Abstract
DAX-1 stands for Dosage sensitive sex-reversal, Adrenal hypoplasia congenital (AHC), on the X chromosome. DAX-1 mutations usually cause primary adrenal insufficiency or congenital adrenal hypoplasia in early childhood and hypogonadotropic hypogonadism (MIM # 300200). DAX-1 protein is necessary to maintain normal spermatogenesis. In humans, male fertility has been studied in few patients carrying DAX-1 mutations. Cases of azoospermia have been reported, as well as unsuccessful gonadotropin treatments. The clinician should be informed that TESE–ICSI technique carries a potential hope to father non-affected children, as shown in this review.
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