Interchromosomal Insertional Translocation at Xq26.3 AltersSOX3Expression in an Individual With XX Male Sex Reversal
Author(s) -
Bryan P. Haines,
James Hughes,
Mark Corbett,
Marie Shaw,
Josie Innes,
Leena Patel,
Jozef Gécz,
Jill ClaytonSmith,
Paul Q. Thomas
Publication year - 2015
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2014-4383
Subject(s) - testis determining factor , sex reversal , biology , chromosomal translocation , y chromosome , gonadal ridge , genetics , disorders of sex development , x chromosome , x inactivation , xist , pseudoautosomal region , gene , embryogenesis
46,XX male sex reversal occurs in approximately 1: 20 000 live births and is most commonly caused by interchromosomal translocations of the Y-linked sex-determining gene, SRY. Rearrangements of the closely related SOX3 gene on the X chromosome are also associated with 46,XX male sex reversal. It has been hypothesized that sex reversal in the latter is caused by ectopic expression of SOX3 in the developing urogenital ridge where it triggers male development by acting as an analog of SRY. However, altered regulation of SOX3 in individuals with XX male sex reversal has not been demonstrated.
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