal dysgenesis 46,XY DSD associated with variants in the MAP3K1 gene]. Problemy endokrinologii. 2020 Dec 12;66(6):59-64

    PMID: 33481368

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