" /> 46,XX Testicular Differences of Sex Development - CISMeF





Preferred Label : 46,XX Testicular Differences of Sex Development;

NCIt related terms : 46,XX Testicular DSD; 46,XX Testicular Disorders of Sex Development;

Alternative definition : NICHD: Presence of testes in an individual with a 46,XX karyotype, typically associated with translocation of the SRY gene, encoding the transcription factor sex-determining region Y protein, from the paternal Y chromosome to the paternal X chromosome during gametogenesis (SRY-positive). Approximately 15-20% of individuals with 46,XX testicular DSD are SRY-negative. These individuals may have other genetic variations affecting testis determination, such as duplication of the SOX9 gene, which encodes the transcription factor SOX-9.;

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04/05/2025


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