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Supplementary Material for: De novo Structure Variations of the Y Chromosome in a 47,XXY Female with Ovarian Failure: A Case Report

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posted on 10.09.2014, 00:00 by Lin B., Tan F., Xu H., Wang P., Tang Q., Zhu Y., Kong X., Hu L.
We report on a patient with a 47,XXY karyotype who presents a normal female phenotype, which is an extremely rare observation worldwide. The patient is infertile. Type B ultrasound scans and other tests suggested that her ovaries had completely failed. Microsatellite DNA marker analysis revealed that the 2 X chromosomes were derived from her mother and that this abnormality was caused by non-disjunction of the maternal X chromosomes during meiosis II. Copy number variation analysis identified 2 large de novo deletions in her Y chromosome. Remarkably, one of the deleted regions includes the SRY gene locus, which might explain her female phenotype. However, the genetic mechanism of her ovarian failure remains unclear. This paper is the first report of a 47,XXY female with ovarian failure.